2 * Provides the Hypervisor PCI calls for iSeries Linux Parition.
3 * Copyright (C) 2001 <Wayne G Holm> <IBM Corporation>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the:
17 * Free Software Foundation, Inc.,
18 * 59 Temple Place, Suite 330,
19 * Boston, MA 02111-1307 USA
22 * Created, Jan 9, 2001
25 #ifndef _PLATFORMS_ISERIES_CALL_PCI_H
26 #define _PLATFORMS_ISERIES_CALL_PCI_H
28 #include <asm/iseries/hv_call_sc.h>
29 #include <asm/iseries/hv_types.h>
32 * DSA == Direct Select Address
33 * this struct must be 64 bits in total
35 struct HvCallPci_DsaAddr {
36 u16 busNumber; /* PHB index? */
37 u8 subBusNumber; /* PCI bus number? */
38 u8 deviceId; /* device and function? */
45 struct HvCallPci_DsaAddr Dsa;
48 struct HvCallPci_LoadReturn {
53 enum HvCallPci_DeviceType {
54 HvCallPci_NodeDevice = 1,
55 HvCallPci_SpDevice = 2,
56 HvCallPci_IopDevice = 3,
57 HvCallPci_BridgeDevice = 4,
58 HvCallPci_MultiFunctionDevice = 5,
59 HvCallPci_IoaDevice = 6
63 struct HvCallPci_DeviceInfo {
64 u32 deviceType; /* See DeviceType enum for values */
67 struct HvCallPci_BusUnitInfo {
68 u32 sizeReturned; /* length of data returned */
69 u32 deviceType; /* see DeviceType enum for values */
72 struct HvCallPci_BridgeInfo {
73 struct HvCallPci_BusUnitInfo busUnitInfo; /* Generic bus unit info */
74 u8 subBusNumber; /* Bus number of secondary bus */
75 u8 maxAgents; /* Max idsels on secondary bus */
76 u8 maxSubBusNumber; /* Max Sub Bus */
77 u8 logicalSlotNumber; /* Logical Slot Number for IOA */
82 * Maximum BusUnitInfo buffer size. Provided for clients so
83 * they can allocate a buffer big enough for any type of bus
84 * unit. Increase as needed.
86 enum {HvCallPci_MaxBusUnitInfoSize = 128};
88 struct HvCallPci_BarParms {
99 enum HvCallPci_VpdType {
100 HvCallPci_BusVpd = 1,
101 HvCallPci_BusAdapterVpd = 2
104 #define HvCallPciConfigLoad8 HvCallPci + 0
105 #define HvCallPciConfigLoad16 HvCallPci + 1
106 #define HvCallPciConfigLoad32 HvCallPci + 2
107 #define HvCallPciConfigStore8 HvCallPci + 3
108 #define HvCallPciConfigStore16 HvCallPci + 4
109 #define HvCallPciConfigStore32 HvCallPci + 5
110 #define HvCallPciEoi HvCallPci + 16
111 #define HvCallPciGetBarParms HvCallPci + 18
112 #define HvCallPciMaskFisr HvCallPci + 20
113 #define HvCallPciUnmaskFisr HvCallPci + 21
114 #define HvCallPciSetSlotReset HvCallPci + 25
115 #define HvCallPciGetDeviceInfo HvCallPci + 27
116 #define HvCallPciGetCardVpd HvCallPci + 28
117 #define HvCallPciBarLoad8 HvCallPci + 40
118 #define HvCallPciBarLoad16 HvCallPci + 41
119 #define HvCallPciBarLoad32 HvCallPci + 42
120 #define HvCallPciBarLoad64 HvCallPci + 43
121 #define HvCallPciBarStore8 HvCallPci + 44
122 #define HvCallPciBarStore16 HvCallPci + 45
123 #define HvCallPciBarStore32 HvCallPci + 46
124 #define HvCallPciBarStore64 HvCallPci + 47
125 #define HvCallPciMaskInterrupts HvCallPci + 48
126 #define HvCallPciUnmaskInterrupts HvCallPci + 49
127 #define HvCallPciGetBusUnitInfo HvCallPci + 50
129 static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
130 u8 deviceId, u32 offset, u16 *value)
132 struct HvCallPci_DsaAddr dsa;
133 struct HvCallPci_LoadReturn retVal;
137 dsa.busNumber = busNumber;
138 dsa.subBusNumber = subBusNumber;
139 dsa.deviceId = deviceId;
141 HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0);
143 *value = retVal.value;
148 static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber,
149 u8 deviceId, u32 offset, u32 *value)
151 struct HvCallPci_DsaAddr dsa;
152 struct HvCallPci_LoadReturn retVal;
156 dsa.busNumber = busNumber;
157 dsa.subBusNumber = subBusNumber;
158 dsa.deviceId = deviceId;
160 HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0);
162 *value = retVal.value;
167 static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
168 u8 deviceId, u32 offset, u8 value)
170 struct HvCallPci_DsaAddr dsa;
174 dsa.busNumber = busNumber;
175 dsa.subBusNumber = subBusNumber;
176 dsa.deviceId = deviceId;
178 return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);
181 static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm,
184 struct HvCallPci_DsaAddr dsa;
185 struct HvCallPci_LoadReturn retVal;
189 dsa.busNumber = busNumberParm;
190 dsa.subBusNumber = subBusParm;
191 dsa.deviceId = deviceIdParm;
193 HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa);
198 static inline u64 HvCallPci_getBarParms(u16 busNumberParm, u8 subBusParm,
199 u8 deviceIdParm, u8 barNumberParm, u64 parms, u32 sizeofParms)
201 struct HvCallPci_DsaAddr dsa;
205 dsa.busNumber = busNumberParm;
206 dsa.subBusNumber = subBusParm;
207 dsa.deviceId = deviceIdParm;
208 dsa.barNumber = barNumberParm;
210 return HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms);
213 static inline u64 HvCallPci_maskFisr(u16 busNumberParm, u8 subBusParm,
214 u8 deviceIdParm, u64 fisrMask)
216 struct HvCallPci_DsaAddr dsa;
220 dsa.busNumber = busNumberParm;
221 dsa.subBusNumber = subBusParm;
222 dsa.deviceId = deviceIdParm;
224 return HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask);
227 static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm,
228 u8 deviceIdParm, u64 fisrMask)
230 struct HvCallPci_DsaAddr dsa;
234 dsa.busNumber = busNumberParm;
235 dsa.subBusNumber = subBusParm;
236 dsa.deviceId = deviceIdParm;
238 return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);
241 static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm,
242 u8 deviceNumberParm, u64 parms, u32 sizeofParms)
244 struct HvCallPci_DsaAddr dsa;
248 dsa.busNumber = busNumberParm;
249 dsa.subBusNumber = subBusParm;
250 dsa.deviceId = deviceNumberParm << 4;
252 return HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms);
255 static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm, u8 subBusParm,
256 u8 deviceIdParm, u64 interruptMask)
258 struct HvCallPci_DsaAddr dsa;
262 dsa.busNumber = busNumberParm;
263 dsa.subBusNumber = subBusParm;
264 dsa.deviceId = deviceIdParm;
266 return HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask);
269 static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm, u8 subBusParm,
270 u8 deviceIdParm, u64 interruptMask)
272 struct HvCallPci_DsaAddr dsa;
276 dsa.busNumber = busNumberParm;
277 dsa.subBusNumber = subBusParm;
278 dsa.deviceId = deviceIdParm;
280 return HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask);
283 static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm, u8 subBusParm,
284 u8 deviceIdParm, u64 parms, u32 sizeofParms)
286 struct HvCallPci_DsaAddr dsa;
290 dsa.busNumber = busNumberParm;
291 dsa.subBusNumber = subBusParm;
292 dsa.deviceId = deviceIdParm;
294 return HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms,
298 static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm,
301 u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm,
302 sizeParm, HvCallPci_BusVpd);
309 #endif /* _PLATFORMS_ISERIES_CALL_PCI_H */