1 files changed, 309 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/call_pci.h b/arch/powerpc/platforms/iseries/call_pci.h
new file mode 100644
index 00000000000..dbdf69850ed
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/call_pci.h
@@ -0,0 +1,309 @@
+/*
+ * Provides the Hypervisor PCI calls for iSeries Linux Parition.
+ * Copyright (C) 2001  <Wayne G Holm> <IBM Corporation>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the:
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330,
+ * Boston, MA  02111-1307  USA
+ *
+ * Change Activity:
+ *   Created, Jan 9, 2001
+ */
+
+#ifndef _PLATFORMS_ISERIES_CALL_PCI_H
+#define _PLATFORMS_ISERIES_CALL_PCI_H
+
+#include <asm/iseries/hv_call_sc.h>
+#include <asm/iseries/hv_types.h>
+
+/*
+ * DSA == Direct Select Address
+ * this struct must be 64 bits in total
+ */
+struct HvCallPci_DsaAddr {
+        u16             busNumber;              /* PHB index? */
+        u8              subBusNumber;           /* PCI bus number? */
+        u8              deviceId;               /* device and function? */
+        u8              barNumber;
+        u8              reserved[3];
+};
+
+union HvDsaMap {
+        u64     DsaAddr;
+        struct HvCallPci_DsaAddr Dsa;
+};
+
+struct HvCallPci_LoadReturn {
+        u64             rc;
+        u64             value;
+};
+
+enum HvCallPci_DeviceType {
+        HvCallPci_NodeDevice    = 1,
+        HvCallPci_SpDevice      = 2,
+        HvCallPci_IopDevice     = 3,
+        HvCallPci_BridgeDevice  = 4,
+        HvCallPci_MultiFunctionDevice = 5,
+        HvCallPci_IoaDevice     = 6
+};
+
+
+struct HvCallPci_DeviceInfo {
+        u32     deviceType;             /* See DeviceType enum for values */
+};
+
+struct HvCallPci_BusUnitInfo {
+        u32     sizeReturned;           /* length of data returned */
+        u32     deviceType;             /* see DeviceType enum for values */
+};
+
+struct HvCallPci_BridgeInfo {
+        struct HvCallPci_BusUnitInfo busUnitInfo;  /* Generic bus unit info */
+        u8              subBusNumber;   /* Bus number of secondary bus */
+        u8              maxAgents;      /* Max idsels on secondary bus */
+        u8              maxSubBusNumber; /* Max Sub Bus */
+        u8              logicalSlotNumber; /* Logical Slot Number for IOA */
+};
+
+
+/*
+ * Maximum BusUnitInfo buffer size.  Provided for clients so
+ * they can allocate a buffer big enough for any type of bus
+ * unit.  Increase as needed.
+ */
+enum {HvCallPci_MaxBusUnitInfoSize = 128};
+
+struct HvCallPci_BarParms {
+        u64             vaddr;
+        u64             raddr;
+        u64             size;
+        u64             protectStart;
+        u64             protectEnd;
+        u64             relocationOffset;
+        u64             pciAddress;
+        u64             reserved[3];
+};
+
+enum HvCallPci_VpdType {
+        HvCallPci_BusVpd        = 1,
+        HvCallPci_BusAdapterVpd = 2
+};
+
+#define HvCallPciConfigLoad8            HvCallPci + 0
+#define HvCallPciConfigLoad16           HvCallPci + 1
+#define HvCallPciConfigLoad32           HvCallPci + 2
+#define HvCallPciConfigStore8           HvCallPci + 3
+#define HvCallPciConfigStore16          HvCallPci + 4
+#define HvCallPciConfigStore32          HvCallPci + 5
+#define HvCallPciEoi                    HvCallPci + 16
+#define HvCallPciGetBarParms            HvCallPci + 18
+#define HvCallPciMaskFisr               HvCallPci + 20
+#define HvCallPciUnmaskFisr             HvCallPci + 21
+#define HvCallPciSetSlotReset           HvCallPci + 25
+#define HvCallPciGetDeviceInfo          HvCallPci + 27
+#define HvCallPciGetCardVpd             HvCallPci + 28
+#define HvCallPciBarLoad8               HvCallPci + 40
+#define HvCallPciBarLoad16              HvCallPci + 41
+#define HvCallPciBarLoad32              HvCallPci + 42
+#define HvCallPciBarLoad64              HvCallPci + 43
+#define HvCallPciBarStore8              HvCallPci + 44
+#define HvCallPciBarStore16             HvCallPci + 45
+#define HvCallPciBarStore32             HvCallPci + 46
+#define HvCallPciBarStore64             HvCallPci + 47
+#define HvCallPciMaskInterrupts         HvCallPci + 48
+#define HvCallPciUnmaskInterrupts       HvCallPci + 49
+#define HvCallPciGetBusUnitInfo         HvCallPci + 50
+
+static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
+                u8 deviceId, u32 offset, u16 *value)
+{
+        struct HvCallPci_DsaAddr dsa;
+        struct HvCallPci_LoadReturn retVal;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumber;
+        dsa.subBusNumber = subBusNumber;
+        dsa.deviceId = deviceId;
+
+        HvCall3Ret16(HvCallPciConfigLoad16, &retVal, *(u64 *)&dsa, offset, 0);
+
+        *value = retVal.value;
+
+        return retVal.rc;
+}
+
+static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber,
+                u8 deviceId, u32 offset, u32 *value)
+{
+        struct HvCallPci_DsaAddr dsa;
+        struct HvCallPci_LoadReturn retVal;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumber;
+        dsa.subBusNumber = subBusNumber;
+        dsa.deviceId = deviceId;
+
+        HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0);
+
+        *value = retVal.value;
+
+        return retVal.rc;
+}
+
+static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
+                u8 deviceId, u32 offset, u8 value)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumber;
+        dsa.subBusNumber = subBusNumber;
+        dsa.deviceId = deviceId;
+
+        return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);
+}
+
+static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm)
+{
+        struct HvCallPci_DsaAddr dsa;
+        struct HvCallPci_LoadReturn retVal;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        HvCall1Ret16(HvCallPciEoi, &retVal, *(u64*)&dsa);
+
+        return retVal.rc;
+}
+
+static inline u64 HvCallPci_getBarParms(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u8 barNumberParm, u64 parms, u32 sizeofParms)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+        dsa.barNumber = barNumberParm;
+
+        return HvCall3(HvCallPciGetBarParms, *(u64*)&dsa, parms, sizeofParms);
+}
+
+static inline u64 HvCallPci_maskFisr(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u64 fisrMask)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        return HvCall2(HvCallPciMaskFisr, *(u64*)&dsa, fisrMask);
+}
+
+static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u64 fisrMask)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);
+}
+
+static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm,
+                u8 deviceNumberParm, u64 parms, u32 sizeofParms)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceNumberParm << 4;
+
+        return HvCall3(HvCallPciGetDeviceInfo, *(u64*)&dsa, parms, sizeofParms);
+}
+
+static inline u64 HvCallPci_maskInterrupts(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u64 interruptMask)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        return HvCall2(HvCallPciMaskInterrupts, *(u64*)&dsa, interruptMask);
+}
+
+static inline u64 HvCallPci_unmaskInterrupts(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u64 interruptMask)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        return HvCall2(HvCallPciUnmaskInterrupts, *(u64*)&dsa, interruptMask);
+}
+
+static inline u64 HvCallPci_getBusUnitInfo(u16 busNumberParm, u8 subBusParm,
+                u8 deviceIdParm, u64 parms, u32 sizeofParms)
+{
+        struct HvCallPci_DsaAddr dsa;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumberParm;
+        dsa.subBusNumber = subBusParm;
+        dsa.deviceId = deviceIdParm;
+
+        return HvCall3(HvCallPciGetBusUnitInfo, *(u64*)&dsa, parms,
+                        sizeofParms);
+}
+
+static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm,
+                u16 sizeParm)
+{
+        u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm,
+                        sizeParm, HvCallPci_BusVpd);
+        if (xRc == -1)
+                return -1;
+        else
+                return xRc & 0xFFFF;
+}
+
+#endif /* _PLATFORMS_ISERIES_CALL_PCI_H */