From 7e64e0597fd67c975bfa3e76401bfbcdd5ae0ff9 Mon Sep 17 00:00:00 2001
From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Fri, 14 Dec 2012 17:02:18 +0100
Subject: KVM: s390: Add a channel I/O based virtio transport driver.
Add a driver for kvm guests that matches virtual ccw devices provided
by the host as virtio bridge devices.
These virtio-ccw devices use a special set of channel commands in order
to perform virtio functions.
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
---
arch/s390/include/asm/irq.h | 1 +
arch/s390/kernel/irq.c | 1 +
2 files changed, 2 insertions(+)
(limited to 'arch/s390')
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index e6972f85d2b0..aa6d0d74cec9 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -35,6 +35,7 @@ enum interruption_class {
IOINT_CSC,
IOINT_PCI,
IOINT_MSI,
+ IOINT_VIR,
NMI_NMI,
NR_IRQS,
};
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index bf24293970ce..a9806ea3ebd7 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -60,6 +60,7 @@ static const struct irq_class intrclass_names[] = {
[IOINT_CSC] = {.name = "CSC", .desc = "[I/O] CHSC Subchannel"},
[IOINT_PCI] = {.name = "PCI", .desc = "[I/O] PCI Interrupt" },
[IOINT_MSI] = {.name = "MSI", .desc = "[I/O] MSI Interrupt" },
+ [IOINT_VIR] = {.name = "VIR", .desc = "[I/O] Virtual I/O Devices"},
[NMI_NMI] = {.name = "NMI", .desc = "[NMI] Machine Check"},
};
--
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