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Differential D15755 Diff 52116 head/sys/sys/interrupt.h

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head/sys/sys/interrupt.h

Show First 20 Lines • Show All 56 Lines • ▼ Show 20 Linesstruct intr_handler {
u_char ih_pri; /* Priority of this handler. */ u_char ih_pri; /* Priority of this handler. */
struct intr_thread *ih_thread; /* Ithread for filtered handler. */ struct intr_thread *ih_thread; /* Ithread for filtered handler. */
}; };
/* Interrupt handle flags kept in ih_flags */ /* Interrupt handle flags kept in ih_flags */
#define IH_EXCLUSIVE 0x00000002 /* Exclusive interrupt. */ #define IH_EXCLUSIVE 0x00000002 /* Exclusive interrupt. */
#define IH_ENTROPY 0x00000004 /* Device is a good entropy source. */ #define IH_ENTROPY 0x00000004 /* Device is a good entropy source. */
#define IH_DEAD 0x00000008 /* Handler should be removed. */ #define IH_DEAD 0x00000008 /* Handler should be removed. */
#define IH_SUSP 0x00000010 /* Device is powered down. */
#define IH_CHANGED 0x40000000 /* Handler state is changed. */
#define IH_MPSAFE 0x80000000 /* Handler does not need Giant. */ #define IH_MPSAFE 0x80000000 /* Handler does not need Giant. */
/* /*
* Describe an interrupt event. An event holds a list of handlers. * Describe an interrupt event. An event holds a list of handlers.
* The 'pre_ithread', 'post_ithread', 'post_filter', and 'assign_cpu' * The 'pre_ithread', 'post_ithread', 'post_filter', and 'assign_cpu'
* hooks are used to invoke MD code for certain operations. * hooks are used to invoke MD code for certain operations.
* *
* The 'pre_ithread' hook is called when an interrupt thread for * The 'pre_ithread' hook is called when an interrupt thread for
▲ Show 20 Lines • Show All 106 Lines • ▼ Show 20 Linesint intr_event_create(struct intr_event **event, void *source,
void (*post_ithread)(void *), void (*post_filter)(void *), void (*post_ithread)(void *), void (*post_filter)(void *),
int (*assign_cpu)(void *, int), const char *fmt, ...) int (*assign_cpu)(void *, int), const char *fmt, ...)
__printflike(9, 10); __printflike(9, 10);
int intr_event_describe_handler(struct intr_event *ie, void *cookie, int intr_event_describe_handler(struct intr_event *ie, void *cookie,
const char *descr); const char *descr);
int intr_event_destroy(struct intr_event *ie); int intr_event_destroy(struct intr_event *ie);
int intr_event_handle(struct intr_event *ie, struct trapframe *frame); int intr_event_handle(struct intr_event *ie, struct trapframe *frame);
int intr_event_remove_handler(void *cookie); int intr_event_remove_handler(void *cookie);
int intr_event_suspend_handler(void *cookie);
int intr_event_resume_handler(void *cookie);
int intr_getaffinity(int irq, int mode, void *mask); int intr_getaffinity(int irq, int mode, void *mask);
void *intr_handler_source(void *cookie); void *intr_handler_source(void *cookie);
int intr_setaffinity(int irq, int mode, void *mask); int intr_setaffinity(int irq, int mode, void *mask);
void _intr_drain(int irq); /* Linux compat only. */ void _intr_drain(int irq); /* Linux compat only. */
int swi_add(struct intr_event **eventp, const char *name, int swi_add(struct intr_event **eventp, const char *name,
driver_intr_t handler, void *arg, int pri, enum intr_type flags, driver_intr_t handler, void *arg, int pri, enum intr_type flags,
void **cookiep); void **cookiep);
void swi_sched(void *cookie, int flags); void swi_sched(void *cookie, int flags);
int swi_remove(void *cookie); int swi_remove(void *cookie);
#endif #endif