* Copyright 2022, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_ARCH_GENERIC_MSI_H
#define _KERNEL_ARCH_GENERIC_MSI_H
#include <SupportDefs.h>
#ifdef __cplusplus
class MSIInterface {
public:
virtual status_t AllocateVectors(
uint32 count, uint32& startVector, uint64& address, uint32& data) = 0;
virtual void FreeVectors(uint32 count, uint32 startVector) = 0;
};
extern "C" {
void msi_set_interface(MSIInterface* interface);
#endif
bool msi_supported();
status_t msi_allocate_vectors(uint32 count, uint32 *startVector,
uint64 *address, uint32 *data);
void msi_free_vectors(uint32 count, uint32 startVector);
#ifdef __cplusplus
}
#endif
#endif
