310 lines
7.7 KiB
C
310 lines
7.7 KiB
C
/*
|
|
* 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_configLoad32(u16 busNumber, u8 subBusNumber,
|
|
u8 deviceId, u32 offset, u32 *value)
|
|
{
|
|
struct HvCallPci_DsaAddr dsa;
|
|
struct HvCallPci_LoadReturn retVal;
|
|
|
|
*((u64*)&dsa) = 0;
|
|
|
|
dsa.busNumber = busNumber;
|
|
dsa.subBusNumber = subBusNumber;
|
|
dsa.deviceId = deviceId;
|
|
|
|
HvCall3Ret16(HvCallPciConfigLoad32, &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 */
|