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Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r--arch/sparc64/kernel/irq.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 51f65054bf1..bcc889a5332 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -303,6 +303,38 @@ out:
return __irq(bucket);
}
+unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino, int pil, unsigned char flags)
+{
+ struct ino_bucket *bucket;
+ unsigned long sysino;
+
+ sysino = sun4v_devino_to_sysino(devhandle, devino);
+
+ printk(KERN_INFO "sun4v_irq: Mapping ( devh[%08x] devino[%08x] ) "
+ "--> sysino[%016lx]\n", devhandle, devino, sysino);
+
+ bucket = &ivector_table[sysino];
+
+ /* Catch accidental accesses to these things. IMAP/ICLR handling
+ * is done by hypervisor calls on sun4v platforms, not by direct
+ * register accesses.
+ */
+ bucket->imap = ~0UL;
+ bucket->iclr = ~0UL;
+
+ bucket->pil = pil;
+ bucket->flags = flags;
+
+ bucket->irq_info = kmalloc(sizeof(struct irq_desc), GFP_ATOMIC);
+ if (!bucket->irq_info) {
+ prom_printf("IRQ: Error, kmalloc(irq_desc) failed.\n");
+ prom_halt();
+ }
+ memset(bucket->irq_info, 0, sizeof(struct irq_desc));
+
+ return __irq(bucket);
+}
+
static void atomic_bucket_insert(struct ino_bucket *bucket)
{
unsigned long pstate;