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Diffstat (limited to 'include/sbi/sbi_irqchip.h')
-rw-r--r-- | include/sbi/sbi_irqchip.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/sbi/sbi_irqchip.h b/include/sbi/sbi_irqchip.h new file mode 100644 index 0000000..6acc6e3 --- /dev/null +++ b/include/sbi/sbi_irqchip.h @@ -0,0 +1,44 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 Ventana Micro Systems Inc. + * + * Authors: + * Anup Patel <apatel@ventanamicro.com> + */ + +#ifndef __SBI_IRQCHIP_H__ +#define __SBI_IRQCHIP_H__ + +#include <sbi/sbi_types.h> + +struct sbi_scratch; +struct sbi_trap_regs; + +/** + * Set external interrupt handling function + * + * This function is called by OpenSBI platform code to set a handler for + * external interrupts + * + * @param fn function pointer for handling external irqs + */ +void sbi_irqchip_set_irqfn(int (*fn)(struct sbi_trap_regs *regs)); + +/** + * Process external interrupts + * + * This function is called by sbi_trap_handler() to handle external + * interrupts. + * + * @param regs pointer for trap registers + */ +int sbi_irqchip_process(struct sbi_trap_regs *regs); + +/** Initialize interrupt controllers */ +int sbi_irqchip_init(struct sbi_scratch *scratch, bool cold_boot); + +/** Exit interrupt controllers */ +void sbi_irqchip_exit(struct sbi_scratch *scratch); + +#endif |