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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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254 lines
7.5 KiB
C
254 lines
7.5 KiB
C
/*
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* HvCallEvent.h
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* Copyright (C) 2001 Mike Corrigan IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* This file contains the "hypervisor call" interface which is used to
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* drive the hypervisor from the OS.
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*/
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#ifndef _HVCALLEVENT_H
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#define _HVCALLEVENT_H
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#include <asm/iseries/hv_call_sc.h>
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#include <asm/iseries/hv_types.h>
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#include <asm/abs_addr.h>
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struct HvLpEvent;
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typedef u8 HvLpEvent_Type;
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typedef u8 HvLpEvent_AckInd;
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typedef u8 HvLpEvent_AckType;
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struct HvCallEvent_PackedParms {
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u8 xAckType:1;
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u8 xAckInd:1;
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u8 xRsvd:1;
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u8 xTargetLp:5;
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u8 xType;
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u16 xSubtype;
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HvLpInstanceId xSourceInstId;
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HvLpInstanceId xTargetInstId;
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};
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typedef u8 HvLpDma_Direction;
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typedef u8 HvLpDma_AddressType;
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struct HvCallEvent_PackedDmaParms {
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u8 xDirection:1;
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u8 xLocalAddrType:1;
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u8 xRemoteAddrType:1;
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u8 xRsvd1:5;
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HvLpIndex xRemoteLp;
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u8 xType;
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u8 xRsvd2;
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HvLpInstanceId xLocalInstId;
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HvLpInstanceId xRemoteInstId;
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};
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typedef u64 HvLpEvent_Rc;
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typedef u64 HvLpDma_Rc;
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#define HvCallEventAckLpEvent HvCallEvent + 0
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#define HvCallEventCancelLpEvent HvCallEvent + 1
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#define HvCallEventCloseLpEventPath HvCallEvent + 2
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#define HvCallEventDmaBufList HvCallEvent + 3
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#define HvCallEventDmaSingle HvCallEvent + 4
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#define HvCallEventDmaToSp HvCallEvent + 5
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#define HvCallEventGetOverflowLpEvents HvCallEvent + 6
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#define HvCallEventGetSourceLpInstanceId HvCallEvent + 7
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#define HvCallEventGetTargetLpInstanceId HvCallEvent + 8
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#define HvCallEventOpenLpEventPath HvCallEvent + 9
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#define HvCallEventSetLpEventStack HvCallEvent + 10
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#define HvCallEventSignalLpEvent HvCallEvent + 11
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#define HvCallEventSignalLpEventParms HvCallEvent + 12
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#define HvCallEventSetInterLpQueueIndex HvCallEvent + 13
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#define HvCallEventSetLpEventQueueInterruptProc HvCallEvent + 14
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#define HvCallEventRouter15 HvCallEvent + 15
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static inline void HvCallEvent_getOverflowLpEvents(u8 queueIndex)
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{
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HvCall1(HvCallEventGetOverflowLpEvents, queueIndex);
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}
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static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex)
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{
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HvCall1(HvCallEventSetInterLpQueueIndex, queueIndex);
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}
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static inline void HvCallEvent_setLpEventStack(u8 queueIndex,
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char *eventStackAddr, u32 eventStackSize)
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{
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u64 abs_addr;
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abs_addr = virt_to_abs(eventStackAddr);
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HvCall3(HvCallEventSetLpEventStack, queueIndex, abs_addr,
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eventStackSize);
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}
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static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
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u16 lpLogicalProcIndex)
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{
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HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex,
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lpLogicalProcIndex);
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}
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static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event)
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{
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u64 abs_addr;
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#ifdef DEBUG_SENDEVENT
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printk("HvCallEvent_signalLpEvent: *event = %016lx\n ",
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(unsigned long)event);
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#endif
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abs_addr = virt_to_abs(event);
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return HvCall1(HvCallEventSignalLpEvent, abs_addr);
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}
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static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp,
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HvLpEvent_Type type, u16 subtype, HvLpEvent_AckInd ackInd,
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HvLpEvent_AckType ackType, HvLpInstanceId sourceInstanceId,
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HvLpInstanceId targetInstanceId, u64 correlationToken,
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u64 eventData1, u64 eventData2, u64 eventData3,
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u64 eventData4, u64 eventData5)
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{
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/* Pack the misc bits into a single Dword to pass to PLIC */
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union {
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struct HvCallEvent_PackedParms parms;
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u64 dword;
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} packed;
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packed.parms.xAckType = ackType;
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packed.parms.xAckInd = ackInd;
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packed.parms.xRsvd = 0;
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packed.parms.xTargetLp = targetLp;
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packed.parms.xType = type;
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packed.parms.xSubtype = subtype;
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packed.parms.xSourceInstId = sourceInstanceId;
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packed.parms.xTargetInstId = targetInstanceId;
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return HvCall7(HvCallEventSignalLpEventParms, packed.dword,
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correlationToken, eventData1, eventData2,
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eventData3, eventData4, eventData5);
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}
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static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
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{
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u64 abs_addr;
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abs_addr = virt_to_abs(event);
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return HvCall1(HvCallEventAckLpEvent, abs_addr);
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}
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static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
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{
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u64 abs_addr;
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abs_addr = virt_to_abs(event);
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return HvCall1(HvCallEventCancelLpEvent, abs_addr);
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}
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static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId(
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HvLpIndex targetLp, HvLpEvent_Type type)
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{
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return HvCall2(HvCallEventGetSourceLpInstanceId, targetLp, type);
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}
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static inline HvLpInstanceId HvCallEvent_getTargetLpInstanceId(
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HvLpIndex targetLp, HvLpEvent_Type type)
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{
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return HvCall2(HvCallEventGetTargetLpInstanceId, targetLp, type);
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}
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static inline void HvCallEvent_openLpEventPath(HvLpIndex targetLp,
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HvLpEvent_Type type)
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{
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HvCall2(HvCallEventOpenLpEventPath, targetLp, type);
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}
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static inline void HvCallEvent_closeLpEventPath(HvLpIndex targetLp,
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HvLpEvent_Type type)
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{
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HvCall2(HvCallEventCloseLpEventPath, targetLp, type);
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}
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static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type,
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HvLpIndex remoteLp, HvLpDma_Direction direction,
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HvLpInstanceId localInstanceId,
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HvLpInstanceId remoteInstanceId,
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HvLpDma_AddressType localAddressType,
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HvLpDma_AddressType remoteAddressType,
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/* Do these need to be converted to absolute addresses? */
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u64 localBufList, u64 remoteBufList, u32 transferLength)
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{
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/* Pack the misc bits into a single Dword to pass to PLIC */
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union {
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struct HvCallEvent_PackedDmaParms parms;
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u64 dword;
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} packed;
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packed.parms.xDirection = direction;
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packed.parms.xLocalAddrType = localAddressType;
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packed.parms.xRemoteAddrType = remoteAddressType;
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packed.parms.xRsvd1 = 0;
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packed.parms.xRemoteLp = remoteLp;
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packed.parms.xType = type;
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packed.parms.xRsvd2 = 0;
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packed.parms.xLocalInstId = localInstanceId;
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packed.parms.xRemoteInstId = remoteInstanceId;
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return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList,
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remoteBufList, transferLength);
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}
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static inline HvLpDma_Rc HvCallEvent_dmaSingle(HvLpEvent_Type type,
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HvLpIndex remoteLp, HvLpDma_Direction direction,
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HvLpInstanceId localInstanceId,
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HvLpInstanceId remoteInstanceId,
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HvLpDma_AddressType localAddressType,
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HvLpDma_AddressType remoteAddressType,
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u64 localAddrOrTce, u64 remoteAddrOrTce, u32 transferLength)
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{
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/* Pack the misc bits into a single Dword to pass to PLIC */
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union {
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struct HvCallEvent_PackedDmaParms parms;
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u64 dword;
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} packed;
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packed.parms.xDirection = direction;
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packed.parms.xLocalAddrType = localAddressType;
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packed.parms.xRemoteAddrType = remoteAddressType;
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packed.parms.xRsvd1 = 0;
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packed.parms.xRemoteLp = remoteLp;
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packed.parms.xType = type;
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packed.parms.xRsvd2 = 0;
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packed.parms.xLocalInstId = localInstanceId;
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packed.parms.xRemoteInstId = remoteInstanceId;
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return (HvLpDma_Rc)HvCall4(HvCallEventDmaSingle, packed.dword,
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localAddrOrTce, remoteAddrOrTce, transferLength);
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}
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static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote,
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u32 length, HvLpDma_Direction dir)
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{
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u64 abs_addr;
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abs_addr = virt_to_abs(local);
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return HvCall4(HvCallEventDmaToSp, abs_addr, remote, length, dir);
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}
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#endif /* _HVCALLEVENT_H */
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