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hvcall.h

#ifndef _ASM_POWERPC_HVCALL_H
#define _ASM_POWERPC_HVCALL_H
#ifdef __KERNEL__

#define HVSC                  .long 0x44000022

#define H_SUCCESS 0
#define H_BUSY          1     /* Hardware busy -- retry later */
#define H_CLOSED  2     /* Resource closed */
#define H_NOT_AVAILABLE 3
#define H_CONSTRAINED   4     /* Resource request constrained to max allowed */
#define H_PARTIAL       5
#define H_IN_PROGRESS   14    /* Kind of like busy */
#define H_PAGE_REGISTERED 15
#define H_PARTIAL_STORE   16
#define H_PENDING 17    /* returned from H_POLL_PENDING */
#define H_CONTINUE      18    /* Returned from H_Join on success */
#define H_LONG_BUSY_START_RANGE           9900  /* Start of long busy range */
#define H_LONG_BUSY_ORDER_1_MSEC    9900  /* Long busy, hint that 1msec \
                                     is a good time to retry */
#define H_LONG_BUSY_ORDER_10_MSEC   9901  /* Long busy, hint that 10msec \
                                     is a good time to retry */
#define H_LONG_BUSY_ORDER_100_MSEC  9902  /* Long busy, hint that 100msec \
                                     is a good time to retry */
#define H_LONG_BUSY_ORDER_1_SEC           9903  /* Long busy, hint that 1sec \
                                     is a good time to retry */
#define H_LONG_BUSY_ORDER_10_SEC    9904  /* Long busy, hint that 10sec \
                                     is a good time to retry */
#define H_LONG_BUSY_ORDER_100_SEC   9905  /* Long busy, hint that 100sec \
                                     is a good time to retry */
#define H_LONG_BUSY_END_RANGE       9905  /* End of long busy range */
#define H_HARDWARE      -1    /* Hardware error */
#define H_FUNCTION      -2    /* Function not supported */
#define H_PRIVILEGE     -3    /* Caller not privileged */
#define H_PARAMETER     -4    /* Parameter invalid, out-of-range or conflicting */
#define H_BAD_MODE      -5    /* Illegal msr value */
#define H_PTEG_FULL     -6    /* PTEG is full */
#define H_NOT_FOUND     -7    /* PTE was not found" */
#define H_RESERVED_DABR -8    /* DABR address is reserved by the hypervisor on this processor" */
#define H_NO_MEM  -9
#define H_AUTHORITY     -10
#define H_PERMISSION    -11
#define H_DROPPED -12
#define H_SOURCE_PARM   -13
#define H_DEST_PARM     -14
#define H_REMOTE_PARM   -15
#define H_RESOURCE      -16
#define H_ADAPTER_PARM  -17
#define H_RH_PARM       -18
#define H_RCQ_PARM      -19
#define H_SCQ_PARM      -20
#define H_EQ_PARM       -21
#define H_RT_PARM       -22
#define H_ST_PARM       -23
#define H_SIGT_PARM     -24
#define H_TOKEN_PARM    -25
#define H_MLENGTH_PARM  -27
#define H_MEM_PARM      -28
#define H_MEM_ACCESS_PARM -29
#define H_ATTR_PARM     -30
#define H_PORT_PARM     -31
#define H_MCG_PARM      -32
#define H_VL_PARM       -33
#define H_TSIZE_PARM    -34
#define H_TRACE_PARM    -35

#define H_MASK_PARM     -37
#define H_MCG_FULL      -38
#define H_ALIAS_EXIST   -39
#define H_P_COUNTER     -40
#define H_TABLE_FULL    -41
#define H_ALT_TABLE     -42
#define H_MR_CONDITION  -43
#define H_NOT_ENOUGH_RESOURCES -44
#define H_R_STATE       -45
#define H_RESCINDEND    -46


/* Long Busy is a condition that can be returned by the firmware
 * when a call cannot be completed now, but the identical call
 * should be retried later.  This prevents calls blocking in the
 * firmware for long periods of time.  Annoyingly the firmware can return
 * a range of return codes, hinting at how long we should wait before
 * retrying.  If you don't care for the hint, the macro below is a good
 * way to check for the long_busy return codes
 */
#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
                       && (x <= H_LONG_BUSY_END_RANGE))

/* Flags */
#define H_LARGE_PAGE          (1UL<<(63-16))
#define H_EXACT               (1UL<<(63-24))    /* Use exact PTE or return H_PTEG_FULL */
#define H_R_XLATE       (1UL<<(63-25))    /* include a valid logical page num in the pte if the valid bit is set */
#define H_READ_4        (1UL<<(63-26))    /* Return 4 PTEs */
#define H_PAGE_STATE_CHANGE   (1UL<<(63-28))
#define H_PAGE_UNUSED         ((1UL<<(63-29)) | (1UL<<(63-30)))
#define H_PAGE_SET_UNUSED     (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
#define H_PAGE_SET_LOANED     (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
#define H_PAGE_SET_ACTIVE     H_PAGE_STATE_CHANGE
#define H_AVPN                (1UL<<(63-32))    /* An avpn is provided as a sanity test */
#define H_ANDCOND       (1UL<<(63-33))
#define H_ICACHE_INVALIDATE   (1UL<<(63-40))    /* icbi, etc.  (ignored for IO pages) */
#define H_ICACHE_SYNCHRONIZE  (1UL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
#define H_ZERO_PAGE           (1UL<<(63-48))    /* zero the page before mapping (ignored for IO pages) */
#define H_COPY_PAGE           (1UL<<(63-49))
#define H_N             (1UL<<(63-61))
#define H_PP1                 (1UL<<(63-62))
#define H_PP2                 (1UL<<(63-63))

/* VASI States */
#define H_VASI_INVALID          0
#define H_VASI_ENABLED          1
#define H_VASI_ABORTED          2
#define H_VASI_SUSPENDING       3
#define H_VASI_SUSPENDED        4
#define H_VASI_RESUMED          5
#define H_VASI_COMPLETED        6

/* DABRX flags */
#define H_DABRX_HYPERVISOR    (1UL<<(63-61))
#define H_DABRX_KERNEL        (1UL<<(63-62))
#define H_DABRX_USER          (1UL<<(63-63))

/* Each control block has to be on a 4K bondary */
#define H_CB_ALIGNMENT          4096

/* pSeries hypervisor opcodes */
#define H_REMOVE        0x04
#define H_ENTER               0x08
#define H_READ                0x0c
#define H_CLEAR_MOD           0x10
#define H_CLEAR_REF           0x14
#define H_PROTECT       0x18
#define H_GET_TCE       0x1c
#define H_PUT_TCE       0x20
#define H_SET_SPRG0           0x24
#define H_SET_DABR            0x28
#define H_PAGE_INIT           0x2c
#define H_SET_ASR       0x30
#define H_ASR_ON        0x34
#define H_ASR_OFF       0x38
#define H_LOGICAL_CI_LOAD     0x3c
#define H_LOGICAL_CI_STORE    0x40
#define H_LOGICAL_CACHE_LOAD  0x44
#define H_LOGICAL_CACHE_STORE 0x48
#define H_LOGICAL_ICBI        0x4c
#define H_LOGICAL_DCBF        0x50
#define H_GET_TERM_CHAR       0x54
#define H_PUT_TERM_CHAR       0x58
#define H_REAL_TO_LOGICAL     0x5c
#define H_HYPERVISOR_DATA     0x60
#define H_EOI                 0x64
#define H_CPPR                0x68
#define H_IPI                 0x6c
#define H_IPOLL               0x70
#define H_XIRR                0x74
#define H_PERFMON       0x7c
#define H_MIGRATE_DMA         0x78
#define H_REGISTER_VPA        0xDC
#define H_CEDE                0xE0
#define H_CONFER        0xE4
#define H_PROD                0xE8
#define H_GET_PPP       0xEC
#define H_SET_PPP       0xF0
#define H_PURR                0xF4
#define H_PIC                 0xF8
#define H_REG_CRQ       0xFC
#define H_FREE_CRQ            0x100
#define H_VIO_SIGNAL          0x104
#define H_SEND_CRQ            0x108
#define H_COPY_RDMA           0x110
#define H_REGISTER_LOGICAL_LAN      0x114
#define H_FREE_LOGICAL_LAN    0x118
#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
#define H_SEND_LOGICAL_LAN    0x120
#define H_BULK_REMOVE         0x124
#define H_MULTICAST_CTRL      0x130
#define H_SET_XDABR           0x134
#define H_STUFF_TCE           0x138
#define H_PUT_TCE_INDIRECT    0x13C
#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
#define H_VTERM_PARTNER_INFO  0x150
#define H_REGISTER_VTERM      0x154
#define H_FREE_VTERM          0x158
#define H_RESET_EVENTS          0x15C
#define H_ALLOC_RESOURCE        0x160
#define H_FREE_RESOURCE         0x164
#define H_MODIFY_QP             0x168
#define H_QUERY_QP              0x16C
#define H_REREGISTER_PMR        0x170
#define H_REGISTER_SMR          0x174
#define H_QUERY_MR              0x178
#define H_QUERY_MW              0x17C
#define H_QUERY_HCA             0x180
#define H_QUERY_PORT            0x184
#define H_MODIFY_PORT           0x188
#define H_DEFINE_AQP1           0x18C
#define H_GET_TRACE_BUFFER      0x190
#define H_DEFINE_AQP0           0x194
#define H_RESIZE_MR             0x198
#define H_ATTACH_MCQP           0x19C
#define H_DETACH_MCQP           0x1A0
#define H_CREATE_RPT            0x1A4
#define H_REMOVE_RPT            0x1A8
#define H_REGISTER_RPAGES       0x1AC
#define H_DISABLE_AND_GETC      0x1B0
#define H_ERROR_DATA            0x1B4
#define H_GET_HCA_INFO          0x1B8
#define H_GET_PERF_COUNT        0x1BC
#define H_MANAGE_TRACE          0x1C0
#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
#define H_QUERY_INT_STATE       0x1E4
#define H_POLL_PENDING        0x1D8
#define H_ILLAN_ATTRIBUTES    0x244
#define H_JOIN                0x298
#define H_VASI_STATE            0x2A4
#define H_ENABLE_CRQ          0x2B0
#define H_SET_MPP       0x2D0
#define H_GET_MPP       0x2D4
#define MAX_HCALL_OPCODE      H_GET_MPP

#ifndef __ASSEMBLY__

/**
 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 * @opcode: The hypervisor call to make.
 *
 * This call supports up to 7 arguments and only returns the status of
 * the hcall. Use this version where possible, its slightly faster than
 * the other plpar_hcalls.
 */
long plpar_hcall_norets(unsigned long opcode, ...);

/**
 * plpar_hcall: - Make a pseries hypervisor call
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 4 return arguments in.
 *
 * This call supports up to 6 arguments and 4 return arguments. Use
 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 *
 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 */
#define PLPAR_HCALL_BUFSIZE 4
long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);

/**
 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 4 return arguments in.
 *
 * This call supports up to 6 arguments and 4 return arguments. Use
 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 *
 * Used when phyp interface needs to be called in real mode. Similar to
 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 * calculate hypervisor call statistics.
 */
long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);

/**
 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 9 return arguments in.
 *
 * This call supports up to 9 arguments and 9 return arguments. Use
 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 */
#define PLPAR_HCALL9_BUFSIZE 9
long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);

/* For hcall instrumentation.  One structure per-hcall, per-CPU */
struct hcall_stats {
      unsigned long     num_calls;  /* number of calls (on this CPU) */
      unsigned long     tb_total;   /* total wall time (mftb) of calls. */
      unsigned long     purr_total; /* total cpu time (PURR) of calls. */
};
#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)

struct hvcall_mpp_data {
      unsigned long entitled_mem;
      unsigned long mapped_mem;
      unsigned short group_num;
      unsigned short pool_num;
      unsigned char mem_weight;
      unsigned char unallocated_mem_weight;
      unsigned long unallocated_entitlement;  /* value in bytes */
      unsigned long pool_size;
      signed long loan_request;
      unsigned long backing_mem;
};

int h_get_mpp(struct hvcall_mpp_data *);

#ifdef CONFIG_PPC_PSERIES
extern int CMO_PrPSP;
extern int CMO_SecPSP;
extern unsigned long CMO_PageSize;

static inline int cmo_get_primary_psp(void)
{
      return CMO_PrPSP;
}

static inline int cmo_get_secondary_psp(void)
{
      return CMO_SecPSP;
}

static inline unsigned long cmo_get_page_size(void)
{
      return CMO_PageSize;
}
#endif /* CONFIG_PPC_PSERIES */

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */

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