Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
867 B
C
32 lines
867 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
#ifndef _POWERPC_SYSDEV_MSI_BITMAP_H
|
|
#define _POWERPC_SYSDEV_MSI_BITMAP_H
|
|
|
|
/*
|
|
* Copyright 2008, Michael Ellerman, IBM Corporation.
|
|
*/
|
|
|
|
#include <linux/of.h>
|
|
#include <asm/irq.h>
|
|
|
|
struct msi_bitmap {
|
|
struct device_node *of_node;
|
|
unsigned long *bitmap;
|
|
spinlock_t lock;
|
|
unsigned int irq_count;
|
|
bool bitmap_from_slab;
|
|
};
|
|
|
|
int msi_bitmap_alloc_hwirqs(struct msi_bitmap *bmp, int num);
|
|
void msi_bitmap_free_hwirqs(struct msi_bitmap *bmp, unsigned int offset,
|
|
unsigned int num);
|
|
void msi_bitmap_reserve_hwirq(struct msi_bitmap *bmp, unsigned int hwirq);
|
|
|
|
int msi_bitmap_reserve_dt_hwirqs(struct msi_bitmap *bmp);
|
|
|
|
int msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count,
|
|
struct device_node *of_node);
|
|
void msi_bitmap_free(struct msi_bitmap *bmp);
|
|
|
|
#endif /* _POWERPC_SYSDEV_MSI_BITMAP_H */
|