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https://github.com/RGBCube/serenity
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PCI: Add list of capabilities for each device during first enumeration
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parent
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commit
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4 changed files with 44 additions and 3 deletions
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@ -30,6 +30,7 @@
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#include <AK/LogStream.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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namespace Kernel {
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@ -180,20 +181,33 @@ struct ChangeableAddress : public Address {
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}
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};
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struct Capability {
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u8 m_id;
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u8 m_next_pointer;
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};
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class PhysicalID {
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public:
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PhysicalID(Address address, ID id)
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PhysicalID(Address address, ID id, Vector<Capability> capabilities)
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: m_address(address)
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, m_id(id)
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, m_capabilities(capabilities)
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{
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#ifdef PCI_DEBUG
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for (auto capability : capabilities) {
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dbg() << address << " has capbility " << capability.m_id;
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}
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#endif
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}
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Vector<Capability> capabilities() const { return m_capabilities; }
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const ID& id() const { return m_id; }
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const Address& address() const { return m_address; }
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private:
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Address m_address;
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ID m_id;
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Vector<Capability> m_capabilities;
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};
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ID get_id(PCI::Address);
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@ -215,8 +229,11 @@ u8 get_class(Address);
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u16 get_subsystem_id(Address);
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u16 get_subsystem_vendor_id(Address);
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size_t get_BAR_space_size(Address, u8);
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Optional<u8> get_capabilities_pointer(Address);
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Vector<Capability> get_capabilities(Address);
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void enable_bus_mastering(Address);
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void disable_bus_mastering(Address);
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PhysicalID get_physical_id(Address address);
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class Access;
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class MMIOAccess;
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