1 #ifndef _ISERIES_64_PCI_H
2 #define _ISERIES_64_PCI_H
5 * File iSeries_pci.h created by Allan Trautman on Tue Feb 20, 2001.
7 * Define some useful macros for the iSeries pci routines.
8 * Copyright (C) 2001 Allan H Trautman, IBM Corporation
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.
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.
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
27 * Created Feb 20, 2001
28 * Added device reset, March 22, 2001
29 * Ported to ppc64, May 25, 2001
33 #include <asm/iSeries/HvCallPci.h>
34 #include <asm/abs_addr.h>
36 struct pci_dev; /* For Forward Reference */
37 struct iSeries_Device_Node;
40 * Gets iSeries Bus, SubBus, DevFn using iSeries_Device_Node structure
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)
50 #define EADsMaxAgents 7
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
57 #define ISERIES_PCI_AGENTID(idsel, func) \
58 (((idsel & 0x0F) << 4) | (func & 0x07))
59 #define ISERIES_ENCODE_DEVICE(agentid) \
60 ((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07))
62 #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7)
63 #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7)
66 * N.B. the ISERIES_DECODE_* macros are not used anywhere, and I think
67 * the 0x71 (at least) must be wrong - 0x78 maybe? -- paulus.
69 #define ISERIES_DECODE_DEVFN(linuxdevfn) \
70 (((linuxdevfn & 0x71) << 1) | (linuxdevfn & 0x07))
71 #define ISERIES_DECODE_DEVICE(linuxdevfn) \
72 (((linuxdevfn & 0x38) >> 3) | (((linuxdevfn & 0x40) >> 2) + 0x10))
73 #define ISERIES_DECODE_FUNCTION(linuxdevfn) \
77 * Converts Virtual Address to Real Address for Hypervisor calls
79 #define ISERIES_HV_ADDR(virtaddr) \
80 (0x8000000000000000 | virt_to_abs(virtaddr))
83 * iSeries Device Information
85 struct iSeries_Device_Node {
86 struct list_head Device_List;
87 struct pci_dev *PciDev;
88 union HvDsaMap DsaAddr; /* Direct Select Address */
89 /* busNumber, subBusNumber, */
90 /* deviceId, barNumber */
91 HvAgentId AgentId; /* Hypervisor DevFn */
92 int DevFn; /* Linux devfn */
94 int Irq; /* Assigned IRQ */
95 int ReturnCode; /* Return Code Holder */
96 int IoRetry; /* Current Retry Count */
97 int Flags; /* Possible flags(disable/bist)*/
98 u16 Vendor; /* Vendor ID */
99 u8 LogicalSlot; /* Hv Slot Index for Tces */
100 struct iommu_table *iommu_table;/* Device TCE Table */
101 u8 PhbId; /* Phb Card is on. */
102 u16 Board; /* Board Number */
103 u8 FrameId; /* iSeries spcn Frame Id */
104 char CardLocation[4];/* Char format of planar vpd */
105 char Location[20]; /* Frame 1, Card C10 */
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,
111 int AssertTime, int DelayTime);
113 #endif /* _ISERIES_64_PCI_H */