pci: generic MSI interrupts support

Change-Id: Ib4fd23f6bca867a2b428bf2651234d719ee08672 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6221 Reviewed-by: waddlesplash <[email protected]> Reviewed-by: Adrien Destugues <[email protected]>
2023-04-25 15:54:32 +00:00
parent 26704b5974
commit e942269a1f
19 changed files with 256 additions and 198 deletions
@@ -0,0 +1,35 @@
+/*
+ * 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(
+		uint8 count, uint8& startVector, uint64& address, uint16& data) = 0;
+	virtual void FreeVectors(uint8 count, uint8 startVector) = 0;
+};
+
+
+extern "C" {
+void msi_set_interface(MSIInterface* interface);
+#endif
+
+bool		msi_supported();
+status_t	msi_allocate_vectors(uint8 count, uint8 *startVector,
+				uint64 *address, uint16 *data);
+void		msi_free_vectors(uint8 count, uint8 startVector);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif	// _KERNEL_ARCH_GENERIC_MSI_H
@@ -1,7 +1,7 @@
 #ifndef _KERNEL_ARCH_x86_MSI_H
 #define _KERNEL_ARCH_x86_MSI_H

-#include <SupportDefs.h>
+#include <arch/generic/msi.h>

 // address register
 #define MSI_ADDRESS_BASE				0xfee00000
@@ -24,10 +24,7 @@
 #define MSI_DELIVERY_MODE_EXT_INT		0x00000700


-bool		msi_supported();
-status_t	msi_allocate_vectors(uint8 count, uint8 *startVector,
-				uint64 *address, uint16 *data);
-void		msi_free_vectors(uint8 count, uint8 startVector);
 void		msi_assign_interrupt_to_cpu(uint8 irq, int32 cpu);

+
 #endif // _KERNEL_ARCH_x86_MSI_H