diff options
Diffstat (limited to 'include/asm-i386/mach-default/irq_vectors_limits.h')
| -rw-r--r-- | include/asm-i386/mach-default/irq_vectors_limits.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-i386/mach-default/irq_vectors_limits.h b/include/asm-i386/mach-default/irq_vectors_limits.h new file mode 100644 index 00000000000..b330026e6f7 --- /dev/null +++ b/include/asm-i386/mach-default/irq_vectors_limits.h @@ -0,0 +1,21 @@ +#ifndef _ASM_IRQ_VECTORS_LIMITS_H +#define _ASM_IRQ_VECTORS_LIMITS_H + +#ifdef CONFIG_PCI_MSI +#define NR_IRQS FIRST_SYSTEM_VECTOR +#define NR_IRQ_VECTORS NR_IRQS +#else +#ifdef CONFIG_X86_IO_APIC +#define NR_IRQS 224 +# if (224 >= 32 * NR_CPUS) +# define NR_IRQ_VECTORS NR_IRQS +# else +# define NR_IRQ_VECTORS (32 * NR_CPUS) +# endif +#else +#define NR_IRQS 16 +#define NR_IRQ_VECTORS NR_IRQS +#endif +#endif + +#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ |