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/** @file
Copyright (C) 2016, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __NON_DISCOVERABLE_PCI_DEVICE_IO_H__
#define __NON_DISCOVERABLE_PCI_DEVICE_IO_H__
#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <IndustryStandard/Pci.h>
#include <Protocol/ComponentName.h>
#include <Protocol/NonDiscoverableDevice.h>
#include <Protocol/Cpu.h>
#include <Protocol/PciIo.h>
#define NON_DISCOVERABLE_PCI_DEVICE_SIG SIGNATURE_32 ('P', 'P', 'I', 'D')
#define NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(PciIoPointer) \
CR (PciIoPointer, NON_DISCOVERABLE_PCI_DEVICE, PciIo, \
NON_DISCOVERABLE_PCI_DEVICE_SIG)
#define DEV_SUPPORTED_ATTRIBUTES \
(EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE)
#define PCI_ID_VENDOR_UNKNOWN 0xffff
#define PCI_ID_DEVICE_DONTCARE 0x0000
extern EFI_CPU_ARCH_PROTOCOL *mCpu;
typedef struct {
//
// The linked-list next pointer
//
LIST_ENTRY List;
//
// The address of the uncached allocation
//
VOID *HostAddress;
//
// The number of pages in the allocation
//
UINTN NumPages;
//
// The attributes of the allocation
//
UINT64 Attributes;
} NON_DISCOVERABLE_DEVICE_UNCACHED_ALLOCATION;
typedef struct {
UINT32 Signature;
//
// The bound non-discoverable device protocol instance
//
NON_DISCOVERABLE_DEVICE *Device;
//
// The exposed PCI I/O protocol instance.
//
EFI_PCI_IO_PROTOCOL PciIo;
//
// The emulated PCI config space of the device. Only the minimally required
// items are assigned.
//
PCI_TYPE00 ConfigSpace;
//
// The first virtual BAR to assign based on the resources described
// by the non-discoverable device.
//
UINT32 BarOffset;
//
// The number of virtual BARs we expose based on the number of
// resources
//
UINT32 BarCount;
//
// The PCI I/O attributes for this device
//
UINT64 Attributes;
//
// Whether this device has been enabled
//
BOOLEAN Enabled;
//
// Linked list to keep track of uncached allocations performed
// on behalf of this device
//
LIST_ENTRY UncachedAllocationList;
//
// Unique ID for this device instance: needed so that we can report unique
// segment/bus/device number for each device instance. Note that this number
// may change when disconnecting/reconnecting the driver.
//
UINTN UniqueId;
} NON_DISCOVERABLE_PCI_DEVICE;
/**
Initialize PciIo Protocol.
@param Device Point to NON_DISCOVERABLE_PCI_DEVICE instance.
**/
VOID
InitializePciIoProtocol (
NON_DISCOVERABLE_PCI_DEVICE *Device
);
extern EFI_COMPONENT_NAME_PROTOCOL gComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gComponentName2;
#endif
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