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+/*
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/OwnPtr.h>
+#include <AK/RefPtr.h>
+#include <AK/Types.h>
+#include <Kernel/Storage/AHCI.h>
+#include <Kernel/Storage/StorageController.h>
+#include <Kernel/Storage/StorageDevice.h>
+
+namespace Kernel {
+
+class AsyncBlockDeviceRequest;
+class AHCIPortHandler;
+class AHCIController final : public StorageController
+ , public PCI::DeviceController {
+ friend class AHCIPortHandler;
+ AK_MAKE_ETERNAL
+public:
+public:
+ UNMAP_AFTER_INIT static NonnullRefPtr<AHCIController> initialize(PCI::Address address);
+ virtual ~AHCIController() override;
+
+ virtual Type type() const override { return Type::AHCI; }
+ virtual RefPtr<StorageDevice> device(u32 index) const override;
+ virtual bool reset() override;
+ virtual bool shutdown() override;
+ virtual size_t devices_count() const override;
+ virtual void start_request(const StorageDevice&, AsyncBlockDeviceRequest&) override;
+ virtual void complete_current_request(AsyncDeviceRequest::RequestResult) override;
+
+ const AHCI::HBADefinedCapabilities& hba_capabilities() const { return m_capabilities; };
+
+private:
+ void disable_global_interrupts() const;
+ void enable_global_interrupts() const;
+
+ UNMAP_AFTER_INIT explicit AHCIController(PCI::Address address);
+ UNMAP_AFTER_INIT void initialize();
+
+ AHCI::HBADefinedCapabilities capabilities() const;
+ RefPtr<StorageDevice> device_by_port(u32 index) const;
+
+ volatile AHCI::PortRegisters& port(size_t port_number) const;
+ NonnullOwnPtr<Region> hba_region() const;
+ volatile AHCI::HBA& hba() const;
+
+ NonnullOwnPtr<Region> m_hba_region;
+ AHCI::HBADefinedCapabilities m_capabilities;
+ NonnullRefPtrVector<AHCIPortHandler> m_handlers;
+};
+}