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Commit 20f48ccf authored by Stephen Rothwell's avatar Stephen Rothwell
Browse files

powerpc: eliminate DsaAddr from pci_dn 



Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
parent bffa8fc3

arch/powerpc/platforms/iseries/iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ static void iommu_table_getparms(struct pci_dn *pdn, 


	memset(parms, 0, sizeof(*parms));



	parms->itc_busno = pdn->DsaAddr.Dsa.busNumber;

	parms->itc_busno = pdn->busno;

	parms->itc_slotno = pdn->LogicalSlot;

	parms->itc_virtbus = 0;

arch/powerpc/platforms/iseries/pci.c

+7 −13
Original line number Diff line number Diff line
@@ -223,13 +223,8 @@ static struct device_node *build_device_node(HvBusNumber Bus, 
	node->data = pdn;

	pdn->node = node;

	list_add_tail(&pdn->Device_List, &iSeries_Global_Device_List);

#if 0

	pdn->DsaAddr = ((u64)Bus << 48) + ((u64)SubBus << 40) + ((u64)0x10 << 32);

#endif

	pdn->DsaAddr.DsaAddr = 0;

	pdn->DsaAddr.Dsa.busNumber = Bus;

	pdn->DsaAddr.Dsa.subBusNumber = SubBus;

	pdn->DsaAddr.Dsa.deviceId = 0x10;

	pdn->busno = Bus;

	pdn->bussubno = SubBus;

	pdn->devfn = PCI_DEVFN(ISERIES_ENCODE_DEVICE(AgentId), Function);

	return node;

}
@@ -554,8 +549,7 @@ static struct device_node *find_Device_Node(int bus, int devfn) 
	struct pci_dn *pdn;



	list_for_each_entry(pdn, &iSeries_Global_Device_List, Device_List) {

		if ((bus == pdn->DsaAddr.Dsa.busNumber) &&

				(devfn == pdn->devfn))

		if ((bus == pdn->busno) && (devfn == pdn->devfn))

			return pdn->node;

	}

	return NULL;
@@ -612,7 +606,7 @@ static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn, 
	}



	fn = hv_cfg_read_func[(size - 1) & 3];

	HvCall3Ret16(fn, &ret, PCI_DN(node)->DsaAddr.DsaAddr, offset, 0);

	HvCall3Ret16(fn, &ret, iseries_ds_addr(node), offset, 0);



	if (ret.rc != 0) {

		*val = ~0;
@@ -640,7 +634,7 @@ static int iSeries_pci_write_config(struct pci_bus *bus, unsigned int devfn, 
		return PCIBIOS_BAD_REGISTER_NUMBER;



	fn = hv_cfg_write_func[(size - 1) & 3];

	ret = HvCall4(fn, PCI_DN(node)->DsaAddr.DsaAddr, offset, val, 0);

	ret = HvCall4(fn, iseries_ds_addr(node), offset, val, 0);



	if (ret != 0)

		return PCIBIOS_DEVICE_NOT_FOUND;
@@ -671,7 +665,7 @@ static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, 
		++Pci_Error_Count;

		(*retry)++;

		printk("PCI: %s: Device 0x%04X:%02X  I/O Error(%2d): 0x%04X\n",

				TextHdr, pdn->DsaAddr.Dsa.busNumber, pdn->devfn,

				TextHdr, pdn->busno, pdn->devfn,

				*retry, (int)ret);

		/*

		 * Bump the retry and check for retry count exceeded.
@@ -712,7 +706,7 @@ static inline struct device_node *xlate_iomm_address( 


	if (DevNode != NULL) {

		int barnum = iobar_table[TableIndex];

		*dsaptr = PCI_DN(DevNode)->DsaAddr.DsaAddr | (barnum << 24);

		*dsaptr = iseries_ds_addr(DevNode) | (barnum << 24);

		*BarOffsetPtr = BaseIoAddr % IOMM_TABLE_ENTRY_SIZE;

	} else

		panic("PCI: Invalid PCI IoAddress detected!\n");

arch/powerpc/platforms/iseries/pci.h

+13 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ 
 * End Change Activity

 */



#include <asm/pci-bridge.h>



struct pci_dev;				/* For Forward Reference */



/*
@@ -45,6 +47,17 @@ struct pci_dev; /* For Forward Reference */ 
#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus)		((subbus >> 5) & 0x7)

#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus)	((subbus >> 2) & 0x7)



/*

 * Generate a Direct Select Address for the Hypervisor

 */

static inline u64 iseries_ds_addr(struct device_node *node)

{

	struct pci_dn *pdn = PCI_DN(node);



	return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40)

			+ ((u64)0x10 << 32);

}



extern void	iSeries_Device_Information(struct pci_dev*, int);



#endif /* _PLATFORMS_ISERIES_PCI_H */

arch/powerpc/platforms/iseries/vpdinfo.c

+2 −2
Original line number Diff line number Diff line
@@ -258,8 +258,8 @@ void __init iSeries_Device_Information(struct pci_dev *PciDev, int count) 
	}



	pdn = PCI_DN(DevNode);

	bus = pdn->DsaAddr.Dsa.busNumber;

	subbus = pdn->DsaAddr.Dsa.subBusNumber;

	bus = pdn->busno;

	subbus = pdn->bussubno;

	agent = ISERIES_PCI_AGENTID(ISERIES_GET_DEVICE_FROM_SUBBUS(subbus),

			ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus));

	iSeries_Get_Location_Code(bus, agent, &frame, card);

include/asm-ppc64/iSeries/HvCallPci.h

+0 −243
Original line number Diff line number Diff line
@@ -126,25 +126,6 @@ enum HvCallPci_VpdType { 
#define HvCallPciUnmaskInterrupts	HvCallPci + 49

#define HvCallPciGetBusUnitInfo		HvCallPci + 50



static inline u64 HvCallPci_configLoad8(u16 busNumber, u8 subBusNumber,

		u8 deviceId, u32 offset, u8 *value)

{

	struct HvCallPci_DsaAddr dsa;

	struct HvCallPci_LoadReturn retVal;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumber;

	dsa.subBusNumber = subBusNumber;

	dsa.deviceId = deviceId;



	HvCall3Ret16(HvCallPciConfigLoad8, &retVal, *(u64 *)&dsa, offset, 0);



	*value = retVal.value;



	return retVal.rc;

}



static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,

		u8 deviceId, u32 offset, u16 *value)

{
@@ -164,25 +145,6 @@ static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber, 
	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)

{
@@ -197,186 +159,6 @@ static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber, 
	return HvCall4(HvCallPciConfigStore8, *(u64 *)&dsa, offset, value, 0);

}



static inline u64 HvCallPci_configStore16(u16 busNumber, u8 subBusNumber,

		u8 deviceId, u32 offset, u16 value)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumber;

	dsa.subBusNumber = subBusNumber;

	dsa.deviceId = deviceId;



	return HvCall4(HvCallPciConfigStore16, *(u64 *)&dsa, offset, value, 0);

}



static inline u64 HvCallPci_configStore32(u16 busNumber, u8 subBusNumber,

		u8 deviceId, u32 offset, u32 value)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumber;

	dsa.subBusNumber = subBusNumber;

	dsa.deviceId = deviceId;



	return HvCall4(HvCallPciConfigStore32, *(u64 *)&dsa, offset, value, 0);

}



static inline u64 HvCallPci_barLoad8(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u8 *valueParm)

{

	struct HvCallPci_DsaAddr dsa;

	struct HvCallPci_LoadReturn retVal;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	HvCall3Ret16(HvCallPciBarLoad8, &retVal, *(u64 *)&dsa, offsetParm, 0);



	*valueParm = retVal.value;



	return retVal.rc;

}



static inline u64 HvCallPci_barLoad16(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u16 *valueParm)

{

	struct HvCallPci_DsaAddr dsa;

	struct HvCallPci_LoadReturn retVal;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	HvCall3Ret16(HvCallPciBarLoad16, &retVal, *(u64 *)&dsa, offsetParm, 0);



	*valueParm = retVal.value;



	return retVal.rc;

}



static inline u64 HvCallPci_barLoad32(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u32 *valueParm)

{

	struct HvCallPci_DsaAddr dsa;

	struct HvCallPci_LoadReturn retVal;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	HvCall3Ret16(HvCallPciBarLoad32, &retVal, *(u64 *)&dsa, offsetParm, 0);



	*valueParm = retVal.value;



	return retVal.rc;

}



static inline u64 HvCallPci_barLoad64(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u64 *valueParm)

{

	struct HvCallPci_DsaAddr dsa;

	struct HvCallPci_LoadReturn retVal;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	HvCall3Ret16(HvCallPciBarLoad64, &retVal, *(u64 *)&dsa, offsetParm, 0);



	*valueParm = retVal.value;



	return retVal.rc;

}



static inline u64 HvCallPci_barStore8(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u8 valueParm)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	return HvCall4(HvCallPciBarStore8, *(u64 *)&dsa, offsetParm,

			valueParm, 0);

}



static inline u64 HvCallPci_barStore16(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u16 valueParm)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	return HvCall4(HvCallPciBarStore16, *(u64 *)&dsa, offsetParm,

			valueParm, 0);

}



static inline u64 HvCallPci_barStore32(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u32 valueParm)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	return HvCall4(HvCallPciBarStore32, *(u64 *)&dsa, offsetParm,

			valueParm, 0);

}



static inline u64 HvCallPci_barStore64(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u8 barNumberParm, u64 offsetParm,

		u64 valueParm)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;

	dsa.barNumber = barNumberParm;



	return HvCall4(HvCallPciBarStore64, *(u64 *)&dsa, offsetParm,

			valueParm, 0);

}



static inline u64 HvCallPci_eoi(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm)

{
@@ -437,20 +219,6 @@ static inline u64 HvCallPci_unmaskFisr(u16 busNumberParm, u8 subBusParm, 
	return HvCall2(HvCallPciUnmaskFisr, *(u64*)&dsa, fisrMask);

}



static inline u64 HvCallPci_setSlotReset(u16 busNumberParm, u8 subBusParm,

		u8 deviceIdParm, u64 onNotOff)

{

	struct HvCallPci_DsaAddr dsa;



	*((u64*)&dsa) = 0;



	dsa.busNumber = busNumberParm;

	dsa.subBusNumber = subBusParm;

	dsa.deviceId = deviceIdParm;



	return HvCall2(HvCallPciSetSlotReset, *(u64*)&dsa, onNotOff);

}



static inline u64 HvCallPci_getDeviceInfo(u16 busNumberParm, u8 subBusParm,

		u8 deviceNumberParm, u64 parms, u32 sizeofParms)

{
@@ -519,15 +287,4 @@ static inline int HvCallPci_getBusVpd(u16 busNumParm, u64 destParm, 
		return xRc & 0xFFFF;

}



static inline int HvCallPci_getBusAdapterVpd(u16 busNumParm, u64 destParm,

		u16 sizeParm)

{

	u64 xRc = HvCall4(HvCallPciGetCardVpd, busNumParm, destParm,

			sizeParm, HvCallPci_BusAdapterVpd);

	if (xRc == -1)

		return -1;

	else

		return xRc & 0xFFFF;

}



#endif /* _HVCALLPCI_H */