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/*
* Provides the Hypervisor PCI calls for iSeries Linux Parition.
* Copyright (C) 2001 <Wayne G Holm> <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
*
* Change Activity:
* Created, Jan 9, 2001
*/
#ifndef _PLATFORMS_ISERIES_CALL_PCI_H
#define _PLATFORMS_ISERIES_CALL_PCI_H
#include <asm/iseries/hv_call_sc.h>
#include <asm/iseries/hv_types.h>
/*
* DSA == Direct Select Address
* this struct must be 64 bits in total
*/
struct HvCallPci_DsaAddr {
u16 busNumber; /* PHB index? */
u8 subBusNumber; /* PCI bus number? */
u8 deviceId; /* device and function? */
u8 barNumber;
u8 reserved[3];
};
union HvDsaMap {
u64 DsaAddr;
struct HvCallPci_DsaAddr Dsa;
};
struct HvCallPci_LoadReturn {
u64 rc;
u64 value;
};
enum HvCallPci_DeviceType {
HvCallPci_NodeDevice = 1,
HvCallPci_SpDevice = 2,
HvCallPci_IopDevice = 3,
HvCallPci_BridgeDevice = 4,
HvCallPci_MultiFunctionDevice = 5,
HvCallPci_IoaDevice = 6
};
struct HvCallPci_DeviceInfo {
u32 deviceType; /* See DeviceType enum for values */
};
struct HvCallPci_BusUnitInfo {
u32 sizeReturned; /* length of data returned */
u32 deviceType; /* see DeviceType enum for values */
};
struct HvCallPci_BridgeInfo {
struct HvCallPci_BusUnitInfo busUnitInfo; /* Generic bus unit info */
u8 subBusNumber; /* Bus number of secondary bus */
u8 maxAgents; /* Max idsels on secondary bus */
u8 maxSubBusNumber; /* Max Sub Bus */
u8 logicalSlotNumber; /* Logical Slot Number for IOA */
};
/*
* Maximum BusUnitInfo buffer size. Provided for clients so
* they can allocate a buffer big enough for any type of bus
* unit. Increase as needed.
*/
enum {HvCallPci_MaxBusUnitInfoSize = 128};
struct HvCallPci_BarParms {
u64 vaddr;
u64 raddr;
u64 size;
u64 protectStart;
u64 protectEnd;
u64 relocationOffset;
u64 pciAddress;
u64 reserved[3];
};
enum HvCallPci_VpdType {
HvCallPci_BusVpd = 1,
HvCallPci_BusAdapterVpd = 2
};
#define HvCallPciConfigLoad8 HvCallPci + 0
#define HvCallPciConfigLoad16 HvCallPci + 1
#define HvCallPciConfigLoad32 HvCallPci + 2
#define HvCallPciConfigStore8 HvCallPci + 3
#define HvCallPciConfigStore16 HvCallPci + 4
#define HvCallPciConfigStore32 HvCallPci + 5
#define HvCallPciEoi HvCallPci + 16
#define HvCallPciGetBarParms HvCallPci + 18
#define HvCallPciMaskFisr HvCallPci + 20
#define HvCallPciUnmaskFisr HvCallPci + 21
#define HvCallPciSetSlotReset HvCallPci + 25
#define HvCallPciGetDeviceInfo HvCallPci + 27
#define HvCallPciGetCardVpd HvCallPci + 28
#define HvCallPciBarLoad8 HvCallPci + 40
#define HvCallPciBarLoad16 HvCallPci + 41
#define HvCallPciBarLoad32 HvCallPci + 42
#define HvCallPciBarLoad64 HvCallPci + 43
#define HvCallPciBarStore8 HvCallPci + 44
#define HvCallPciBarStore16 HvCallPci + 45
#define HvCallPciBarStore32 HvCallPci + 46
#define HvCallPciBarStore64 HvCallPci + 47
#define HvCallPciMaskInterrupts HvCallPci + 48
#define HvCallPciUnmaskInterrupts HvCallPci + 49
#define HvCallPciGetBusUnitInfo HvCallPci + 50
static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
u8 deviceId, u32 offset, u16 *value)
{
struct HvCallPci_DsaAddr dsa;
struct HvCallPci_LoadReturn retVal;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumber;
dsa.subBusNumber = subBusNumber;
dsa.deviceId = deviceId;
HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0);
*value = retVal.value;
return retVal.rc;
}
static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
u8 deviceId, u32 offset, u8 value)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumber;
dsa.subBusNumber = subBusNumber;
dsa.deviceId = deviceId;
return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);
}
static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm)
{
struct HvCallPci_DsaAddr dsa;
struct HvCallPci_LoadReturn retVal;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa);
return retVal.rc;
}
static inline u64 HvCallPci_getBarParms(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u8 barNumberParm, u64 parms, u32 sizeofParms)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
dsa.barNumber = barNumberParm;
return HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms);
}
static inline u64 HvCallPci_maskFisr(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u64 fisrMask)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
return HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask);
}
static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u64 fisrMask)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);
}
static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm,
u8 deviceNumberParm, u64 parms, u32 sizeofParms)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceNumberParm << 4;
return HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms);
}
static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u64 interruptMask)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
return HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask);
}
static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u64 interruptMask)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
return HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask);
}
static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm, u8 subBusParm,
u8 deviceIdParm, u64 parms, u32 sizeofParms)
{
struct HvCallPci_DsaAddr dsa;
*((u64*)&dsa) = 0;
dsa.busNumber = busNumberParm;
dsa.subBusNumber = subBusParm;
dsa.deviceId = deviceIdParm;
return HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms,
sizeofParms);
}
static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm,
u16 sizeParm)
{
u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm,
sizeParm, HvCallPci_BusVpd);
if (xRc == -1)
return -1;
else
return xRc & 0xFFFF;
}
#endif /* _PLATFORMS_ISERIES_CALL_PCI_H */
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