include/linux/irqchip/irq-msi-lib.h

Source file repositories/reference/linux-study-clean/include/linux/irqchip/irq-msi-lib.h

File Facts

System
Linux kernel
Corpus path
include/linux/irqchip/irq-msi-lib.h
Extension
.h
Size
764 bytes
Lines
29
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
// Copyright (C) 2022 Linutronix GmbH
// Copyright (C) 2022 Intel

#ifndef _IRQCHIP_IRQ_MSI_LIB_H
#define _IRQCHIP_IRQ_MSI_LIB_H

#include <linux/bits.h>
#include <linux/irqdomain.h>
#include <linux/msi.h>

#ifdef CONFIG_PCI_MSI
#define MATCH_PCI_MSI		BIT(DOMAIN_BUS_PCI_MSI)
#else
#define MATCH_PCI_MSI		(0)
#endif

#define MATCH_PLATFORM_MSI	BIT(DOMAIN_BUS_PLATFORM_MSI)

struct msi_domain_info;
int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec,
			      enum irq_domain_bus_token bus_token);

bool msi_lib_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
			       struct irq_domain *real_parent,
			       struct msi_domain_info *info);

#endif /* _IRQCHIP_IRQ_MSI_LIB_H */

Annotation

Implementation Notes