forked from luck/tmp_suning_uos_patched
1670b2b271
It was only being used to carry around dma_iommu_ops and vio_iommu_table which we can use directly instead. This also means that vio_bus_device doesn't need to refer to them either. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
202 lines
6.4 KiB
C
202 lines
6.4 KiB
C
/*
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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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* 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 _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
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#define _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H
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#include <linux/types.h>
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#include <linux/dma-mapping.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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typedef u8 HvLpDma_Direction;
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typedef u8 HvLpDma_AddressType;
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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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HvCall3(HvCallEventSetLpEventStack, queueIndex,
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virt_to_abs(eventStackAddr), 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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return HvCall1(HvCallEventSignalLpEvent, virt_to_abs(event));
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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 {
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u8 ack_and_target;
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u8 type;
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u16 subtype;
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HvLpInstanceId src_inst;
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HvLpInstanceId target_inst;
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} parms;
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u64 dword;
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} packed;
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packed.parms.ack_and_target = (ackType << 7) | (ackInd << 6) | targetLp;
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packed.parms.type = type;
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packed.parms.subtype = subtype;
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packed.parms.src_inst = sourceInstanceId;
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packed.parms.target_inst = 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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extern void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag);
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extern void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle);
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extern dma_addr_t iseries_hv_map(void *vaddr, size_t size,
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enum dma_data_direction direction);
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extern void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
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enum dma_data_direction direction);
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static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
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{
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return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event));
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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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return HvCall1(HvCallEventCancelLpEvent, virt_to_abs(event));
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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 {
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u8 flags;
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HvLpIndex remote;
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u8 type;
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u8 reserved;
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HvLpInstanceId local_inst;
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HvLpInstanceId remote_inst;
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} parms;
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u64 dword;
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} packed;
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packed.parms.flags = (direction << 7) |
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(localAddressType << 6) | (remoteAddressType << 5);
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packed.parms.remote = remoteLp;
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packed.parms.type = type;
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packed.parms.reserved = 0;
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packed.parms.local_inst = localInstanceId;
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packed.parms.remote_inst = 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_dmaToSp(void *local, u32 remote,
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u32 length, HvLpDma_Direction dir)
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{
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return HvCall4(HvCallEventDmaToSp, virt_to_abs(local), remote,
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length, dir);
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}
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#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */
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