From 6b6941f6653ec8017e3822b55bb9eae245f0ed99 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 25 Nov 2022 00:24:14 +0100 Subject: genirq/msi: Create msi_api.h Create a API header for MSI specific functions which are relevant to device drivers. Signed-off-by: Thomas Gleixner Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian Acked-by: Marc Zyngier Link: https://lore.kernel.org/r/20221124230313.632679220@linutronix.de --- include/linux/msi_api.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 include/linux/msi_api.h (limited to 'include/linux/msi_api.h') diff --git a/include/linux/msi_api.h b/include/linux/msi_api.h new file mode 100644 index 000000000000..57d27cfcde2d --- /dev/null +++ b/include/linux/msi_api.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LINUX_MSI_API_H +#define LINUX_MSI_API_H + +/* + * APIs which are relevant for device driver code for allocating and + * freeing MSI interrupts and querying the associations between + * hardware/software MSI indices and the Linux interrupt number. + */ + +struct device; + +unsigned int msi_get_virq(struct device *dev, unsigned int index); + +#endif -- cgit v1.2.3