6b7feecb2f
This patch does some obvious code cleanups in the iSeries headers files. - simplifies the bodies of lots of inline functions - parenthesises a macros result - removes C++ wrapping - adds "extern" to some function declarations There are no semantic changes. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
#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) 2001 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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#include <asm/abs_addr.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, DevFn using iSeries_Device_Node structure
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*/
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#define ISERIES_BUS(DevPtr) DevPtr->DsaAddr.Dsa.busNumber
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#define ISERIES_SUBBUS(DevPtr) DevPtr->DsaAddr.Dsa.subBusNumber
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#define ISERIES_DEVICE(DevPtr) DevPtr->DsaAddr.Dsa.deviceId
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#define ISERIES_DSA(DevPtr) DevPtr->DsaAddr.DsaAddr
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#define ISERIES_DEVFUN(DevPtr) DevPtr->DevFn
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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_PCI_AGENTID(idsel, func) \
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(((idsel & 0x0F) << 4) | (func & 0x07))
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#define ISERIES_ENCODE_DEVICE(agentid) \
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((0x10) | ((agentid & 0x20) >> 2) | (agentid & 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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/*
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* N.B. the ISERIES_DECODE_* macros are not used anywhere, and I think
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* the 0x71 (at least) must be wrong - 0x78 maybe? -- paulus.
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*/
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#define ISERIES_DECODE_DEVFN(linuxdevfn) \
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(((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07))
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#define ISERIES_DECODE_DEVICE(linuxdevfn) \
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(((linuxdevfn & 0x38) >> 3) | (((linuxdevfn & 0x40) >> 2) + 0x10))
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#define ISERIES_DECODE_FUNCTION(linuxdevfn) \
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(linuxdevfn & 0x07)
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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 ISERIES_HV_ADDR(virtaddr) \
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(0x8000000000000000 | virt_to_abs(virtaddr))
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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;
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struct pci_dev *PciDev;
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union HvDsaMap 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 iommu_table *iommu_table;/* Device TCE Table */
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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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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,
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int AssertTime, int DelayTime);
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#endif /* _ISERIES_64_PCI_H */
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