1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef LINUX_HARDIRQ_H 20#define LINUX_HARDIRQ_H 21#include <linux/preempt.h> 22#include <linux/smp_lock.h> 23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24#include <linux/lockdep.h> 25#include <asm/hardirq.h> 26#include <asm/system.h> 27#define PREEMPT_BITS 8 28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29#define SOFTIRQ_BITS 8 30#ifndef HARDIRQ_BITS 31#define HARDIRQ_BITS 12 32#if 1 << HARDIRQ_BITS < NR_IRQS 33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34#error HARDIRQ_BITS is too low! 35#endif 36#endif 37#define PREEMPT_SHIFT 0 38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS) 40#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS) 41#define __IRQ_MASK(x) ((1UL << (x))-1) 42#define PREEMPT_MASK (__IRQ_MASK(PREEMPT_BITS) << PREEMPT_SHIFT) 43/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44#define SOFTIRQ_MASK (__IRQ_MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT) 45#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT) 46#define PREEMPT_OFFSET (1UL << PREEMPT_SHIFT) 47#define SOFTIRQ_OFFSET (1UL << SOFTIRQ_SHIFT) 48/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49#define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT) 50#if PREEMPT_ACTIVE < 1 << HARDIRQ_SHIFT + HARDIRQ_BITS 51#error PREEMPT_ACTIVE is too low! 52#endif 53/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54#define hardirq_count() (preempt_count() & HARDIRQ_MASK) 55#define softirq_count() (preempt_count() & SOFTIRQ_MASK) 56#define irq_count() (preempt_count() & (HARDIRQ_MASK | SOFTIRQ_MASK)) 57#define in_irq() (hardirq_count()) 58/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59#define in_softirq() (softirq_count()) 60#define in_interrupt() (irq_count()) 61#define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) 62#define preemptible() 0 63/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64#define IRQ_EXIT_OFFSET HARDIRQ_OFFSET 65#define synchronize_irq(irq) barrier() 66struct task_struct; 67#define irq_enter() do { account_system_vtime(current); add_preempt_count(HARDIRQ_OFFSET); trace_hardirq_enter(); } while (0) 68/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69#define __irq_exit() do { trace_hardirq_exit(); account_system_vtime(current); sub_preempt_count(HARDIRQ_OFFSET); } while (0) 70#define nmi_enter() do { lockdep_off(); irq_enter(); } while (0) 71#define nmi_exit() do { __irq_exit(); lockdep_on(); } while (0) 72#endif 73/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74