direct-io.hg

view linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/hw_irq.h @ 11509:2e6c10dc7c0b

[POWERPC][XEN] make sure put_domain() is called in case of allocate_rma() failuer

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Jimi Xenidis <jimix@watson.ibm.com>
date Tue Sep 12 10:53:46 2006 -0400 (2006-09-12)
parents eb3d2c32a3b4
children 3adf00179a63
line source
1 #ifndef _ASM_HW_IRQ_H
2 #define _ASM_HW_IRQ_H
4 /*
5 * linux/include/asm/hw_irq.h
6 *
7 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
8 *
9 * moved some of the old arch/i386/kernel/irq.h to here. VY
10 *
11 * IRQ/IPI changes taken from work by Thomas Radke
12 * <tomsoft@informatik.tu-chemnitz.de>
13 */
15 #include <linux/config.h>
16 #include <linux/profile.h>
17 #include <asm/atomic.h>
18 #include <asm/irq.h>
19 #include <asm/sections.h>
21 struct hw_interrupt_type;
23 /*
24 * Various low-level irq details needed by irq.c, process.c,
25 * time.c, io_apic.c and smp.c
26 *
27 * Interrupt entry/exit code at both C and assembly level
28 */
30 extern u8 irq_vector[NR_IRQ_VECTORS];
31 #define IO_APIC_VECTOR(irq) (irq_vector[irq])
32 #define AUTO_ASSIGN -1
34 extern void (*interrupt[NR_IRQS])(void);
36 #ifdef CONFIG_SMP
37 fastcall void reschedule_interrupt(void);
38 fastcall void invalidate_interrupt(void);
39 fastcall void call_function_interrupt(void);
40 #endif
42 #ifdef CONFIG_X86_LOCAL_APIC
43 fastcall void apic_timer_interrupt(void);
44 fastcall void error_interrupt(void);
45 fastcall void spurious_interrupt(void);
46 fastcall void thermal_interrupt(struct pt_regs *);
47 #define platform_legacy_irq(irq) ((irq) < 16)
48 #endif
50 void disable_8259A_irq(unsigned int irq);
51 void enable_8259A_irq(unsigned int irq);
52 int i8259A_irq_pending(unsigned int irq);
53 void make_8259A_irq(unsigned int irq);
54 void init_8259A(int aeoi);
55 void FASTCALL(send_IPI_self(int vector));
56 void init_VISWS_APIC_irqs(void);
57 void setup_IO_APIC(void);
58 void disable_IO_APIC(void);
59 void print_IO_APIC(void);
60 int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
61 void send_IPI(int dest, int vector);
62 void setup_ioapic_dest(void);
64 extern unsigned long io_apic_irqs;
66 extern atomic_t irq_err_count;
67 extern atomic_t irq_mis_count;
69 #define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
71 extern void resend_irq_on_evtchn(struct hw_interrupt_type *h, unsigned int i);
72 static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
73 {
74 resend_irq_on_evtchn(h, i);
75 }
77 #endif /* _ASM_HW_IRQ_H */