acrn-hypervisor/hypervisor/include/arch/x86/ioapic.h
Huihuang Shi 59771ff461 HV:treewide:fix "Reference parameter to procedure is reassigned"
Parameter's type which is pointer should not be changed in the
scope of function,assign it's value to local variable to fixed
it out.

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-27 12:17:12 +08:00

43 lines
1.1 KiB
C

/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef IOAPIC_H
#define IOAPIC_H
/*
* IOAPIC_MAX_LINES is architecturally defined.
* The usable RTEs may be a subset of the total on a per IO APIC basis.
*/
#define IOAPIC_MAX_LINES 120U
#define NR_LEGACY_IRQ 16U
#define NR_LEGACY_PIN NR_LEGACY_IRQ
#define NR_MAX_GSI (CONFIG_NR_IOAPICS * IOAPIC_MAX_LINES)
#define GSI_MASK_IRQ(irq) irq_gsi_mask_unmask((irq), true)
#define GSI_UNMASK_IRQ(irq) irq_gsi_mask_unmask((irq), false)
void setup_ioapic_irq(void);
bool irq_is_gsi(uint32_t irq);
uint32_t irq_gsi_num(void);
uint8_t irq_to_pin(uint32_t irq);
uint32_t pin_to_irq(uint8_t pin);
void irq_gsi_mask_unmask(uint32_t irq, bool mask);
void ioapic_set_rte(uint32_t irq, union ioapic_rte rte);
void ioapic_get_rte(uint32_t irq, union ioapic_rte *rte);
void suspend_ioapic(void);
void resume_ioapic(void);
extern uint8_t legacy_irq_to_pin[NR_LEGACY_IRQ];
extern uint8_t pic_ioapic_pin_map[NR_LEGACY_PIN];
#ifdef HV_DEBUG
int get_ioapic_info(char *str_arg, int str_max_len);
#endif /* HV_DEBUG */
#endif /* IOAPIC_H */