1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Bitmap.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#include <Kernel/Bus/PCI/Controller/HostController.h>
#include <Kernel/Locking/Spinlock.h>
namespace Kernel::PCI {
class HostBridge : public HostController {
public:
static NonnullOwnPtr<HostBridge> must_create_with_io_access();
virtual void write8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u8 value) override;
virtual void write16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u16 value) override;
virtual void write32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u32 value) override;
virtual u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
virtual u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
virtual u32 read32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
protected:
explicit HostBridge(PCI::Domain const&);
private:
virtual void enumerate_attached_devices(Function<void(DeviceIdentifier)> callback) override;
Bitmap m_enumerated_buses;
u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, RegisterOffset field);
u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, RegisterOffset field);
Optional<u8> get_capabilities_pointer_for_function(BusNumber, DeviceNumber, FunctionNumber);
Vector<Capability> get_capabilities_for_function(BusNumber, DeviceNumber, FunctionNumber);
void enumerate_bus(Function<void(DeviceIdentifier)> const& callback, BusNumber, bool recursive);
void enumerate_functions(Function<void(DeviceIdentifier)> const& callback, BusNumber, DeviceNumber, FunctionNumber, bool recursive);
void enumerate_device(Function<void(DeviceIdentifier)> const& callback, BusNumber bus, DeviceNumber device, bool recursive);
};
}
|
