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PCI: Add list of capabilities for each device during first enumeration

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Liav A 2020-12-18 17:37:51 +02:00 • committed by Andreas Kling
parent 9d10eb473d
commit 85b4256d10
4 changed files with 44 additions and 3 deletions
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19
Kernel/PCI/Definitions.h
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@ -30,6 +30,7 @@
#include <AK/LogStream.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Vector.h>
namespace Kernel {
@ -180,20 +181,33 @@ struct ChangeableAddress : public Address {
}
};
struct Capability {
u8 m_id;
u8 m_next_pointer;
};
class PhysicalID {
public:
PhysicalID(Address address, ID id)
PhysicalID(Address address, ID id, Vector<Capability> capabilities)
: m_address(address)
, m_id(id)
, m_capabilities(capabilities)
{
#ifdef PCI_DEBUG
for (auto capability : capabilities) {
dbg() << address << " has capbility " << capability.m_id;
}
#endif
}
Vector<Capability> capabilities() const { return m_capabilities; }
const ID& id() const { return m_id; }
const Address& address() const { return m_address; }
private:
Address m_address;
ID m_id;
Vector<Capability> m_capabilities;
};
ID get_id(PCI::Address);
@ -215,8 +229,11 @@ u8 get_class(Address);
u16 get_subsystem_id(Address);
u16 get_subsystem_vendor_id(Address);
size_t get_BAR_space_size(Address, u8);
Optional<u8> get_capabilities_pointer(Address);
Vector<Capability> get_capabilities(Address);
void enable_bus_mastering(Address);
void disable_bus_mastering(Address);
PhysicalID get_physical_id(Address address);
class Access;
class MMIOAccess;