X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fasm-ia64%2Fhw_irq.h;h=ea8b8c407ab4a210f50b055c2030cb34222fdca0;hb=03aba2f79594ca94d159c8bab454de9bcc385b76;hp=041ab8c51a6409469c1e40e3652814ac666f9817;hpb=3b5cc09033f49d004006acf44e5b05036bd46a85;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h
index 041ab8c..ea8b8c4 100644
--- a/include/asm-ia64/hw_irq.h
+++ b/include/asm-ia64/hw_irq.h
@@ -47,9 +47,19 @@ typedef u8 ia64_vector;
 #define IA64_CMC_VECTOR			0x1f	/* corrected machine-check interrupt vector */
 /*
  * Vectors 0x20-0x2f are reserved for legacy ISA IRQs.
+ * Use vectors 0x30-0xe7 as the default device vector range for ia64.
+ * Platforms may choose to reduce this range in platform_irq_setup, but the
+ * platform range must fall within
+ *	[IA64_DEF_FIRST_DEVICE_VECTOR..IA64_DEF_LAST_DEVICE_VECTOR]
  */
-#define IA64_FIRST_DEVICE_VECTOR	0x30
-#define IA64_LAST_DEVICE_VECTOR		0xe7
+extern int ia64_first_device_vector;
+extern int ia64_last_device_vector;
+
+#define IA64_DEF_FIRST_DEVICE_VECTOR	0x30
+#define IA64_DEF_LAST_DEVICE_VECTOR	0xe7
+#define IA64_FIRST_DEVICE_VECTOR	ia64_first_device_vector
+#define IA64_LAST_DEVICE_VECTOR		ia64_last_device_vector
+#define IA64_MAX_DEVICE_VECTORS		(IA64_DEF_LAST_DEVICE_VECTOR - IA64_DEF_FIRST_DEVICE_VECTOR + 1)
 #define IA64_NUM_DEVICE_VECTORS		(IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1)
 
 #define IA64_MCA_RENDEZ_VECTOR		0xe8	/* MCA rendez interrupt */
@@ -83,6 +93,7 @@ extern struct hw_interrupt_type irq_type_ia64_lsapic;	/* CPU-internal interrupt
 
 extern int assign_irq_vector (int irq);	/* allocate a free vector */
 extern void free_irq_vector (int vector);
+extern int reserve_irq_vector (int vector);
 extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
 extern void register_percpu_irq (ia64_vector vec, struct irqaction *action);
 
@@ -116,13 +127,6 @@ __ia64_local_vector_to_irq (ia64_vector vec)
  * and to obtain the irq descriptor for a given irq number.
  */
 
-/* Return a pointer to the irq descriptor for IRQ.  */
-static inline irq_desc_t *
-irq_descp (int irq)
-{
-	return irq_desc + irq;
-}
-
 /* Extract the IA-64 vector that corresponds to IRQ.  */
 static inline ia64_vector
 irq_to_vector (int irq)