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phoenix |
#ifndef _ISERIES_64_PCI_H
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#define _ISERIES_64_PCI_H
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/************************************************************************/
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/* File iSeries_pci.h created by Allan Trautman on Tue Feb 20, 2001. */
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/************************************************************************/
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/* Define some useful macros for the iSeries pci routines. */
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/* Copyright (C) 20yy Allan H Trautman, 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: */
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/* Free Software Foundation, Inc., */
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/* 59 Temple Place, Suite 330, */
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/* Boston, MA 02111-1307 USA */
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/************************************************************************/
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/* Change Activity: */
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/* Created Feb 20, 2001 */
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/* Added device reset, March 22, 2001 */
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/* Ported to ppc64, May 25, 2001 */
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/* End Change Activity */
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/************************************************************************/
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#include <asm/iSeries/HvCallPci.h>
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struct pci_dev; /* For Forward Reference */
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struct iSeries_Device_Node;
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/************************************************************************/
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/* Gets iSeries Bus, SubBus, of DevFn using pci_dev* structure */
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/************************************************************************/
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#define ISERIES_BUS(DevPtr) DevPtr->DsaAddr.busNumber
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#define ISERIES_SUBBUS(DevPtr) DevPtr->DsaAddr.subBusNumber
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#define ISERIES_DEVICE(DevPtr) DevPtr->DsaAddr.deviceId
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#define ISERIES_DEVFUN(DevPtr) DevPtr->DevFn
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#define ISERIES_DSA(DevPtr) (*(u64*)&DevPtr->DsaAddr)
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#define ISERIES_DEVNODE(PciDev) ((struct iSeries_Device_Node*)PciDev->sysdata)
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#define EADsMaxAgents 7
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/************************************************************************************/
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/* Decodes Linux DevFn to iSeries DevFn, bridge device, or function. */
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/* For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h */
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/************************************************************************************/
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#define ISERIES_DECODE_DEVFN(linuxdevfn) (((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07))
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#define ISERIES_DECODE_DEVICE(linuxdevfn) (((linuxdevfn & 0x38) >> 3) |(((linuxdevfn & 0x40) >> 2) + 0x10))
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#define ISERIES_DECODE_FUNCTION(linuxdevfn) (linuxdevfn & 0x07)
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#define ISERIES_PCI_AGENTID(idsel,func) ((idsel & 0x0F) << 4) | (func & 0x07)
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#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
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#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
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#define ISERIES_ENCODE_DEVICE(agentid) ((0x10) | ((agentid&0x20)>>2) | (agentid&07))
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/************************************************************************************/
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/* Converts Virtual Address to Real Address for Hypervisor calls */
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/************************************************************************************/
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#define REALADDR(virtaddr) (0x8000000000000000 | (virt_to_absolute((u64)virtaddr) ))
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/************************************************************************************/
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/* Define TRUE and FALSE Values for Al */
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/************************************************************************************/
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/************************************************************************/
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/* iSeries Device Information */
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/************************************************************************/
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struct iSeries_Device_Node {
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struct list_head Device_List; /* Must be first for cast to wo*/
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struct pci_dev* PciDev; /* Pointer to pci_dev structure*/
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struct HvCallPci_DsaAddr DsaAddr;/* Direct Select Address */
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/* busNumber,subBusNumber, */
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/* deviceId, barNumber */
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HvAgentId AgentId; /* Hypervisor DevFn */
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int DevFn; /* Linux devfn */
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int BarOffset;
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int Irq; /* Assigned IRQ */
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int ReturnCode; /* Return Code Holder */
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int IoRetry; /* Current Retry Count */
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int Flags; /* Possible flags(disable/bist)*/
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u16 Vendor; /* Vendor ID */
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u8 LogicalSlot; /* Hv Slot Index for Tces */
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struct TceTable* DevTceTable; /* Device TCE Table */
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spinlock_t IoLock; /* Lock to single thread device*/
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u8 PhbId; /* Phb Card is on. */
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u16 Board; /* Board Number */
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u8 FrameId; /* iSeries spcn Frame Id */
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char CardLocation[4];/* Char format of planar vpd */
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char Location[20]; /* Frame 1, Card C10 */
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};
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/************************************************************************/
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/* Location Data extracted from the VPD list and device info. */
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/************************************************************************/
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struct LocationDataStruct { /* Location data structure for device */
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u16 Bus; /* iSeries Bus Number 0x00*/
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u16 Board; /* iSeries Board 0x02*/
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u8 FrameId; /* iSeries spcn Frame Id 0x04*/
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u8 PhbId; /* iSeries Phb Location 0x05*/
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u8 AgentId; /* iSeries AgentId 0x06*/
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u8 Card;
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char CardLocation[4];
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};
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typedef struct LocationDataStruct LocationData;
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#define LOCATION_DATA_SIZE 48
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/************************************************************************/
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/* Flight Recorder tracing */
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/************************************************************************/
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extern int iSeries_Set_PciTraceFlag(int TraceFlag);
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extern int iSeries_Get_PciTraceFlag(void);
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/************************************************************************/
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/* Functions */
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/************************************************************************/
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extern LocationData* iSeries_GetLocationData(struct pci_dev* PciDev);
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extern int iSeries_Device_Information(struct pci_dev*,char*, int);
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extern void iSeries_Get_Location_Code(struct iSeries_Device_Node*);
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extern int iSeries_Device_ToggleReset(struct pci_dev* PciDev, int AssertTime, int DelayTime);
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#endif /* _ISERIES_64_PCI_H */
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