aboutsummaryrefslogtreecommitdiff
path: root/include/asm-i386/mach-default/irq_vectors_limits.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-i386/mach-default/irq_vectors_limits.h')
-rw-r--r--include/asm-i386/mach-default/irq_vectors_limits.h21
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 */