diff options
Diffstat (limited to 'include/linux/irqchip/irq-msi-lib.h')
| -rw-r--r-- | include/linux/irqchip/irq-msi-lib.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/irqchip/irq-msi-lib.h b/include/linux/irqchip/irq-msi-lib.h new file mode 100644 index 000000000000..dd8d1d138544 --- /dev/null +++ b/include/linux/irqchip/irq-msi-lib.h @@ -0,0 +1,27 @@ +// 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) + +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 */ |