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-rw-r--r--include/asm-ppc64/iSeries/iSeries_pci.h112
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diff --git a/include/asm-ppc64/iSeries/iSeries_pci.h b/include/asm-ppc64/iSeries/iSeries_pci.h
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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
36struct pci_dev; /* For Forward Reference */
37struct 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
81struct 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
108extern int iSeries_Device_Information(struct pci_dev*,char*, int);
109extern void iSeries_Get_Location_Code(struct iSeries_Device_Node*);
110extern int iSeries_Device_ToggleReset(struct pci_dev* PciDev, int AssertTime, int DelayTime);
111
112#endif /* _ISERIES_64_PCI_H */
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