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Kernel/PCI: Cache more details about PCI devices when enumerating them

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There's no good reason to fetch these values each time we need them.
This commit is contained in:
Liav A 2021-09-23 09:05:34 +03:00 • committed by Andreas Kling
parent e22d9dc360
commit 82bb08a15c
14 changed files with 85 additions and 41 deletions
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41
Kernel/Bus/PCI/Definitions.h
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@ -181,11 +181,25 @@ private:
const u8 m_ptr;
};
TYPEDEF_DISTINCT_ORDERED_ID(u8, ClassCode);
TYPEDEF_DISTINCT_ORDERED_ID(u8, SubclassCode);
TYPEDEF_DISTINCT_ORDERED_ID(u8, ProgrammingInterface);
TYPEDEF_DISTINCT_ORDERED_ID(u8, RevisionID);
TYPEDEF_DISTINCT_ORDERED_ID(u16, SubsystemID);
TYPEDEF_DISTINCT_ORDERED_ID(u16, SubsystemVendorID);
class Access;
class PhysicalID {
public:
PhysicalID(Address address, ID id, Vector<Capability> capabilities)
PhysicalID(Address address, ID id, RevisionID revision_id, ClassCode class_code, SubclassCode subclass_code, ProgrammingInterface prog_if, SubsystemID subsystem_id, SubsystemVendorID subsystem_vendor_id, Vector<Capability> capabilities)
: m_address(address)
, m_id(id)
, m_revision_id(revision_id)
, m_class_code(class_code)
, m_subclass_code(subclass_code)
, m_prog_if(prog_if)
, m_subsystem_id(subsystem_id)
, m_subsystem_vendor_id(subsystem_vendor_id)
, m_capabilities(capabilities)
{
if constexpr (PCI_DEBUG) {
@ -198,13 +212,36 @@ public:
const ID& id() const { return m_id; }
const Address& address() const { return m_address; }
RevisionID revision_id() const { return m_revision_id; }
ClassCode class_code() const { return m_class_code; }
SubclassCode subclass_code() const { return m_subclass_code; }
ProgrammingInterface prog_if() const { return m_prog_if; }
SubsystemID subsystem_id() const { return m_subsystem_id; }
SubsystemVendorID subsystem_vendor_id() const { return m_subsystem_vendor_id; }
void apply_subclass_code_change(Badge<Access>, SubclassCode new_subclass)
{
m_subclass_code = new_subclass;
}
void apply_prog_if_change(Badge<Access>, ProgrammingInterface new_progif)
{
m_prog_if = new_progif;
}
private:
Address m_address;
ID m_id;
RevisionID m_revision_id;
ClassCode m_class_code;
SubclassCode m_subclass_code;
ProgrammingInterface m_prog_if;
SubsystemID m_subsystem_id;
SubsystemVendorID m_subsystem_vendor_id;
Vector<Capability> m_capabilities;
};
class Access;
class Domain;
class Device;
}