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#define H_Success       0

#define H_Busy          1       /* Hardware busy -- retry later */

#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_NoMem                 -9

#define H_Authority            -10

#define H_Permission           -11

#define H_Dropped              -12

#define H_SourceParm           -13

#define H_DestParm             -14

#define H_RemoteParm           -15

#define H_Resource             -16

/* 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_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))

/* 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_SET_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_POLL_PENDING          0x1D8

#define HVSC                    ".long 0x44000022\n"

#define H_ENTER_r3              "li     3, 0x08\n"

/* plpar_hcall() -- Generic call interface using above opcodes

 *

 * The actual call interface is a hypervisor call instruction with

 * the opcode in R3 and input args in R4-R7.

 * Status is returned in R3 with variable output values in R4-R11.

 * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now

 * and return only two out args which MUST ALWAYS BE PROVIDED.

 */

long plpar_hcall(unsigned long opcode,

                 unsigned long arg1,

                 unsigned long arg2,

                 unsigned long arg3,

                 unsigned long arg4,

                 unsigned long *out1,

                 unsigned long *out2,

                 unsigned long *out3);

/* Same as plpar_hcall but for those opcodes that return no values

 * other than status.  Slightly more efficient.

 */

long plpar_hcall_norets(unsigned long opcode, ...);

/*

 * Special hcall interface for ibmveth support.

 * Takes 8 input parms. Returns a rc and stores the

 * R4 return value in *out1.

 */

long plpar_hcall_8arg_2ret(unsigned long opcode,

                        unsigned long arg1,

                        unsigned long arg2,

                        unsigned long arg3,

                        unsigned long arg4,

                        unsigned long arg5,

                        unsigned long arg6,

                        unsigned long arg7,

                        unsigned long arg8,

                        unsigned long *out1);

/* plpar_hcall_4out()

 *

 * same as plpar_hcall except with 4 output arguments.

 *

 */

long plpar_hcall_4out(unsigned long opcode,

                      unsigned long arg1,

                      unsigned long arg2,

                      unsigned long arg3,

                      unsigned long arg4,

                      unsigned long *out1,

                      unsigned long *out2,

                      unsigned long *out3,

                      unsigned long *out4);