#ifndef _PPC64_HVCALL_H
#define _PPC64_HVCALL_H
#define HVSC .long 0x44000022
#define H_Success 0
#define H_Busy 1 /* Hardware busy -- retry later */
#define H_Constrained 4 /* Resource request constrained to max allowed */
#define H_LongBusyStartRange 9900 /* Start of long busy range */
#define H_LongBusyOrder1msec 9900 /* Long busy, hint that 1msec is a good time to retry */
#define H_LongBusyOrder10msec 9901 /* Long busy, hint that 10msec is a good time to retry */
#define H_LongBusyOrder100msec 9902 /* Long busy, hint that 100msec is a good time to retry */
#define H_LongBusyOrder1sec 9903 /* Long busy, hint that 1sec is a good time to retry */
#define H_LongBusyOrder10sec 9904 /* Long busy, hint that 10sec is a good time to retry */
#define H_LongBusyOrder100sec 9905 /* Long busy, hint that 100sec is a good time to retry */
#define H_LongBusyEndRange 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_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
/* 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_isLongBusy(x) ((x >= H_LongBusyStartRange) && (x <= H_LongBusyEndRange))
/* 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_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_STUFF_TCE 0x138
#define H_PUT_TCE_INDIRECT 0x13C
#define H_VTERM_PARTNER_INFO 0x150
#define H_REGISTER_VTERM 0x154
#define H_FREE_VTERM 0x158
#define H_POLL_PENDING 0x1D8
#ifndef __ASSEMBLY__
/* 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);
#endif /* __ASSEMBLY__ */
#endif /* _PPC64_HVCALL_H */
