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/*
* HvCallEvent.h
* Copyright (C) 2001 Mike Corrigan IBM Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* This file contains the "hypervisor call" interface which is used to
* drive the hypervisor from the OS.
*/
#ifndef _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
#define _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
#include <asm/iseries/hv_call_sc.h>
#include <asm/iseries/hv_types.h>
#include <asm/abs_addr.h>
struct HvLpEvent;
typedef u8 HvLpEvent_Type;
typedef u8 HvLpEvent_AckInd;
typedef u8 HvLpEvent_AckType;
struct HvCallEvent_PackedParms {
u8 xAckType:1;
u8 xAckInd:1;
u8 xRsvd:1;
u8 xTargetLp:5;
u8 xType;
u16 xSubtype;
HvLpInstanceId xSourceInstId;
HvLpInstanceId xTargetInstId;
};
typedef u8 HvLpDma_Direction;
typedef u8 HvLpDma_AddressType;
struct HvCallEvent_PackedDmaParms {
u8 xDirection:1;
u8 xLocalAddrType:1;
u8 xRemoteAddrType:1;
u8 xRsvd1:5;
HvLpIndex xRemoteLp;
u8 xType;
u8 xRsvd2;
HvLpInstanceId xLocalInstId;
HvLpInstanceId xRemoteInstId;
};
typedef u64 HvLpEvent_Rc;
typedef u64 HvLpDma_Rc;
#define HvCallEventAckLpEvent HvCallEvent + 0
#define HvCallEventCancelLpEvent HvCallEvent + 1
#define HvCallEventCloseLpEventPath HvCallEvent + 2
#define HvCallEventDmaBufList HvCallEvent + 3
#define HvCallEventDmaSingle HvCallEvent + 4
#define HvCallEventDmaToSp HvCallEvent + 5
#define HvCallEventGetOverflowLpEvents HvCallEvent + 6
#define HvCallEventGetSourceLpInstanceId HvCallEvent + 7
#define HvCallEventGetTargetLpInstanceId HvCallEvent + 8
#define HvCallEventOpenLpEventPath HvCallEvent + 9
#define HvCallEventSetLpEventStack HvCallEvent + 10
#define HvCallEventSignalLpEvent HvCallEvent + 11
#define HvCallEventSignalLpEventParms HvCallEvent + 12
#define HvCallEventSetInterLpQueueIndex HvCallEvent + 13
#define HvCallEventSetLpEventQueueInterruptProc HvCallEvent + 14
#define HvCallEventRouter15 HvCallEvent + 15
static inline void HvCallEvent_getOverflowLpEvents(u8 queueIndex)
{
HvCall1(HvCallEventGetOverflowLpEvents, queueIndex);
}
static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex)
{
HvCall1(HvCallEventSetInterLpQueueIndex, queueIndex);
}
static inline void HvCallEvent_setLpEventStack(u8 queueIndex,
char *eventStackAddr, u32 eventStackSize)
{
u64 abs_addr;
abs_addr = virt_to_abs(eventStackAddr);
HvCall3(HvCallEventSetLpEventStack, queueIndex, abs_addr,
eventStackSize);
}
static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
u16 lpLogicalProcIndex)
{
HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex,
lpLogicalProcIndex);
}
static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event)
{
u64 abs_addr;
#ifdef DEBUG_SENDEVENT
printk("HvCallEvent_signalLpEvent: *event = %016lx\n ",
(unsigned long)event);
#endif
abs_addr = virt_to_abs(event);
return HvCall1(HvCallEventSignalLpEvent, abs_addr);
}
static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
HvLpEvent_Type type, u16 subtype, HvLpEvent_AckInd ackInd,
HvLpEvent_AckType ackType, HvLpInstanceId sourceInstanceId,
HvLpInstanceId targetInstanceId, u64 correlationToken,
u64 eventData1, u64 eventData2, u64 eventData3,
u64 eventData4, u64 eventData5)
{
/* Pack the misc bits into a single Dword to pass to PLIC */
union {
struct HvCallEvent_PackedParms parms;
u64 dword;
} packed;
packed.parms.xAckType = ackType;
packed.parms.xAckInd = ackInd;
packed.parms.xRsvd = 0;
packed.parms.xTargetLp = targetLp;
packed.parms.xType = type;
packed.parms.xSubtype = subtype;
packed.parms.xSourceInstId = sourceInstanceId;
packed.parms.xTargetInstId = targetInstanceId;
return HvCall7(HvCallEventSignalLpEventParms, packed.dword,
correlationToken, eventData1, eventData2,
eventData3, eventData4, eventData5);
}
static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
{
u64 abs_addr;
abs_addr = virt_to_abs(event);
return HvCall1(HvCallEventAckLpEvent, abs_addr);
}
static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
{
u64 abs_addr;
abs_addr = virt_to_abs(event);
return HvCall1(HvCallEventCancelLpEvent, abs_addr);
}
static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId(
HvLpIndex targetLp, HvLpEvent_Type type)
{
return HvCall2(HvCallEventGetSourceLpInstanceId, targetLp, type);
}
static inline HvLpInstanceId HvCallEvent_getTargetLpInstanceId(
HvLpIndex targetLp, HvLpEvent_Type type)
{
return HvCall2(HvCallEventGetTargetLpInstanceId, targetLp, type);
}
static inline void HvCallEvent_openLpEventPath(HvLpIndex targetLp,
HvLpEvent_Type type)
{
HvCall2(HvCallEventOpenLpEventPath, targetLp, type);
}
static inline void HvCallEvent_closeLpEventPath(HvLpIndex targetLp,
HvLpEvent_Type type)
{
HvCall2(HvCallEventCloseLpEventPath, targetLp, type);
}
static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type,
HvLpIndex remoteLp, HvLpDma_Direction direction,
HvLpInstanceId localInstanceId,
HvLpInstanceId remoteInstanceId,
HvLpDma_AddressType localAddressType,
HvLpDma_AddressType remoteAddressType,
/* Do these need to be converted to absolute addresses? */
u64 localBufList, u64 remoteBufList, u32 transferLength)
{
/* Pack the misc bits into a single Dword to pass to PLIC */
union {
struct HvCallEvent_PackedDmaParms parms;
u64 dword;
} packed;
packed.parms.xDirection = direction;
packed.parms.xLocalAddrType = localAddressType;
packed.parms.xRemoteAddrType = remoteAddressType;
packed.parms.xRsvd1 = 0;
packed.parms.xRemoteLp = remoteLp;
packed.parms.xType = type;
packed.parms.xRsvd2 = 0;
packed.parms.xLocalInstId = localInstanceId;
packed.parms.xRemoteInstId = remoteInstanceId;
return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList,
remoteBufList, transferLength);
}
static inline HvLpDma_Rc HvCallEvent_dmaSingle(HvLpEvent_Type type,
HvLpIndex remoteLp, HvLpDma_Direction direction,
HvLpInstanceId localInstanceId,
HvLpInstanceId remoteInstanceId,
HvLpDma_AddressType localAddressType,
HvLpDma_AddressType remoteAddressType,
u64 localAddrOrTce, u64 remoteAddrOrTce, u32 transferLength)
{
/* Pack the misc bits into a single Dword to pass to PLIC */
union {
struct HvCallEvent_PackedDmaParms parms;
u64 dword;
} packed;
packed.parms.xDirection = direction;
packed.parms.xLocalAddrType = localAddressType;
packed.parms.xRemoteAddrType = remoteAddressType;
packed.parms.xRsvd1 = 0;
packed.parms.xRemoteLp = remoteLp;
packed.parms.xType = type;
packed.parms.xRsvd2 = 0;
packed.parms.xLocalInstId = localInstanceId;
packed.parms.xRemoteInstId = remoteInstanceId;
return (HvLpDma_Rc)HvCall4(HvCallEventDmaSingle, packed.dword,
localAddrOrTce, remoteAddrOrTce, transferLength);
}
static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote,
u32 length, HvLpDma_Direction dir)
{
u64 abs_addr;
abs_addr = virt_to_abs(local);
return HvCall4(HvCallEventDmaToSp, abs_addr, remote, length, dir);
}
#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */
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