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 */
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. */
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. */
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>
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)
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)
55 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
56 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
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) ))
64 /************************************************************************************/
65 /* Define TRUE and FALSE Values for Al */
66 /************************************************************************************/
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 */
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 */
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*/
110 char CardLocation[4];
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);
120 /************************************************************************/
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);
128 #endif /* _ISERIES_64_PCI_H */