#include "nul/motherboard.h"

Classes
struct	AcpiMCFG
	PCI config space access via mmconfig. More...
struct	AcpiMCFG::Entry
struct	Entry
class	PciMMConfigAccess
Functions
struct AcpiMCFG	__attribute__ ((packed))
	PCI config space access via mmconfig.
	PARAM (mmconfig,{MessageAcpi msg("MCFG");check0(!mb.bus_acpi.send(msg, true)\|\|!msg.table,"mm: XXX No MCFG table found.");AcpiMCFG mcfg=reinterpret_cast< AcpiMCFG >(msg.table);for(unsigned i=0;i< (mcfg->len-sizeof(AcpiMCFG))/sizeof(AcpiMCFG::Entry);i++){AcpiMCFG::Entry entry=mcfg->entries+i;Logging::printf("mm: mmconfig: base 0x%llx seg %02x bus %02x-%02x\n", entry->base, entry->pci_seg, entry->pci_bus_start, entry->pci_bus_end);unsigned buses=entry->pci_bus_end-entry->pci_bus_start+1;unsigned long size=buses 32 8 4096;MessageHostOp msg(MessageHostOp::OP_ALLOC_IOMEM, entry->base, size);if(!mb.bus_hostop.send(msg)\|\|!msg.ptr){Logging::printf("mm: %s failed to allocate iomem %llx+%lx\n", __PRETTY_FUNCTION__, entry->base, size);return;}Device dev=new PciMMConfigAccess((entry->pci_seg<< 16)+entry->pci_bus_start 32 8, buses 32 8, reinterpret_cast< unsigned >(msg.ptr));mb.bus_hwpcicfg.add(dev, PciMMConfigAccess::receive_static< MessagePciConfig >);}},"mmconfig - provide HW PCI config space access via mmconfig.")
Variables
unsigned long long	base
unsigned short	pci_seg
unsigned char	pci_bus_start
unsigned char	pci_bus_end
unsigned	_res
unsigned	magic
unsigned	len
unsigned char	rev
unsigned char	checksum
char	oem_id [6]
char	model_id [8]
unsigned	oem_rev
unsigned	creator_vendor
unsigned	creator_utility
PciMMConfigAccess	__attribute__

Function Documentation

struct AcpiMCFG __attribute__ ( (packed) )

PCI config space access via mmconfig.

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PARAM ( mmconfig )