diff options
Diffstat (limited to 'sys/arch/i386/include/pic.h')
| -rw-r--r-- | sys/arch/i386/include/pic.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/arch/i386/include/pic.h b/sys/arch/i386/include/pic.h new file mode 100644 index 00000000000..ce95cc48e45 --- /dev/null +++ b/sys/arch/i386/include/pic.h @@ -0,0 +1,43 @@ +/* $OpenBSD: pic.h,v 1.1 2009/08/13 13:24:48 kettenis Exp $ */ +/* $NetBSD: pic.h,v 1.1 2003/02/26 21:26:11 fvdl Exp $ */ + +#ifndef _X86_PIC_H +#define _X86_PIC_H + +#include <sys/device.h> +#include <sys/mutex.h> +#include <sys/lock.h> + +struct cpu_info; + +/* + * Structure common to all PIC softcs + */ +struct pic { + struct device pic_dev; + int pic_type; +#ifdef MULTIPROCESSOR + struct mutex pic_mutex; +#endif + void (*pic_hwmask)(struct pic *, int); + void (*pic_hwunmask)(struct pic *, int); + void (*pic_addroute)(struct pic *, struct cpu_info *, int, int, int); + void (*pic_delroute)(struct pic *, struct cpu_info *, int, int, int); + struct intrstub *pic_level_stubs; + struct intrstub *pic_edge_stubs; +}; + +#define pic_name pic_dev.dv_xname + +/* + * PIC types. + */ +#define PIC_I8259 0 +#define PIC_IOAPIC 1 +#define PIC_LAPIC 2 +#define PIC_SOFT 3 + +extern struct pic i8259_pic; +extern struct pic local_pic; +extern struct pic softintr_pic; +#endif |