powerpc: move iSeries/HvCallPci.h to platforms/iseries/call_pci.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 290 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 000000000000..a86e065b9577
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/call_pci.h
@@ -0,0 +1,290 @@
+/*
+ * 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/HvCallSc.h>
+#include <asm/iSeries/HvTypes.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_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 */