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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
commit4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch)
treebc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/irq.h
parent21adb5284111190057db245cfc2b54091920c373 (diff)
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/irq.h')
-rw-r--r--libdde_linux26/contrib/include/linux/irq.h425
1 files changed, 0 insertions, 425 deletions
diff --git a/libdde_linux26/contrib/include/linux/irq.h b/libdde_linux26/contrib/include/linux/irq.h
deleted file mode 100644
index f899b502..00000000
--- a/libdde_linux26/contrib/include/linux/irq.h
+++ /dev/null
@@ -1,425 +0,0 @@
-#ifndef _LINUX_IRQ_H
-#define _LINUX_IRQ_H
-
-/*
- * Please do not include this file in generic code. There is currently
- * no requirement for any architecture to implement anything held
- * within this file.
- *
- * Thanks. --rmk
- */
-
-#include <linux/smp.h>
-
-#ifndef CONFIG_S390
-
-#include <linux/linkage.h>
-#include <linux/cache.h>
-#include <linux/spinlock.h>
-#include <linux/cpumask.h>
-#include <linux/irqreturn.h>
-#include <linux/irqnr.h>
-#include <linux/errno.h>
-
-#include <asm/irq.h>
-#include <asm/ptrace.h>
-#include <asm/irq_regs.h>
-
-struct irq_desc;
-typedef void (*irq_flow_handler_t)(unsigned int irq,
- struct irq_desc *desc);
-
-
-/*
- * IRQ line status.
- *
- * Bits 0-7 are reserved for the IRQF_* bits in linux/interrupt.h
- *
- * IRQ types
- */
-#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */
-#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */
-#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */
-#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
-#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */
-#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */
-#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */
-#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */
-
-/* Internal flags */
-#define IRQ_INPROGRESS 0x00000100 /* IRQ handler active - do not enter! */
-#define IRQ_DISABLED 0x00000200 /* IRQ disabled - do not enter! */
-#define IRQ_PENDING 0x00000400 /* IRQ pending - replay on enable */
-#define IRQ_REPLAY 0x00000800 /* IRQ has been replayed but not acked yet */
-#define IRQ_AUTODETECT 0x00001000 /* IRQ is being autodetected */
-#define IRQ_WAITING 0x00002000 /* IRQ not yet seen - for autodetection */
-#define IRQ_LEVEL 0x00004000 /* IRQ level triggered */
-#define IRQ_MASKED 0x00008000 /* IRQ masked - shouldn't be seen again */
-#define IRQ_PER_CPU 0x00010000 /* IRQ is per CPU */
-#define IRQ_NOPROBE 0x00020000 /* IRQ is not valid for probing */
-#define IRQ_NOREQUEST 0x00040000 /* IRQ cannot be requested */
-#define IRQ_NOAUTOEN 0x00080000 /* IRQ will not be enabled on request irq */
-#define IRQ_WAKEUP 0x00100000 /* IRQ triggers system wakeup */
-#define IRQ_MOVE_PENDING 0x00200000 /* need to re-target IRQ destination */
-#define IRQ_NO_BALANCING 0x00400000 /* IRQ is excluded from balancing */
-#define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */
-#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */
-#define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/
-
-#ifdef CONFIG_IRQ_PER_CPU
-# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
-# define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING)
-#else
-# define CHECK_IRQ_PER_CPU(var) 0
-# define IRQ_NO_BALANCING_MASK IRQ_NO_BALANCING
-#endif
-
-struct proc_dir_entry;
-struct msi_desc;
-
-/**
- * struct irq_chip - hardware interrupt chip descriptor
- *
- * @name: name for /proc/interrupts
- * @startup: start up the interrupt (defaults to ->enable if NULL)
- * @shutdown: shut down the interrupt (defaults to ->disable if NULL)
- * @enable: enable the interrupt (defaults to chip->unmask if NULL)
- * @disable: disable the interrupt (defaults to chip->mask if NULL)
- * @ack: start of a new interrupt
- * @mask: mask an interrupt source
- * @mask_ack: ack and mask an interrupt source
- * @unmask: unmask an interrupt source
- * @eoi: end of interrupt - chip level
- * @end: end of interrupt - flow level
- * @set_affinity: set the CPU affinity on SMP machines
- * @retrigger: resend an IRQ to the CPU
- * @set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
- * @set_wake: enable/disable power-management wake-on of an IRQ
- *
- * @release: release function solely used by UML
- * @typename: obsoleted by name, kept as migration helper
- */
-struct irq_chip {
- const char *name;
- unsigned int (*startup)(unsigned int irq);
- void (*shutdown)(unsigned int irq);
- void (*enable)(unsigned int irq);
- void (*disable)(unsigned int irq);
-
- void (*ack)(unsigned int irq);
- void (*mask)(unsigned int irq);
- void (*mask_ack)(unsigned int irq);
- void (*unmask)(unsigned int irq);
- void (*eoi)(unsigned int irq);
-
- void (*end)(unsigned int irq);
- void (*set_affinity)(unsigned int irq,
- const struct cpumask *dest);
- int (*retrigger)(unsigned int irq);
- int (*set_type)(unsigned int irq, unsigned int flow_type);
- int (*set_wake)(unsigned int irq, unsigned int on);
-
- /* Currently used only by UML, might disappear one day.*/
-#ifdef CONFIG_IRQ_RELEASE_METHOD
- void (*release)(unsigned int irq, void *dev_id);
-#endif
- /*
- * For compatibility, ->typename is copied into ->name.
- * Will disappear.
- */
- const char *typename;
-};
-
-struct timer_rand_state;
-struct irq_2_iommu;
-/**
- * struct irq_desc - interrupt descriptor
- * @irq: interrupt number for this descriptor
- * @timer_rand_state: pointer to timer rand state struct
- * @kstat_irqs: irq stats per cpu
- * @irq_2_iommu: iommu with this irq
- * @handle_irq: highlevel irq-events handler [if NULL, __do_IRQ()]
- * @chip: low level interrupt hardware access
- * @msi_desc: MSI descriptor
- * @handler_data: per-IRQ data for the irq_chip methods
- * @chip_data: platform-specific per-chip private data for the chip
- * methods, to allow shared chip implementations
- * @action: the irq action chain
- * @status: status information
- * @depth: disable-depth, for nested irq_disable() calls
- * @wake_depth: enable depth, for multiple set_irq_wake() callers
- * @irq_count: stats field to detect stalled irqs
- * @last_unhandled: aging timer for unhandled count
- * @irqs_unhandled: stats field for spurious unhandled interrupts
- * @lock: locking for SMP
- * @affinity: IRQ affinity on SMP
- * @cpu: cpu index useful for balancing
- * @pending_mask: pending rebalanced interrupts
- * @dir: /proc/irq/ procfs entry
- * @name: flow handler name for /proc/interrupts output
- */
-struct irq_desc {
- unsigned int irq;
-#ifdef CONFIG_SPARSE_IRQ
- struct timer_rand_state *timer_rand_state;
- unsigned int *kstat_irqs;
-# ifdef CONFIG_INTR_REMAP
- struct irq_2_iommu *irq_2_iommu;
-# endif
-#endif
- irq_flow_handler_t handle_irq;
- struct irq_chip *chip;
- struct msi_desc *msi_desc;
- void *handler_data;
- void *chip_data;
- struct irqaction *action; /* IRQ action list */
- unsigned int status; /* IRQ status */
-
- unsigned int depth; /* nested irq disables */
- unsigned int wake_depth; /* nested wake enables */
- unsigned int irq_count; /* For detecting broken IRQs */
- unsigned long last_unhandled; /* Aging timer for unhandled count */
- unsigned int irqs_unhandled;
- spinlock_t lock;
-#ifdef CONFIG_SMP
- cpumask_t affinity;
- unsigned int cpu;
-#endif
-#ifdef CONFIG_GENERIC_PENDING_IRQ
- cpumask_t pending_mask;
-#endif
-#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *dir;
-#endif
- const char *name;
-} ____cacheline_internodealigned_in_smp;
-
-extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
- struct irq_desc *desc, int cpu);
-extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
-
-#ifndef CONFIG_SPARSE_IRQ
-extern struct irq_desc irq_desc[NR_IRQS];
-#else /* CONFIG_SPARSE_IRQ */
-extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
-
-#define kstat_irqs_this_cpu(DESC) \
- ((DESC)->kstat_irqs[smp_processor_id()])
-#define kstat_incr_irqs_this_cpu(irqno, DESC) \
- ((DESC)->kstat_irqs[smp_processor_id()]++)
-
-#endif /* CONFIG_SPARSE_IRQ */
-
-extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
-
-static inline struct irq_desc *
-irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)
-{
-#ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
- return irq_to_desc(irq);
-#else
- return desc;
-#endif
-}
-
-/*
- * Migration helpers for obsolete names, they will go away:
- */
-#define hw_interrupt_type irq_chip
-typedef struct irq_chip hw_irq_controller;
-#define no_irq_type no_irq_chip
-typedef struct irq_desc irq_desc_t;
-
-/*
- * Pick up the arch-dependent methods:
- */
-#include <asm/hw_irq.h>
-
-extern int setup_irq(unsigned int irq, struct irqaction *new);
-
-#ifdef CONFIG_GENERIC_HARDIRQS
-
-#ifdef CONFIG_SMP
-
-#ifdef CONFIG_GENERIC_PENDING_IRQ
-
-void move_native_irq(int irq);
-void move_masked_irq(int irq);
-
-#else /* CONFIG_GENERIC_PENDING_IRQ */
-
-static inline void move_irq(int irq)
-{
-}
-
-static inline void move_native_irq(int irq)
-{
-}
-
-static inline void move_masked_irq(int irq)
-{
-}
-
-#endif /* CONFIG_GENERIC_PENDING_IRQ */
-
-#else /* CONFIG_SMP */
-
-#define move_native_irq(x)
-#define move_masked_irq(x)
-
-#endif /* CONFIG_SMP */
-
-extern int no_irq_affinity;
-
-static inline int irq_balancing_disabled(unsigned int irq)
-{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- return desc->status & IRQ_NO_BALANCING_MASK;
-}
-
-/* Handle irq action chains: */
-extern int handle_IRQ_event(unsigned int irq, struct irqaction *action);
-
-/*
- * Built-in IRQ handlers for various IRQ types,
- * callable via desc->chip->handle_irq()
- */
-extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
-
-/*
- * Monolithic do_IRQ implementation.
- */
-#ifndef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
-extern unsigned int __do_IRQ(unsigned int irq);
-#endif
-
-/*
- * Architectures call this to let the generic IRQ layer
- * handle an interrupt. If the descriptor is attached to an
- * irqchip-style controller then we call the ->handle_irq() handler,
- * and it calls __do_IRQ() if it's attached to an irqtype-style controller.
- */
-static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc)
-{
-#ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
- desc->handle_irq(irq, desc);
-#else
- if (likely(desc->handle_irq))
- desc->handle_irq(irq, desc);
- else
- __do_IRQ(irq);
-#endif
-}
-
-static inline void generic_handle_irq(unsigned int irq)
-{
- generic_handle_irq_desc(irq, irq_to_desc(irq));
-}
-
-/* Handling of unhandled and spurious interrupts: */
-extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
- int action_ret);
-
-/* Resending of interrupts :*/
-void check_irq_resend(struct irq_desc *desc, unsigned int irq);
-
-/* Enable/disable irq debugging output: */
-extern int noirqdebug_setup(char *str);
-
-/* Checks whether the interrupt can be requested by request_irq(): */
-extern int can_request_irq(unsigned int irq, unsigned long irqflags);
-
-/* Dummy irq-chip implementations: */
-extern struct irq_chip no_irq_chip;
-extern struct irq_chip dummy_irq_chip;
-
-extern void
-set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
- irq_flow_handler_t handle);
-extern void
-set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
- irq_flow_handler_t handle, const char *name);
-
-extern void
-__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
- const char *name);
-
-/* caller has locked the irq_desc and both params are valid */
-static inline void __set_irq_handler_unlocked(int irq,
- irq_flow_handler_t handler)
-{
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- desc->handle_irq = handler;
-}
-
-/*
- * Set a highlevel flow handler for a given IRQ:
- */
-static inline void
-set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
-{
- __set_irq_handler(irq, handle, 0, NULL);
-}
-
-/*
- * Set a highlevel chained flow handler for a given IRQ.
- * (a chained handler is automatically enabled and set to
- * IRQ_NOREQUEST and IRQ_NOPROBE)
- */
-static inline void
-set_irq_chained_handler(unsigned int irq,
- irq_flow_handler_t handle)
-{
- __set_irq_handler(irq, handle, 1, NULL);
-}
-
-extern void set_irq_noprobe(unsigned int irq);
-extern void set_irq_probe(unsigned int irq);
-
-/* Handle dynamic irq creation and destruction */
-extern unsigned int create_irq_nr(unsigned int irq_want);
-extern int create_irq(void);
-extern void destroy_irq(unsigned int irq);
-
-/* Test to see if a driver has successfully requested an irq */
-static inline int irq_has_action(unsigned int irq)
-{
- struct irq_desc *desc = irq_to_desc(irq);
- return desc->action != NULL;
-}
-
-/* Dynamic irq helper functions */
-extern void dynamic_irq_init(unsigned int irq);
-extern void dynamic_irq_cleanup(unsigned int irq);
-
-/* Set/get chip/data for an IRQ: */
-extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);
-extern int set_irq_data(unsigned int irq, void *data);
-extern int set_irq_chip_data(unsigned int irq, void *data);
-extern int set_irq_type(unsigned int irq, unsigned int type);
-extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
-
-#define get_irq_chip(irq) (irq_to_desc(irq)->chip)
-#define get_irq_chip_data(irq) (irq_to_desc(irq)->chip_data)
-#define get_irq_data(irq) (irq_to_desc(irq)->handler_data)
-#define get_irq_msi(irq) (irq_to_desc(irq)->msi_desc)
-
-#define get_irq_desc_chip(desc) ((desc)->chip)
-#define get_irq_desc_chip_data(desc) ((desc)->chip_data)
-#define get_irq_desc_data(desc) ((desc)->handler_data)
-#define get_irq_desc_msi(desc) ((desc)->msi_desc)
-
-#endif /* CONFIG_GENERIC_HARDIRQS */
-
-#endif /* !CONFIG_S390 */
-
-#endif /* _LINUX_IRQ_H */