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Diffstat (limited to 'include/asm-ppc64/iSeries/iSeries_pci.h')
| -rw-r--r-- | include/asm-ppc64/iSeries/iSeries_pci.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/asm-ppc64/iSeries/iSeries_pci.h b/include/asm-ppc64/iSeries/iSeries_pci.h new file mode 100644 index 00000000000..5769cff4c00 --- /dev/null +++ b/include/asm-ppc64/iSeries/iSeries_pci.h @@ -0,0 +1,112 @@ +#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) 2001 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 <asm/iSeries/HvCallPci.h> +#include <asm/abs_addr.h> + +struct pci_dev; /* For Forward Reference */ +struct iSeries_Device_Node; + +/************************************************************************/ +/* Gets iSeries Bus, SubBus, DevFn using iSeries_Device_Node structure */ +/************************************************************************/ + +#define ISERIES_BUS(DevPtr) DevPtr->DsaAddr.Dsa.busNumber +#define ISERIES_SUBBUS(DevPtr) DevPtr->DsaAddr.Dsa.subBusNumber +#define ISERIES_DEVICE(DevPtr) DevPtr->DsaAddr.Dsa.deviceId +#define ISERIES_DSA(DevPtr) DevPtr->DsaAddr.DsaAddr +#define ISERIES_DEVFUN(DevPtr) DevPtr->DevFn +#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_PCI_AGENTID(idsel,func) ((idsel & 0x0F) << 4) | (func & 0x07) +#define ISERIES_ENCODE_DEVICE(agentid) ((0x10) | ((agentid&0x20)>>2) | (agentid&07)) + +#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) +#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) + +/* + * N.B. the ISERIES_DECODE_* macros are not used anywhere, and I think + * the 0x71 (at least) must be wrong - 0x78 maybe? -- paulus. + */ +#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) + +/************************************************************************/ +/* Converts Virtual Address to Real Address for Hypervisor calls */ +/************************************************************************/ + +#define ISERIES_HV_ADDR(virtaddr) (0x8000000000000000 | virt_to_abs(virtaddr)) + +/************************************************************************/ +/* iSeries Device Information */ +/************************************************************************/ + +struct iSeries_Device_Node { + struct list_head Device_List; + struct pci_dev* PciDev; /* Pointer to pci_dev structure*/ + union HvDsaMap 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 iommu_table* iommu_table;/* Device TCE Table */ + 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 */ +}; + +/************************************************************************/ +/* Functions */ +/************************************************************************/ + +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 */ |