1 #ifndef _ISERIES_64_PCI_H 2 #define _ISERIES_64_PCI_H 3 /************************************************************************/ 4 /* File iSeries_pci.h created by Allan Trautman on Tue Feb 20, 2001. */ 5 /************************************************************************/ 6 /* Define some useful macros for the iSeries pci routines. */ 7 /* Copyright (C) 20yy Allan H Trautman, IBM Corporation */ 8 /* */ 9 /* This program is free software; you can redistribute it and/or modify */ 10 /* it under the terms of the GNU General Public License as published by */ 11 /* the Free Software Foundation; either version 2 of the License, or */ 12 /* (at your option) any later version. */ 13 /* */ 14 /* This program is distributed in the hope that it will be useful, */ 15 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 16 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ 17 /* GNU General Public License for more details. */ 18 /* */ 19 /* You should have received a copy of the GNU General Public License */ 20 /* along with this program; if not, write to the: */ 21 /* Free Software Foundation, Inc., */ 22 /* 59 Temple Place, Suite 330, */ 23 /* Boston, MA 02111-1307 USA */ 24 /************************************************************************/ 25 /* Change Activity: */ 26 /* Created Feb 20, 2001 */ 27 /* Added device reset, March 22, 2001 */ 28 /* Ported to ppc64, May 25, 2001 */ 29 /* End Change Activity */ 30 /************************************************************************/ 31 #include <asm/iSeries/HvCallPci.h> 32 33 struct pci_dev; /* For Forward Reference */ 34 struct iSeries_Device_Node; 35 /************************************************************************/ 36 /* Gets iSeries Bus, SubBus, of DevFn using pci_dev* structure */ 37 /************************************************************************/ 38 #define ISERIES_BUS(DevPtr) DevPtr->DsaAddr.busNumber 39 #define ISERIES_SUBBUS(DevPtr) DevPtr->DsaAddr.subBusNumber 40 #define ISERIES_DEVICE(DevPtr) DevPtr->DsaAddr.deviceId 41 #define ISERIES_DEVFUN(DevPtr) DevPtr->DevFn 42 #define ISERIES_DSA(DevPtr) (*(u64*)&DevPtr->DsaAddr) 43 #define ISERIES_DEVNODE(PciDev) ((struct iSeries_Device_Node*)PciDev->sysdata) 44 45 #define EADsMaxAgents 7 46 /************************************************************************************/ 47 /* Decodes Linux DevFn to iSeries DevFn, bridge device, or function. */ 48 /* For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h */ 49 /************************************************************************************/ 50 #define ISERIES_DECODE_DEVFN(linuxdevfn) (((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07)) 51 #define ISERIES_DECODE_DEVICE(linuxdevfn) (((linuxdevfn & 0x38) >> 3) |(((linuxdevfn & 0x40) >> 2) + 0x10)) 52 #define ISERIES_DECODE_FUNCTION(linuxdevfn) (linuxdevfn & 0x07) 53 #define ISERIES_PCI_AGENTID(idsel,func) ((idsel & 0x0F) << 4) | (func & 0x07) 54 55 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) 56 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) 57 58 #define ISERIES_ENCODE_DEVICE(agentid) ((0x10) | ((agentid&0x20)>>2) | (agentid&07)) 59 /************************************************************************************/ 60 /* Converts Virtual Address to Real Address for Hypervisor calls */ 61 /************************************************************************************/ 62 #define REALADDR(virtaddr) (0x8000000000000000 | (virt_to_absolute((u64)virtaddr) )) 63 64 /************************************************************************************/ 65 /* Define TRUE and FALSE Values for Al */ 66 /************************************************************************************/ 67 #ifndef TRUE 68 #define TRUE 1 69 #endif 70 #ifndef FALSE 71 #define FALSE 0 72 #endif 73 74 /************************************************************************/ 75 /* iSeries Device Information */ 76 /************************************************************************/ 77 struct iSeries_Device_Node { 78 struct list_head Device_List; /* Must be first for cast to wo*/ 79 struct pci_dev* PciDev; /* Pointer to pci_dev structure*/ 80 struct HvCallPci_DsaAddr DsaAddr;/* Direct Select Address */ 81 /* busNumber,subBusNumber, */ 82 /* deviceId, barNumber */ 83 HvAgentId AgentId; /* Hypervisor DevFn */ 84 int DevFn; /* Linux devfn */ 85 int BarOffset; 86 int Irq; /* Assigned IRQ */ 87 int ReturnCode; /* Return Code Holder */ 88 int IoRetry; /* Current Retry Count */ 89 int Flags; /* Possible flags(disable/bist)*/ 90 u16 Vendor; /* Vendor ID */ 91 u8 LogicalSlot; /* Hv Slot Index for Tces */ 92 struct TceTable* DevTceTable; /* Device TCE Table */ 93 spinlock_t IoLock; /* Lock to single thread device*/ 94 u8 PhbId; /* Phb Card is on. */ 95 u16 Board; /* Board Number */ 96 u8 FrameId; /* iSeries spcn Frame Id */ 97 char CardLocation[4];/* Char format of planar vpd */ 98 char Location[20]; /* Frame 1, Card C10 */ 99 }; 100 /************************************************************************/ 101 /* Location Data extracted from the VPD list and device info. */ 102 /************************************************************************/ 103 struct LocationDataStruct { /* Location data structure for device */ 104 u16 Bus; /* iSeries Bus Number 0x00*/ 105 u16 Board; /* iSeries Board 0x02*/ 106 u8 FrameId; /* iSeries spcn Frame Id 0x04*/ 107 u8 PhbId; /* iSeries Phb Location 0x05*/ 108 u8 AgentId; /* iSeries AgentId 0x06*/ 109 u8 Card; 110 char CardLocation[4]; 111 }; 112 typedef struct LocationDataStruct LocationData; 113 #define LOCATION_DATA_SIZE 48 114 /************************************************************************/ 115 /* Flight Recorder tracing */ 116 /************************************************************************/ 117 extern int iSeries_Set_PciTraceFlag(int TraceFlag); 118 extern int iSeries_Get_PciTraceFlag(void); 119 120 /************************************************************************/ 121 /* Functions */ 122 /************************************************************************/ 123 extern LocationData* iSeries_GetLocationData(struct pci_dev* PciDev); 124 extern int iSeries_Device_Information(struct pci_dev*,char*, int); 125 extern void iSeries_Get_Location_Code(struct iSeries_Device_Node*); 126 extern int iSeries_Device_ToggleReset(struct pci_dev* PciDev, int AssertTime, int DelayTime); 127 128 #endif /* _ISERIES_64_PCI_H */ 129