#ifndef _ISERIES_64_PCI_H #define _ISERIES_64_PCI_H /************************************************************************/ /* File iSeries_pci.h created by Allan Trautman on Tue Feb 20, 2001. */ /************************************************************************/ /* Define some useful macros for the iSeries pci routines. */ /* Copyright (C) 20yy Allan H Trautman, 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 Feb 20, 2001 */ /* Added device reset, March 22, 2001 */ /* Ported to ppc64, May 25, 2001 */ /* End Change Activity */ /************************************************************************/ #include struct pci_dev; /* For Forward Reference */ struct iSeries_Device_Node; /************************************************************************/ /* Gets iSeries Bus, SubBus, of DevFn using pci_dev* structure */ /************************************************************************/ #define ISERIES_BUS(DevPtr) DevPtr->DsaAddr.busNumber #define ISERIES_SUBBUS(DevPtr) DevPtr->DsaAddr.subBusNumber #define ISERIES_DEVICE(DevPtr) DevPtr->DsaAddr.deviceId #define ISERIES_DEVFUN(DevPtr) DevPtr->DevFn #define ISERIES_DSA(DevPtr) (*(u64*)&DevPtr->DsaAddr) #define ISERIES_DEVNODE(PciDev) ((struct iSeries_Device_Node*)PciDev->sysdata) #define EADsMaxAgents 7 /************************************************************************************/ /* Decodes Linux DevFn to iSeries DevFn, bridge device, or function. */ /* For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h */ /************************************************************************************/ #define ISERIES_DECODE_DEVFN(linuxdevfn) (((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07)) #define ISERIES_DECODE_DEVICE(linuxdevfn) (((linuxdevfn & 0x38) >> 3) |(((linuxdevfn & 0x40) >> 2) + 0x10)) #define ISERIES_DECODE_FUNCTION(linuxdevfn) (linuxdevfn & 0x07) #define ISERIES_PCI_AGENTID(idsel,func) ((idsel & 0x0F) << 4) | (func & 0x07) #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) #define ISERIES_ENCODE_DEVICE(agentid) ((0x10) | ((agentid&0x20)>>2) | (agentid&07)) /************************************************************************************/ /* Converts Virtual Address to Real Address for Hypervisor calls */ /************************************************************************************/ #define REALADDR(virtaddr) (0x8000000000000000 | (virt_to_absolute((u64)virtaddr) )) /************************************************************************************/ /* Define TRUE and FALSE Values for Al */ /************************************************************************************/ #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif /************************************************************************/ /* iSeries Device Information */ /************************************************************************/ struct iSeries_Device_Node { struct list_head Device_List; /* Must be first for cast to wo*/ struct pci_dev* PciDev; /* Pointer to pci_dev structure*/ struct HvCallPci_DsaAddr DsaAddr;/* Direct Select Address */ /* busNumber,subBusNumber, */ /* deviceId, barNumber */ HvAgentId AgentId; /* Hypervisor DevFn */ int DevFn; /* Linux devfn */ int BarOffset; int Irq; /* Assigned IRQ */ int ReturnCode; /* Return Code Holder */ int IoRetry; /* Current Retry Count */ int Flags; /* Possible flags(disable/bist)*/ u16 Vendor; /* Vendor ID */ u8 LogicalSlot; /* Hv Slot Index for Tces */ struct TceTable* DevTceTable; /* Device TCE Table */ spinlock_t IoLock; /* Lock to single thread device*/ u8 PhbId; /* Phb Card is on. */ u16 Board; /* Board Number */ u8 FrameId; /* iSeries spcn Frame Id */ char CardLocation[4];/* Char format of planar vpd */ char Location[20]; /* Frame 1, Card C10 */ }; /************************************************************************/ /* Location Data extracted from the VPD list and device info. */ /************************************************************************/ struct LocationDataStruct { /* Location data structure for device */ u16 Bus; /* iSeries Bus Number 0x00*/ u16 Board; /* iSeries Board 0x02*/ u8 FrameId; /* iSeries spcn Frame Id 0x04*/ u8 PhbId; /* iSeries Phb Location 0x05*/ u8 AgentId; /* iSeries AgentId 0x06*/ u8 Card; char CardLocation[4]; }; typedef struct LocationDataStruct LocationData; #define LOCATION_DATA_SIZE 48 /************************************************************************/ /* Flight Recorder tracing */ /************************************************************************/ extern int iSeries_Set_PciTraceFlag(int TraceFlag); extern int iSeries_Get_PciTraceFlag(void); /************************************************************************/ /* Functions */ /************************************************************************/ extern LocationData* iSeries_GetLocationData(struct pci_dev* PciDev); extern int iSeries_Device_Information(struct pci_dev*,char*, int); extern void iSeries_Get_Location_Code(struct iSeries_Device_Node*); extern int iSeries_Device_ToggleReset(struct pci_dev* PciDev, int AssertTime, int DelayTime); #endif /* _ISERIES_64_PCI_H */