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45dc76aa SR |
1 | /* |
2 | * Provides the Hypervisor PCI calls for iSeries Linux Parition. | |
3 | * Copyright (C) 2001 <Wayne G Holm> <IBM Corporation> | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
20 | * | |
21 | * Change Activity: | |
22 | * Created, Jan 9, 2001 | |
23 | */ | |
1da177e4 | 24 | |
c6d2ea92 SR |
25 | #ifndef _PLATFORMS_ISERIES_CALL_PCI_H |
26 | #define _PLATFORMS_ISERIES_CALL_PCI_H | |
1da177e4 | 27 | |
50592f5d | 28 | #include <asm/iseries/hv_call_sc.h> |
1ec65d76 | 29 | #include <asm/iseries/hv_types.h> |
1da177e4 LT |
30 | |
31 | /* | |
32 | * DSA == Direct Select Address | |
33 | * this struct must be 64 bits in total | |
34 | */ | |
35 | struct HvCallPci_DsaAddr { | |
36 | u16 busNumber; /* PHB index? */ | |
45dc76aa SR |
37 | u8 subBusNumber; /* PCI bus number? */ |
38 | u8 deviceId; /* device and function? */ | |
1da177e4 LT |
39 | u8 barNumber; |
40 | u8 reserved[3]; | |
41 | }; | |
42 | ||
43 | union HvDsaMap { | |
44 | u64 DsaAddr; | |
45 | struct HvCallPci_DsaAddr Dsa; | |
46 | }; | |
47 | ||
48 | struct HvCallPci_LoadReturn { | |
49 | u64 rc; | |
50 | u64 value; | |
51 | }; | |
52 | ||
53 | enum HvCallPci_DeviceType { | |
54 | HvCallPci_NodeDevice = 1, | |
45dc76aa SR |
55 | HvCallPci_SpDevice = 2, |
56 | HvCallPci_IopDevice = 3, | |
57 | HvCallPci_BridgeDevice = 4, | |
58 | HvCallPci_MultiFunctionDevice = 5, | |
59 | HvCallPci_IoaDevice = 6 | |
1da177e4 LT |
60 | }; |
61 | ||
62 | ||
63 | struct HvCallPci_DeviceInfo { | |
45dc76aa | 64 | u32 deviceType; /* See DeviceType enum for values */ |
1da177e4 | 65 | }; |
45dc76aa | 66 | |
1da177e4 | 67 | struct HvCallPci_BusUnitInfo { |
45dc76aa SR |
68 | u32 sizeReturned; /* length of data returned */ |
69 | u32 deviceType; /* see DeviceType enum for values */ | |
1da177e4 LT |
70 | }; |
71 | ||
72 | struct HvCallPci_BridgeInfo { | |
45dc76aa SR |
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 */ | |
1da177e4 | 78 | }; |
1da177e4 | 79 | |
45dc76aa SR |
80 | |
81 | /* | |
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. | |
85 | */ | |
1da177e4 LT |
86 | enum {HvCallPci_MaxBusUnitInfoSize = 128}; |
87 | ||
88 | struct HvCallPci_BarParms { | |
89 | u64 vaddr; | |
90 | u64 raddr; | |
91 | u64 size; | |
92 | u64 protectStart; | |
93 | u64 protectEnd; | |
94 | u64 relocationOffset; | |
45dc76aa | 95 | u64 pciAddress; |
1da177e4 | 96 | u64 reserved[3]; |
45dc76aa | 97 | }; |
1da177e4 LT |
98 | |
99 | enum HvCallPci_VpdType { | |
45dc76aa | 100 | HvCallPci_BusVpd = 1, |
1da177e4 LT |
101 | HvCallPci_BusAdapterVpd = 2 |
102 | }; | |
103 | ||
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 | |
128 | ||
1da177e4 | 129 | static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber, |
45dc76aa | 130 | u8 deviceId, u32 offset, u16 *value) |
1da177e4 LT |
131 | { |
132 | struct HvCallPci_DsaAddr dsa; | |
133 | struct HvCallPci_LoadReturn retVal; | |
134 | ||
45dc76aa | 135 | *((u64*)&dsa) = 0; |
1da177e4 LT |
136 | |
137 | dsa.busNumber = busNumber; | |
138 | dsa.subBusNumber = subBusNumber; | |
139 | dsa.deviceId = deviceId; | |
140 | ||
141 | HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0); | |
142 | ||
1da177e4 LT |
143 | *value = retVal.value; |
144 | ||
145 | return retVal.rc; | |
146 | } | |
45dc76aa | 147 | |
66b3851a SR |
148 | static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber, |
149 | u8 deviceId, u32 offset, u32 *value) | |
150 | { | |
151 | struct HvCallPci_DsaAddr dsa; | |
152 | struct HvCallPci_LoadReturn retVal; | |
153 | ||
154 | *((u64*)&dsa) = 0; | |
155 | ||
156 | dsa.busNumber = busNumber; | |
157 | dsa.subBusNumber = subBusNumber; | |
158 | dsa.deviceId = deviceId; | |
159 | ||
160 | HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0); | |
161 | ||
162 | *value = retVal.value; | |
163 | ||
164 | return retVal.rc; | |
165 | } | |
166 | ||
45dc76aa SR |
167 | static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber, |
168 | u8 deviceId, u32 offset, u8 value) | |
1da177e4 LT |
169 | { |
170 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 171 | |
45dc76aa | 172 | *((u64*)&dsa) = 0; |
1da177e4 LT |
173 | |
174 | dsa.busNumber = busNumber; | |
175 | dsa.subBusNumber = subBusNumber; | |
176 | dsa.deviceId = deviceId; | |
177 | ||
6b7feecb | 178 | return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0); |
1da177e4 | 179 | } |
45dc76aa | 180 | |
45dc76aa SR |
181 | static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm, |
182 | u8 deviceIdParm) | |
1da177e4 LT |
183 | { |
184 | struct HvCallPci_DsaAddr dsa; | |
185 | struct HvCallPci_LoadReturn retVal; | |
186 | ||
187 | *((u64*)&dsa) = 0; | |
188 | ||
189 | dsa.busNumber = busNumberParm; | |
190 | dsa.subBusNumber = subBusParm; | |
191 | dsa.deviceId = deviceIdParm; | |
192 | ||
193 | HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa); | |
194 | ||
1da177e4 LT |
195 | return retVal.rc; |
196 | } | |
45dc76aa SR |
197 | |
198 | static inline u64 HvCallPci_getBarParms(u16 busNumberParm, u8 subBusParm, | |
199 | u8 deviceIdParm, u8 barNumberParm, u64 parms, u32 sizeofParms) | |
1da177e4 LT |
200 | { |
201 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 LT |
202 | |
203 | *((u64*)&dsa) = 0; | |
204 | ||
205 | dsa.busNumber = busNumberParm; | |
206 | dsa.subBusNumber = subBusParm; | |
207 | dsa.deviceId = deviceIdParm; | |
208 | dsa.barNumber = barNumberParm; | |
209 | ||
6b7feecb | 210 | return HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms); |
1da177e4 | 211 | } |
45dc76aa SR |
212 | |
213 | static inline u64 HvCallPci_maskFisr(u16 busNumberParm, u8 subBusParm, | |
214 | u8 deviceIdParm, u64 fisrMask) | |
1da177e4 LT |
215 | { |
216 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 217 | |
45dc76aa | 218 | *((u64*)&dsa) = 0; |
1da177e4 LT |
219 | |
220 | dsa.busNumber = busNumberParm; | |
221 | dsa.subBusNumber = subBusParm; | |
222 | dsa.deviceId = deviceIdParm; | |
223 | ||
6b7feecb | 224 | return HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask); |
1da177e4 | 225 | } |
45dc76aa SR |
226 | |
227 | static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm, | |
228 | u8 deviceIdParm, u64 fisrMask) | |
1da177e4 LT |
229 | { |
230 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 231 | |
45dc76aa | 232 | *((u64*)&dsa) = 0; |
1da177e4 LT |
233 | |
234 | dsa.busNumber = busNumberParm; | |
235 | dsa.subBusNumber = subBusParm; | |
236 | dsa.deviceId = deviceIdParm; | |
237 | ||
6b7feecb | 238 | return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask); |
1da177e4 | 239 | } |
45dc76aa | 240 | |
45dc76aa SR |
241 | static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm, |
242 | u8 deviceNumberParm, u64 parms, u32 sizeofParms) | |
1da177e4 LT |
243 | { |
244 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 LT |
245 | |
246 | *((u64*)&dsa) = 0; | |
247 | ||
248 | dsa.busNumber = busNumberParm; | |
249 | dsa.subBusNumber = subBusParm; | |
250 | dsa.deviceId = deviceNumberParm << 4; | |
251 | ||
6b7feecb | 252 | return HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms); |
1da177e4 | 253 | } |
45dc76aa SR |
254 | |
255 | static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm, u8 subBusParm, | |
256 | u8 deviceIdParm, u64 interruptMask) | |
1da177e4 LT |
257 | { |
258 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 259 | |
45dc76aa | 260 | *((u64*)&dsa) = 0; |
1da177e4 LT |
261 | |
262 | dsa.busNumber = busNumberParm; | |
263 | dsa.subBusNumber = subBusParm; | |
264 | dsa.deviceId = deviceIdParm; | |
265 | ||
6b7feecb | 266 | return HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask); |
1da177e4 | 267 | } |
45dc76aa SR |
268 | |
269 | static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm, u8 subBusParm, | |
270 | u8 deviceIdParm, u64 interruptMask) | |
1da177e4 LT |
271 | { |
272 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 273 | |
45dc76aa | 274 | *((u64*)&dsa) = 0; |
1da177e4 LT |
275 | |
276 | dsa.busNumber = busNumberParm; | |
277 | dsa.subBusNumber = subBusParm; | |
278 | dsa.deviceId = deviceIdParm; | |
279 | ||
6b7feecb | 280 | return HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask); |
1da177e4 | 281 | } |
1da177e4 | 282 | |
45dc76aa SR |
283 | static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm, u8 subBusParm, |
284 | u8 deviceIdParm, u64 parms, u32 sizeofParms) | |
1da177e4 LT |
285 | { |
286 | struct HvCallPci_DsaAddr dsa; | |
1da177e4 | 287 | |
45dc76aa | 288 | *((u64*)&dsa) = 0; |
1da177e4 LT |
289 | |
290 | dsa.busNumber = busNumberParm; | |
291 | dsa.subBusNumber = subBusParm; | |
292 | dsa.deviceId = deviceIdParm; | |
293 | ||
6b7feecb SR |
294 | return HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms, |
295 | sizeofParms); | |
1da177e4 | 296 | } |
1da177e4 | 297 | |
45dc76aa SR |
298 | static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm, |
299 | u16 sizeParm) | |
1da177e4 | 300 | { |
6b7feecb SR |
301 | u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm, |
302 | sizeParm, HvCallPci_BusVpd); | |
1da177e4 | 303 | if (xRc == -1) |
6b7feecb | 304 | return -1; |
1da177e4 | 305 | else |
6b7feecb | 306 | return xRc & 0xFFFF; |
1da177e4 | 307 | } |
1da177e4 | 308 | |
c6d2ea92 | 309 | #endif /* _PLATFORMS_ISERIES_CALL_PCI_H */ |