khypervisor: include/gic.h Source File

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00001 #ifndef __GIC_H__
00002 #define __GIC_H__
00003 
00004 #include "hvmm_types.h"
00005 #include "arch_types.h"
00006 #include "smp.h"
00007 
00008 #define GIC_NUM_MAX_IRQS    1024
00009 #define gic_cpumask_current()   (1u << smp_processor_id())
00010 #define GIC_INT_PRIORITY_DEFAULT        0xa0
00011 
00012 typedef enum {
00013     GIC_INT_POLARITY_LEVEL = 0,
00014     GIC_INT_POLARITY_EDGE = 1
00015 } gic_int_polarity_t;
00016 
00017 typedef void (*gic_irq_handler_t)(int irq, void *regs, void *pdata);
00018 
00019 void gic_interrupt(int fiq, void *regs);
00020 hvmm_status_t gic_enable_irq(uint32_t irq);
00021 hvmm_status_t gic_disable_irq(uint32_t irq);
00022 hvmm_status_t gic_init(void);
00023 hvmm_status_t gic_deactivate_irq(uint32_t irq);
00024 volatile uint32_t *gic_vgic_baseaddr(void);
00025 
00026 /*
00027  * example: 
00028     gic_test_configure_irq( 26, 
00029                 GIC_INT_POLARITY_LEVEL, 
00030                 (1u << smp_processor_id()), 
00031                 GIC_INT_PRIORITY_DEFAULT );
00032     gic_test_set_irq_handler( 26, &myhandler );
00033  */
00034 hvmm_status_t gic_test_configure_irq(uint32_t irq, gic_int_polarity_t polarity,  uint8_t cpumask, uint8_t priority);
00035 hvmm_status_t gic_test_set_irq_handler(int irq, gic_irq_handler_t handler, void *pdata );
00036 
00037 #endif