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Diffstat (limited to 'target/linux/layerscape/patches-5.4/811-kvm-0004-virt-vgic-Increase-number-of-DeviceIDs-to-17.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/811-kvm-0004-virt-vgic-Increase-number-of-DeviceIDs-to-17.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/811-kvm-0004-virt-vgic-Increase-number-of-DeviceIDs-to-17.patch b/target/linux/layerscape/patches-5.4/811-kvm-0004-virt-vgic-Increase-number-of-DeviceIDs-to-17.patch
new file mode 100644
index 0000000000..11492b0ce9
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/811-kvm-0004-virt-vgic-Increase-number-of-DeviceIDs-to-17.patch
@@ -0,0 +1,26 @@
+From d157696b1761a710499207c6011a611a5c76826f Mon Sep 17 00:00:00 2001
+From: Bharat Bhushan <Bharat.Bhushan@nxp.com>
+Date: Thu, 25 Jan 2018 10:28:53 +0000
+Subject: [PATCH] virt/vgic: Increase number of DeviceIDs to 17
+
+FSL-MC bus devices uses device-ids from 0x10000 to 0x20000.
+So to support MSI interrupts for mc-bus devices we need
+vgi-ITS device-id table of size 2^17 to support deviceid
+range from 0x10000 to 0x20000.
+
+Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
+---
+ virt/kvm/arm/vgic/vgic-its.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/virt/kvm/arm/vgic/vgic-its.c
++++ b/virt/kvm/arm/vgic/vgic-its.c
+@@ -241,7 +241,7 @@ static struct its_ite *find_ite(struct v
+ #define GIC_LPI_OFFSET 8192
+
+ #define VITS_TYPER_IDBITS 16
+-#define VITS_TYPER_DEVBITS 16
++#define VITS_TYPER_DEVBITS 17
+ #define VITS_DTE_MAX_DEVID_OFFSET (BIT(14) - 1)
+ #define VITS_ITE_MAX_EVENTID_OFFSET (BIT(16) - 1)
+