202 lines
6.4 KiB
C
202 lines
6.4 KiB
C
/*
|
|
* 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 <linux/types.h>
|
|
#include <linux/dma-mapping.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;
|
|
|
|
typedef u8 HvLpDma_Direction;
|
|
typedef u8 HvLpDma_AddressType;
|
|
|
|
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)
|
|
{
|
|
HvCall3(HvCallEventSetLpEventStack, queueIndex,
|
|
virt_to_abs(eventStackAddr), eventStackSize);
|
|
}
|
|
|
|
static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex,
|
|
u16 lpLogicalProcIndex)
|
|
{
|
|
HvCall2(HvCallEventSetLpEventQueueInterruptProc, queueIndex,
|
|
lpLogicalProcIndex);
|
|
}
|
|
|
|
static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event)
|
|
{
|
|
return HvCall1(HvCallEventSignalLpEvent, virt_to_abs(event));
|
|
}
|
|
|
|
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 {
|
|
u8 ack_and_target;
|
|
u8 type;
|
|
u16 subtype;
|
|
HvLpInstanceId src_inst;
|
|
HvLpInstanceId target_inst;
|
|
} parms;
|
|
u64 dword;
|
|
} packed;
|
|
|
|
packed.parms.ack_and_target = (ackType << 7) | (ackInd << 6) | targetLp;
|
|
packed.parms.type = type;
|
|
packed.parms.subtype = subtype;
|
|
packed.parms.src_inst = sourceInstanceId;
|
|
packed.parms.target_inst = targetInstanceId;
|
|
|
|
return HvCall7(HvCallEventSignalLpEventParms, packed.dword,
|
|
correlationToken, eventData1, eventData2,
|
|
eventData3, eventData4, eventData5);
|
|
}
|
|
|
|
extern void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag);
|
|
extern void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle);
|
|
extern dma_addr_t iseries_hv_map(void *vaddr, size_t size,
|
|
enum dma_data_direction direction);
|
|
extern void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
|
|
enum dma_data_direction direction);
|
|
|
|
static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event)
|
|
{
|
|
return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event));
|
|
}
|
|
|
|
static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event)
|
|
{
|
|
return HvCall1(HvCallEventCancelLpEvent, virt_to_abs(event));
|
|
}
|
|
|
|
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 {
|
|
u8 flags;
|
|
HvLpIndex remote;
|
|
u8 type;
|
|
u8 reserved;
|
|
HvLpInstanceId local_inst;
|
|
HvLpInstanceId remote_inst;
|
|
} parms;
|
|
u64 dword;
|
|
} packed;
|
|
|
|
packed.parms.flags = (direction << 7) |
|
|
(localAddressType << 6) | (remoteAddressType << 5);
|
|
packed.parms.remote = remoteLp;
|
|
packed.parms.type = type;
|
|
packed.parms.reserved = 0;
|
|
packed.parms.local_inst = localInstanceId;
|
|
packed.parms.remote_inst = remoteInstanceId;
|
|
|
|
return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList,
|
|
remoteBufList, transferLength);
|
|
}
|
|
|
|
static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote,
|
|
u32 length, HvLpDma_Direction dir)
|
|
{
|
|
return HvCall4(HvCallEventDmaToSp, virt_to_abs(local), remote,
|
|
length, dir);
|
|
}
|
|
|
|
#endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */
|