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IOPCIConfigurator.cpp
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IOPCIConfigurator.cpp
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/*
* Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 2.0 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <IOKit/assert.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOPlatformExpert.h>
#include <IOKit/pci/IOPCIPrivate.h>
#include <IOKit/pci/IOPCIConfigurator.h>
#if ACPI_SUPPORT
#include <IOKit/acpi/IOACPIPlatformDevice.h>
#endif
__BEGIN_DECLS
#if defined(__i386__) || defined(__x86_64__)
#include <i386/cpuid.h>
#include <i386/cpu_number.h>
extern void mp_rendezvous_no_intrs(
void (*action_func)(void *),
void *arg);
extern void mp_rendezvous(
void (*setup_func)(void *),
void (*action_func)(void *),
void (*teardown_func)(void *),
void *arg);
#define PROBE_DISABLE_INTERRUPTS true
#else /* defined(__i386__) || defined(__x86_64__) */
#define NO_RENDEZVOUS_KERNEL 1
#define cpu_number() (0)
#define PROBE_DISABLE_INTERRUPTS false
#define KB (1024ULL)
#define MB (1024ULL*KB)
#define GB (1024ULL*MB)
#endif /* ! defined(__i386__) || defined(__x86_64__) */
__END_DECLS
#define PFM64_SIZE (2ULL*GB)
#define PFM64_MIN_SIZE (512*MB)
#define PFM64_MAX_SIZE (16ULL*GB)
#define MAX_BAR_SIZE (1ULL*GB)
// NPHYSMAP; unfortunately this is too low to decode to PCI on some machines
// #define PFM64_MAX (512LL*GB)
// cap to 32b page number max address
#define PFM64_MAX (1ULL<<44)
#define DLOGC(configurator, fmt, args...) \
do { \
if ((configurator->fFlags & kIOPCIConfiguratorIOLog) && !ml_at_interrupt_context()) \
IOLog(fmt, ## args); \
if (configurator->fFlags & kIOPCIConfiguratorKPrintf) \
kprintf(fmt, ## args); \
} while(0)
#define DLOG(fmt, args...) DLOGC(this, fmt, ## args);
#define DLOGI(fmt, args...) do { if (dolog) DLOG(fmt, ## args); } while (0);
#define DLOG_RANGE(name, range) if (range) { \
DLOG(name": start/size = 0x%08llx:0x%08llx,0x%08llx\n", \
range->start, \
range->size, \
range->proposedSize) }
#define DLOGI_RANGE(name, range) do { if (dolog) DLOG_RANGE(name, range); } while (0);
static const char * gPCIResourceTypeName[kIOPCIResourceTypeCount] =
{
"MEM", "PFM", "I/O", "BUS"
};
#define BRN(type) ((type) + kIOPCIRangeBridgeMemory)
#define D() "[i%x]%u:%u:%u(0x%x:0x%x)"
#define DEVICE_IDENT(device) \
device->id, \
PCI_ADDRESS_TUPLE(device), \
(device->vendorProduct & 0xffff), \
(device->vendorProduct >> 16)
#define B() "[i%x]%u:%u:%u(%u:%u)"
#define BRIDGE_IDENT(bridge) \
bridge->id, PCI_ADDRESS_TUPLE(bridge), bridge->secBusNum, bridge->subBusNum
static const IOPCIScalar minBridgeAlignments[kIOPCIResourceTypeCount] = {
kPCIBridgeMemoryAlignment, kPCIBridgeMemoryAlignment,
kPCIBridgeIOAlignment, kPCIBridgeBusNumberAlignment
};
static const IOPCIScalar maxBridgeAddressDefault[kIOPCIResourceTypeCount] = {
0xFFFFFFFF, 0xFFFFFFFF,
0xFFFF, 0xFF
};
// Never allocate ranges below 1K I/O and 1MB Memory to avoid
// stomping on legacy ISA, and VGA ranges.
static const IOPCIScalar minBARAddressDefault[kIOPCIResourceTypeCount] = {
kPCIBridgeMemoryAlignment, kPCIBridgeMemoryAlignment,
0x400, 0
};
#if ACPI_SUPPORT
static IOACPIPlatformDevice * IOPCICopyACPIDevice(IORegistryEntry * device);
#endif
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#define CLASS IOPCIConfigurator
#define super IOService
OSDefineMetaClassAndStructors( IOPCIConfigurator, IOService )
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
bool CLASS::init(IOWorkLoop * wl, uint32_t flags)
{
uint64_t pfmSize;
if (!super::init()) return false;
fWL = wl;
fFlags = flags;
fPFM64Size = PFM64_SIZE;
fResetStartTime = 0;
fResetWaitTime = 0;
if (PE_parse_boot_argn("pci64", &pfmSize, sizeof(pfmSize)))
{
pfmSize *= MB;
if ((pfmSize <= PFM64_MAX_SIZE) && (pfmSize >= PFM64_MIN_SIZE)) fPFM64Size = pfmSize;
}
// Fetch global resources
if (!createRoot()) return false;
return (true);
}
IOWorkLoop * CLASS::getWorkLoop() const
{
return (fWL);
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
IOPCIConfigEntry * CLASS::findEntry(IORegistryEntry * from, IOPCIAddressSpace space)
{
IOPCIConfigEntry * child;
IOPCIConfigEntry * entry;
IOPCIConfigEntry * next;
uint8_t bus, dev, func;
bus = space.s.busNum;
dev = space.s.deviceNum;
func = space.s.functionNum;
next = fRoot;
child = NULL;
// find the IORegistryEntry root bridge as a point of reference for the BDF search
while(from != NULL)
{
IORegistryEntry* parent = from->getParentEntry(gIOServicePlane);
if ( (OSDynamicCast(IOPCIDevice, parent) == NULL)
&& (OSDynamicCast(IOPCIBridge, parent) == NULL))
{
break;
}
from = parent;
}
while ((entry = next))
{
next = NULL;
for (child = entry->child; child; child = child->peer)
{
if (child->hostBridge != from) continue;
if (bus == entry->secBusNum)
{
if (dev != child->space.s.deviceNum) continue;
if (func != child->space.s.functionNum) continue;
break;
}
if (!child->isBridge) continue;
else if (bus < child->secBusNum) continue;
else if (bus > child->subBusNum) continue;
next = child;
break;
}
}
return (child);
}
bool CLASS::rangeListContains(IOPCIRange *range, IOPCIScalar address)
{
while (range)
{
DLOG("Comparing address %lx to range [%lx,%lx]\n", address, range->start, range->end);
if (range->start <= address && address < range->end) return true;
range = range->next;
}
return false;
}
IOPCIConfigEntry * CLASS::findEntryByAddress(IORegistryEntry * from, IOPCIScalar address)
{
IOPCIConfigEntry * child;
IOPCIConfigEntry * entry;
IOPCIConfigEntry * next;
next = fRoot;
child = NULL;
// find the IORegistryEntry root bridge as a point of reference for the search
while(from != NULL)
{
IORegistryEntry* parent = from->getParentEntry(gIOServicePlane);
if ( (OSDynamicCast(IOPCIDevice, parent) == NULL)
&& (OSDynamicCast(IOPCIBridge, parent) == NULL))
{
break;
}
from = parent;
}
while ((entry = next))
{
next = NULL;
for (child = entry->child; child; child = child->peer)
{
if (child->hostBridge != from) continue;
DLOG("Checking device " D() "\n", DEVICE_IDENT(child));
if (!child->isBridge)
{
for (int idx = kIOPCIRangeBAR0; idx <= kIOPCIRangeExpansionROM; idx++)
{
if (child->ranges[idx])
DLOG("Comparing address %lx to BAR%u\n", address, idx);
if (rangeListContains(child->ranges[idx], address))
{
DLOG("[%s()] Found a match with " D() "\n", __func__, DEVICE_IDENT(child));
return child;
}
}
}
else
{
if ( rangeListContains(child->ranges[kIOPCIRangeBridgeMemory], address)
|| rangeListContains(child->ranges[kIOPCIRangeBridgePFMemory], address))
{
DLOG("[%s()] Found a match with bridge " B() "\n", __func__, BRIDGE_IDENT(child));
next = child;
break;
}
}
}
}
return (child);
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
IOReturn CLASS::configOp(IOService * device, uintptr_t op, void * arg, void * arg2)
{
IOReturn ret = kIOReturnUnsupported;
IOPCIConfigEntry * entry = NULL;
IOPCIDevice * pciDevice;
if ((pciDevice = OSDynamicCast(IOPCIDevice, device)))
entry = pciDevice->reserved->configEntry;
switch (op)
{
case kConfigOpAddHostBridge:
ret = addHostBridge(OSDynamicCast(IOPCIHostBridge, device));
return (ret);
break;
case kConfigOpGetState:
if (!entry) *((uint32_t *) arg) = kPCIDeviceStateDead;
else
{
*((uint32_t *) arg) = entry->deviceState;
}
ret = kIOReturnSuccess;
return (ret);
break;
case kConfigOpFindEntry:
entry = findEntry(device, *((IOPCIAddressSpace *) arg2));
*((void **) arg) = NULL;
if (!entry || !entry->dtNub) ret = kIOReturnNotFound;
else
{
entry->dtNub->retain();
*((void **) arg) = entry->dtNub;
ret = kIOReturnSuccess;
}
return (ret);
break;
case kConfigOpFindEntryByAddress:
entry = findEntryByAddress(device, *((IOPCIScalar *) arg2));
*((void **) arg) = NULL;
if (!entry || !entry->dtNub) ret = kIOReturnNotFound;
else
{
entry->dtNub->retain();
*((void **) arg) = entry->dtNub;
ret = kIOReturnSuccess;
}
return (ret);
break;
case kConfigOpTerminated:
if (entry)
{
DLOG("kConfigOpTerminated at " D() "\n", DEVICE_IDENT(entry));
bridgeRemoveChild(entry->parent, entry);
}
ret = kIOReturnSuccess;
return (ret);
break;
}
if (!entry) return (kIOReturnBadArgument);
switch (op)
{
case kConfigOpNeedsScan:
entry->deviceState &= ~kPCIDeviceStateScanned;
ret = kIOReturnSuccess;
break;
case kConfigOpLinkInt:
entry->deviceState |= kPCIDeviceStateLinkInt;
ret = kIOReturnSuccess;
break;
case kConfigOpShadowed:
entry->configShadow = (uint8_t *) arg;
ret = kIOReturnSuccess;
if (!arg) break;
/* fall thru */
case kConfigOpPaused:
DLOG("kConfigOpPaused%s at " D() "\n",
op == kConfigOpShadowed ? "(shadowed)" : "", DEVICE_IDENT(entry));
if (kPCIDeviceStateRequestPause & entry->deviceState)
{
entry->deviceState &= ~kPCIDeviceStateRequestPause;
entry->deviceState &= ~kPCIDeviceStateAllocated;
fWaitingPause--;
}
if (!(kPCIDeviceStatePaused & entry->deviceState))
{
#if 0
uint32_t reg32;
reg32 = entry->pausedCommand = configRead16(entry, kIOPCIConfigCommand);
reg32 &= ~(kIOPCICommandIOSpace
| kIOPCICommandMemorySpace
| kIOPCICommandBusLead);
reg32 |= kIOPCICommandInterruptDisable;
configWrite16(entry, kIOPCIConfigCommand, reg32);
if (entry->isBridge)
{
entry->rangeBaseChanges |= (1 << kIOPCIRangeBridgeBusNumber);
reg32 = configRead32(entry, kPCI2PCIPrimaryBus);
reg32 &= ~0x00ffffff;
configWrite32(entry, kPCI2PCIPrimaryBus, reg32);
}
#endif
entry->deviceState |= kPCIDeviceStatePaused;
}
ret = kIOReturnSuccess;
break;
case kConfigOpUnpaused:
if (kPCIDeviceStatePaused & entry->deviceState)
{
DLOG("kConfigOpUnpaused at " D() "\n", DEVICE_IDENT(entry));
// configWrite16(entry, kIOPCIConfigCommand, entry->pausedCommand);
entry->deviceState &= ~kPCIDeviceStatePaused;
}
ret = kIOReturnSuccess;
break;
case kConfigOpTestPause:
ret = kIOReturnSuccess;
break;
case kConfigOpScan:
if (kPCIDeviceStateScanned & entry->deviceState)
{
*((void **)arg) = NULL;
ret = kIOReturnSuccess;
return (ret);
break;
}
// always reset regs due to hotp interrupt clearing memory ranges
entry->rangeBaseChanges |= ((1 << kIOPCIRangeBridgeMemory)
| (1 << kIOPCIRangeBridgePFMemory));
// fall thru
case kConfigOpRealloc:
DLOG("[ PCI configuration begin ]\n");
fChangedServices = OSSet::withCapacity(8);
configure(0);
DLOG("[ PCI configuration end, bridges %d, devices %d, changed %d, waiting %d ]\n",
fBridgeCount, fDeviceCount, fChangedServices->getCount(), fWaitingPause);
if (entry)
{
entry->deviceState &= ~kPCIDeviceStateLinkInt;
}
if (arg)
{
*((void **)arg) = fChangedServices;
}
else
{
fChangedServices->release();
}
fChangedServices = 0;
ret = kIOReturnSuccess;
return (ret);
break;
case kConfigOpEject:
entry->deviceState |= kPCIDeviceStateEjected;
ret = kIOReturnSuccess;
break;
case kConfigOpKill:
entry->deviceState |= kPCIDeviceStateToKill;
ret = kIOReturnSuccess;
break;
case kConfigOpProtect:
entry->deviceState = (entry->deviceState & ~(kPCIDeviceStateConfigRProtect|kPCIDeviceStateConfigWProtect))
| (*((uint32_t *) arg));
DLOG("kConfigOpProtect at " D() " prot %x\n",
DEVICE_IDENT(entry), *((uint32_t *) arg));
ret = kIOReturnSuccess;
break;
}
return (ret);
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#if ACPI_SUPPORT
void CLASS::removeFixedRanges(IOPCIConfigEntry * bridge)
{
IORegistryIterator * iter;
IOService * service;
OSOrderedSet * all;
OSArray * array;
IOMemoryDescriptor * mem;
uint32_t idx, type;
IOPCIRange * range;
uint64_t start, size;
bool ok;
range = NULL;
iter = IORegistryIterator::iterateOver(bridge->acpiDevice, gIOPCIACPIPlane, kIORegistryIterateRecursively);
if (iter)
{
all = iter->iterateAll();
iter->release();
if (all)
{
for ( ; (service = (IOService *) all->getFirstObject()); all->removeObject(service))
{
array = service->getDeviceMemory();
if (!array)
continue;
for (idx = 0; (mem = (IOMemoryDescriptor *) array->getObject(idx)); idx++)
{
type = mem->getTag();
start = mem->getPhysicalSegment(0, NULL, kIOMemoryMapperNone);
size = mem->getLength();
if (kIOACPIMemoryRange == type)
type = kIOPCIResourceTypeMemory;
else if (kIOACPIIORange == type)
{
if (start < 0x1000)
continue;
if ((start == 0xFFFF) && (size == 0x0001))
continue;
type = kIOPCIResourceTypeIO;
}
else
continue;
if (!range)
range = IOPCIRangeAlloc();
IOPCIRangeInit(range, type, start, size, 1);
ok = IOPCIRangeListAllocateSubRange(bridge->ranges[BRN(type)], range);
DLOG("%s: %sfixed alloc type %d, 0x%llx len 0x%llx\n",
service->getName(), ok ? "" : "!", type, start, size);
if (ok)
range = NULL;
}
}
all->release();
}
}
if (range)
IOPCIRangeFree(range);
}
#endif
bool CLASS::createRoot(void)
{
IOPCIConfigEntry * root;
root = IOMallocType(IOPCIConfigEntry);
if (!root) return (false);
root->id = ++fNextID;
root->isHostBridge = true;
root->isBridge = true;
root->secBusNum = 0xff;
root->subDeviceNum = 0;
root->endDeviceNum = 31;
IOLog ("pci (build %s %s), flags 0x%x\n", __TIME__, __DATE__, gIOPCIFlags);
kprintf("pci (build %s %s), flags 0x%x\n", __TIME__, __DATE__, gIOPCIFlags);
root->deviceState |= kPCIDeviceStateScanned | kPCIDeviceStateConfigurationDone;
fRoot = root;
return (true);
}
IOReturn CLASS::addHostBridge(IOPCIHostBridge * hostBridge)
{
IOPCIConfigEntry * bridge;
IOPCIAddressSpace space;
IOPCIRange * range;
uint64_t start, size;
bool ok, hasHostMemory, hasHost64;
bridge = IOMallocType(IOPCIConfigEntry);
if (!bridge) return (kIOReturnNoMemory);
bridge->id = ++fNextID;
bridge->classCode = 0x060000;
bridge->headerType = kPCIHeaderType1;
bridge->secBusNum = hostBridge->firstBusNum();
bridge->subBusNum = hostBridge->lastBusNum();
bridge->subDeviceNum = 0;
bridge->endDeviceNum = 31;
//#warning bus52
// if (bridge->subBusNum > 250) bridge->subBusNum = 52;
bridge->space = hostBridge->getBridgeSpace();
bridge->dtNub = hostBridge->getProvider();
bridge->dtEntry = bridge->dtNub;
#if ACPI_SUPPORT
bridge->acpiDevice = IOPCICopyACPIDevice(bridge->dtNub);
#endif
bridge->hostBridge = hostBridge;
bridge->isHostBridge = true;
bridge->isBridge = true;
bridge->supportsHotPlug = kPCIStatic;
bridge->hostBridgeEntry = bridge;
if (OSDynamicCast(IOPCIDevice, bridge->dtNub)) panic("!host bridge");
// expressEndpointMaxReadRequestSize override only applies to endpoint devices
bridge->expressEndpointMaxReadRequestSize = -1;
if (bridge->dtNub->getProperty(kIOPCIExpressEndpointMaxReadRequestSize))
{
OSData* maxReadRequestSizeOverride = NULL;
maxReadRequestSizeOverride = OSDynamicCast(OSData, bridge->dtNub->getProperty(kIOPCIExpressEndpointMaxReadRequestSize));
if(maxReadRequestSizeOverride != NULL)
{
assert(maxReadRequestSizeOverride->getLength() == sizeof(uint32_t));
bridge->expressEndpointMaxReadRequestSize = *reinterpret_cast<const uint32_t*>(maxReadRequestSizeOverride->getBytesNoCopy());
DLOG("MRRS override = %u\n", bridge->expressEndpointMaxReadRequestSize)
}
}
space.bits = 0;
fRootVendorProduct = configRead32(bridge, kIOPCIConfigVendorID, &space);
#if defined(__i386__) || defined(__x86_64__)
if ( (0x27A08086 == fRootVendorProduct)
|| (0x27AC8086 == fRootVendorProduct)
|| (0x25C08086 == fRootVendorProduct)
|| (CPUID_FEATURE_VMM & cpuid_features()))
#endif
fFlags &= ~kIOPCIConfiguratorPFM64;
DLOG("root id 0x%x, flags 0x%x\n", fRootVendorProduct, (int) fFlags);
range = IOPCIRangeAlloc();
start = bridge->secBusNum;
size = bridge->subBusNum - bridge->secBusNum + 1;
DLOG("host bridge acpi bus range 0x%llx len 0x%llx\n", start, size);
IOPCIRangeInitAlloc(range, kIOPCIResourceTypeBusNumber, start, size, kPCIBridgeBusNumberAlignment);
bridge->ranges[kIOPCIRangeBridgeBusNumber] = range;
DLOG("added(%s) host bridge resource %s 0x%llx len 0x%llx\n",
"ok", gPCIResourceTypeName[kIOPCIResourceTypeBusNumber],
range->start, range->size);
for (int type = hasHostMemory = hasHost64 = 0; type < kIOPCIResourceTypeCount; type++)
{
IOPCIRange * thisRange;
for (thisRange = hostBridge->reserved->rangeLists[type];
thisRange;
thisRange = thisRange->next)
{
start = thisRange->start;
size = thisRange->size;
DLOG("reported host bridge resource %s 0x%llx len 0x%llx\n",
gPCIResourceTypeName[type],
start, size);
ok = IOPCIRangeListAddRange(&bridge->ranges[BRN(type)],
type, start, size);
DLOG("added(%s) host bridge resource %s 0x%llx len 0x%llx\n",
ok ? "ok" : "!", gPCIResourceTypeName[type],
start, size);
if (!ok) continue;
if ((kIOPCIResourceTypeMemory == type) || (kIOPCIResourceTypePrefetchMemory == type))
{
hasHostMemory = true;
hasHost64 |= (0 != (start >> 32));
}
}
}
#if ACPI_SUPPORT
if (bridge->acpiDevice)
removeFixedRanges(bridge);
if (hasHostMemory && !hasHost64 && !fAddedHost64)
{
uint64_t start, size;
uint32_t cpuPhysBits;
cpuPhysBits = cpuid_info()->cpuid_address_bits_physical;
size = fPFM64Size;
start = (1ULL << cpuPhysBits);
if (start > PFM64_MAX) start = PFM64_MAX;
start -= size;
ok = IOPCIRangeListAddRange(&bridge->ranges[kIOPCIRangeBridgeMemory],
kIOPCIResourceTypeMemory, start, size);
DLOG("added(%s) host bridge pfm64 (%d cpu) 0x%llx, 0x%llx\n",
ok ? "ok" : "!", cpuPhysBits, start, size);
fAddedHost64 = ok;
}
#endif /* ACPI_SUPPORT */
bridge->deviceState |= kPCIDeviceStateConfigurationDone;
bridgeAddChild(fRoot, bridge);
configure(kIOPCIConfiguratorBoot);
return (kIOReturnSuccess);
}
void CLASS::free( void )
{
super::free();
}
//---------------------------------------------------------------------------
void CLASS::constructAddressingProperties(IOPCIConfigEntry * device, OSDictionary * propTable)
{
IOPCIRange * range;
IOPCIPhysicalAddress regData;
OSString * string;
OSData * prop;
OSData * regProp;
OSData * assignedProp;
OSData * rangeProp;
char tuple[64];
size_t len;
len = snprintf(tuple, sizeof(tuple), "%u:%u:%u", PCI_ADDRESS_TUPLE(device));
if (device->isBridge && (len < sizeof(tuple)))
{
snprintf(&tuple[len], sizeof(tuple) - len, "(%u:%u)", device->secBusNum, device->subBusNum);
}
string = OSString::withCString(tuple);
if (string)
{
propTable->setObject("pcidebug", string);
string->release();
}
assignedProp = OSData::withCapacity(32);
regProp = OSData::withCapacity(32);
rangeProp = OSData::withCapacity(32);
if (!assignedProp || !regProp || !rangeProp)
return;
regData.physHi = device->space;
regData.physMid = 0;
regData.physLo = 0;
regData.lengthHi = 0;
regData.lengthLo = 0;
regProp->appendBytes(®Data, sizeof(regData));
for (uint32_t i = 0; i < kIOPCIRangeCount; i++)
{
static const uint8_t barRegisters[kIOPCIRangeExpansionROM + 1] = {
kIOPCIConfigBaseAddress0, kIOPCIConfigBaseAddress1, kIOPCIConfigBaseAddress2,
kIOPCIConfigBaseAddress3, kIOPCIConfigBaseAddress4, kIOPCIConfigBaseAddress5,
kIOPCIConfigExpansionROMBase
};
range = device->ranges[i];
if (!range)
continue;
if (kIOPCIResourceTypeBusNumber == range->type)
continue;
regData.physHi = device->space;
switch (range->type)
{
case kIOPCIResourceTypeMemory:
regData.physHi.s.space = kIOPCI32BitMemorySpace;
break;
case kIOPCIResourceTypePrefetchMemory:
regData.physHi.s.space = kIOPCI32BitMemorySpace;
regData.physHi.s.prefetch = 1;
break;
case kIOPCIResourceTypeIO:
regData.physHi.s.space = kIOPCIIOSpace;
break;
}
regData.physMid = 0;
regData.physLo = 0;
regData.lengthHi = (range->size >> 32ULL);
regData.lengthLo = static_cast<UInt32>(range->size);
if (i <= kIOPCIRangeExpansionROM)
{
regData.physHi.s.registerNum = barRegisters[i];
if (range->start)
{
IOPCIPhysicalAddress assignedData;
assignedData = regData;
assignedData.physHi.s.reloc = 1;
assignedData.physMid = (range->start >> 32ULL);
assignedData.physLo = static_cast<UInt32>(range->start);
assignedProp->appendBytes(&assignedData, sizeof(assignedData));
}
// reg gets requested length
regData.lengthHi = (range->proposedSize >> 32ULL);
regData.lengthLo = static_cast<UInt32>(range->proposedSize);
regProp->appendBytes(®Data, sizeof(regData));
}
else
{
regData.physHi.s.reloc = 1;
regData.physMid = (range->start >> 32ULL);
regData.physLo = static_cast<UInt32>(range->start);
regData.physHi.s.busNum = 0;
regData.physHi.s.deviceNum = 0;
regData.physHi.s.functionNum = 0;
regData.physHi.s.registerNum = 0;
rangeProp->appendBytes(®Data, sizeof(regData.physHi) + sizeof(regData.physMid) + sizeof(regData.physLo));
rangeProp->appendBytes(®Data, sizeof(regData));
}
}
propTable->setObject("reg", regProp);
regProp->release();
if (assignedProp->getLength())
propTable->setObject("assigned-addresses", assignedProp);
assignedProp->release();
if (rangeProp->getLength())
{
propTable->setObject("ranges", rangeProp);
regData.lengthLo = 3;
prop = OSData::withBytes(®Data.lengthLo, sizeof(regData.lengthLo));
if (prop)
{
propTable->setObject("#address-cells", prop );
prop->release();
}
regData.lengthLo = 2;
prop = OSData::withBytes(®Data.lengthLo, sizeof(regData.lengthLo));
if (prop)
{
propTable->setObject("#size-cells", prop );
prop->release();
}
}
rangeProp->release();
}
OSDictionary * CLASS::constructProperties(IOPCIConfigEntry * device)
{
OSDictionary * propTable;
uint32_t value;
uint32_t vendor, product, classCode, revID;
uint32_t subVendor = 0, subProduct = 0;
OSData * prop;
const char * name;
const OSSymbol * nameProp;
OSNumber * num;
char compatBuf[128];
char * out;
struct IOPCIGenericNames
{
const char * name;
UInt32 mask;
UInt32 classCode;
};
static const IOPCIGenericNames genericNames[] = {
{ "display", 0xffffff, 0x000100 },
{ "scsi", 0xffff00, 0x010000 },
{ "ethernet", 0xffff00, 0x020000 },
{ "display", 0xff0000, 0x030000 },
{ "pci-bridge", 0xffff00, 0x060400 },
{ 0, 0, 0 }
};
const IOPCIGenericNames * nextName;
propTable = OSDictionary::withCapacity( 8 );
if (!propTable)
return (NULL);
constructAddressingProperties(device, propTable);
value = configRead32( device, kIOPCIConfigVendorID );
vendor = value & 0xffff;
product = value >> 16;
prop = OSData::withBytes( &vendor, sizeof(vendor) );
if (prop)
{
propTable->setObject("vendor-id", prop );
prop->release();
}
prop = OSData::withBytes( &product, sizeof(product) );
if (prop)
{
propTable->setObject("device-id", prop );
prop->release();
}
value = configRead32( device, kIOPCIConfigRevisionID );
revID = value & 0xff;
prop = OSData::withBytes( &revID, sizeof(revID) );
if (prop)
{
propTable->setObject("revision-id", prop );
prop->release();
}
classCode = value >> 8;
prop = OSData::withBytes( &classCode, sizeof(classCode) );
if (prop)
{
propTable->setObject("class-code", prop );
prop->release();
}
// make generic name
name = 0;
for (nextName = genericNames;
(0 == name) && nextName->name;
nextName++)
{
if ((classCode & nextName->mask) == nextName->classCode)
name = nextName->name;
}
// or name from IDs
value = configRead32( device, kIOPCIConfigSubSystemVendorID );
if (value)
{
subVendor = value & 0xffff;
subProduct = value >> 16;
prop = OSData::withBytes( &subVendor, sizeof(subVendor) );
if (prop)
{
propTable->setObject("subsystem-vendor-id", prop );
prop->release();
}
prop = OSData::withBytes( &subProduct, sizeof(subProduct) );
if (prop)
{
propTable->setObject("subsystem-id", prop );
prop->release();
}
}
out = compatBuf;
if ((subVendor || subProduct)
&& ((subVendor != vendor) || (subProduct != product)))
out += snprintf(out, sizeof("pcivvvv,pppp"), "pci%x,%x", subVendor, subProduct) + 1;
if (0 == name)
name = out;
out += snprintf(out, sizeof("pcivvvv,pppp"), "pci%x,%x", vendor, product) + 1;
out += snprintf(out, sizeof("pciclass,cccccc"), "pciclass,%06x", classCode) + 1;
if (device->dtEntry && ((nameProp = device->dtEntry->copyName())))
{
out += strlcpy(out, nameProp->getCStringNoCopy(), 31) + 1;
nameProp->release();
}
// out - compatBuf has a max value of 128
prop = OSData::withBytes( compatBuf, static_cast<unsigned int>(out - compatBuf) );
if (prop)
{
propTable->setObject("compatible", prop );
prop->release();
}
nameProp = OSSymbol::withCString( name );
if (nameProp)
{
propTable->setObject( gIONameKey, (OSSymbol *) nameProp);
nameProp->release();
}
prop = OSData::withBytes( name, static_cast<unsigned int>(strlen(name) + 1));
if (prop)
{
propTable->setObject("name", prop );
prop->release();
}
if (device->supportsHotPlug
&& (num = OSNumber::withNumber(device->supportsHotPlug, 8)))
{
propTable->setObject(gIOPCIHPTypeKey, num);
num->release();
}
if (kPCIHotPlugRoot == device->supportsHotPlug)
propTable->setObject(kIOPCIHotPlugKey, kOSBooleanTrue);
else if (kPCILinkChange == device->supportsHotPlug)
propTable->setObject(kIOPCILinkChangeKey, kOSBooleanTrue);
if (kPCIHotPlugTunnel == device->parent->supportsHotPlug)
propTable->setObject(gIOPCITunnelledKey, kOSBooleanTrue);
if (device->linkInterrupts)
propTable->setObject(kIOPCITunnelLinkChangeKey, kOSBooleanTrue);
if (device->linkInterrupts || (kPCIHotPlugRoot == device->supportsHotPlug))