[PATCH 1/4] dmaengine: ioatdma: Add Snow Ridge ioatdma device id

[Dave Jiang <dave.jiang@xxxxxxxxx>]

Add Snowridge Xeon-D ioatdma PCI device id. Also applies for Icelake
SP Xeon. This introduces ioatdma v3.4 platform. Also bumping driver version
to 5.0 since we are adding additional code for 3.4 support.

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 drivers/dma/ioat/dma.h  |    2 +-
 drivers/dma/ioat/hw.h   |    2 ++
 drivers/dma/ioat/init.c |    3 +++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 1ab42ec2b7ff..aaafd0e882b5 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -27,7 +27,7 @@
 #include "registers.h"
 #include "hw.h"
 
-#define IOAT_DMA_VERSION  "4.00"
+#define IOAT_DMA_VERSION  "5.00"
 
 #define IOAT_DMA_DCA_ANY_CPU		~0
 
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index abcc51b343ce..3e38877cae6b 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -66,6 +66,8 @@
 
 #define PCI_DEVICE_ID_INTEL_IOAT_SKX	0x2021
 
+#define PCI_DEVICE_ID_INTEL_IOAT_ICX	0x0b00
+
 #define IOAT_VER_1_2            0x12    /* Version 1.2 */
 #define IOAT_VER_2_0            0x20    /* Version 2.0 */
 #define IOAT_VER_3_0            0x30    /* Version 3.0 */
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 2d810dfcdc48..3161dfbca505 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -119,6 +119,9 @@ static const struct pci_device_id ioat_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE2) },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE3) },
 
+	/* I/OAT v3.4 platforms */
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_ICX) },
+
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);