include/asm-ppc64/iSeries/iSeries_pci.h

   1 #ifndef _ISERIES_64_PCI_H
   2 #define _ISERIES_64_PCI_H
   3
   4 /************************************************************************/
   5 /* File iSeries_pci.h created by Allan Trautman on Tue Feb 20, 2001.    */
   6 /************************************************************************/
   7 /* Define some useful macros for the iSeries pci routines.              */
   8 /* Copyright (C) 2001  Allan H Trautman, IBM Corporation                */
   9 /*                                                                      */
  10 /* This program is free software; you can redistribute it and/or modify */
  11 /* it under the terms of the GNU General Public License as published by */
  12 /* the Free Software Foundation; either version 2 of the License, or    */
  13 /* (at your option) any later version.                                  */
  14 /*                                                                      */
  15 /* This program is distributed in the hope that it will be useful,      */
  16 /* but WITHOUT ANY WARRANTY; without even the implied warranty of       */
  17 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        */
  18 /* GNU General Public License for more details.                         */
  19 /*                                                                      */
  20 /* You should have received a copy of the GNU General Public License    */
  21 /* along with this program; if not, write to the:                       */
  22 /* Free Software Foundation, Inc.,                                      */
  23 /* 59 Temple Place, Suite 330,                                          */
  24 /* Boston, MA  02111-1307  USA                                          */
  25 /************************************************************************/
  26 /* Change Activity:                                                     */
  27 /*   Created Feb 20, 2001                                               */
  28 /*   Added device reset, March 22, 2001                                 */
  29 /*   Ported to ppc64, May 25, 2001                                      */
  30 /* End Change Activity                                                  */
  31 /************************************************************************/
  32
  33 #include <asm/iSeries/HvCallPci.h>
  34 #include <asm/abs_addr.h>
  35
  36 struct pci_dev;                         /* For Forward Reference        */
  37 struct iSeries_Device_Node;
  38
  39 /************************************************************************/
  40 /* Gets iSeries Bus, SubBus, DevFn using iSeries_Device_Node structure */
  41 /************************************************************************/
  42
  43 #define ISERIES_BUS(DevPtr)     DevPtr->DsaAddr.Dsa.busNumber
  44 #define ISERIES_SUBBUS(DevPtr)  DevPtr->DsaAddr.Dsa.subBusNumber
  45 #define ISERIES_DEVICE(DevPtr)  DevPtr->DsaAddr.Dsa.deviceId
  46 #define ISERIES_DSA(DevPtr)     DevPtr->DsaAddr.DsaAddr
  47 #define ISERIES_DEVFUN(DevPtr)  DevPtr->DevFn
  48 #define ISERIES_DEVNODE(PciDev) ((struct iSeries_Device_Node*)PciDev->sysdata)
  49
  50 #define EADsMaxAgents 7
  51
  52 /************************************************************************/
  53 /* Decodes Linux DevFn to iSeries DevFn, bridge device, or function.    */
  54 /* For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h          */
  55 /************************************************************************/
  56
  57 #define ISERIES_PCI_AGENTID(idsel,func) ((idsel & 0x0F) << 4) | (func  & 0x07)
  58 #define ISERIES_ENCODE_DEVICE(agentid)  ((0x10) | ((agentid&0x20)>>2) | (agentid&07))
  59
  60 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus)   ((subbus >> 5) & 0x7)
  61 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
  62
  63 /*
  64  * N.B. the ISERIES_DECODE_* macros are not used anywhere, and I think
  65  * the 0x71 (at least) must be wrong - 0x78 maybe?  -- paulus.
  66  */
  67 #define ISERIES_DECODE_DEVFN(linuxdevfn)  (((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07))
  68 #define ISERIES_DECODE_DEVICE(linuxdevfn) (((linuxdevfn & 0x38) >> 3) |(((linuxdevfn & 0x40) >> 2) + 0x10))
  69 #define ISERIES_DECODE_FUNCTION(linuxdevfn) (linuxdevfn & 0x07)
  70
  71 /************************************************************************/
  72 /* Converts Virtual Address to Real Address for Hypervisor calls        */
  73 /************************************************************************/
  74
  75 #define ISERIES_HV_ADDR(virtaddr)  (0x8000000000000000 | virt_to_abs(virtaddr))
  76
  77 /************************************************************************/
  78 /* iSeries Device Information                                           */
  79 /************************************************************************/
  80
  81 struct iSeries_Device_Node {
  82         struct list_head Device_List;
  83         struct pci_dev* PciDev;         /* Pointer to pci_dev structure*/
  84         union HvDsaMap  DsaAddr;        /* Direct Select Address       */
  85                                         /* busNumber,subBusNumber,     */
  86                                         /* deviceId, barNumber         */
  87         HvAgentId       AgentId;        /* Hypervisor DevFn            */
  88         int             DevFn;          /* Linux devfn                 */
  89         int             BarOffset;
  90         int             Irq;            /* Assigned IRQ                */
  91         int             ReturnCode;     /* Return Code Holder          */
  92         int             IoRetry;        /* Current Retry Count         */
  93         int             Flags;          /* Possible flags(disable/bist)*/
  94         u16             Vendor;         /* Vendor ID                   */
  95         u8              LogicalSlot;    /* Hv Slot Index for Tces      */
  96         struct iommu_table* iommu_table;/* Device TCE Table            */
  97         u8              PhbId;          /* Phb Card is on.             */
  98         u16             Board;          /* Board Number                */
  99         u8              FrameId;        /* iSeries spcn Frame Id       */
 100         char            CardLocation[4];/* Char format of planar vpd   */
 101         char            Location[20];   /* Frame  1, Card C10          */
 102 };
 103
 104 /************************************************************************/
 105 /* Functions                                                            */
 106 /************************************************************************/
 107
 108 extern int           iSeries_Device_Information(struct pci_dev*,char*, int);
 109 extern void          iSeries_Get_Location_Code(struct iSeries_Device_Node*);
 110 extern int           iSeries_Device_ToggleReset(struct pci_dev* PciDev, int AssertTime, int DelayTime);
 111
 112 #endif /* _ISERIES_64_PCI_H */