RDMA/efa: Add driver to Kconfig/Makefile

Add EFA Makefile and Kconfig.
Signed-off-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

MAINTAINERS

@@ -744,6 +744,15 @@ S:	Supported
 F:	Documentation/networking/device_drivers/amazon/ena.txt
 F:	drivers/net/ethernet/amazon/
 
+AMAZON RDMA EFA DRIVER
+M:	Gal Pressman <galpress@amazon.com>
+R:	Yossi Leybovich <sleybo@amazon.com>
+L:	linux-rdma@vger.kernel.org
+Q:	https://patchwork.kernel.org/project/linux-rdma/list/
+S:	Supported
+F:	drivers/infiniband/hw/efa/
+F:	include/uapi/rdma/efa-abi.h
+
 AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER
 M:	Tom Lendacky <thomas.lendacky@amd.com>
 M:	Gary Hook <gary.hook@amd.com>

drivers/infiniband/Kconfig

@@ -94,6 +94,7 @@ source "drivers/infiniband/hw/mthca/Kconfig"
 source "drivers/infiniband/hw/qib/Kconfig"
 source "drivers/infiniband/hw/cxgb3/Kconfig"
 source "drivers/infiniband/hw/cxgb4/Kconfig"
+source "drivers/infiniband/hw/efa/Kconfig"
 source "drivers/infiniband/hw/i40iw/Kconfig"
 source "drivers/infiniband/hw/mlx4/Kconfig"
 source "drivers/infiniband/hw/mlx5/Kconfig"

drivers/infiniband/hw/Makefile

@@ -3,6 +3,7 @@ obj-$(CONFIG_INFINIBAND_MTHCA)		+= mthca/
 obj-$(CONFIG_INFINIBAND_QIB)		+= qib/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= cxgb3/
 obj-$(CONFIG_INFINIBAND_CXGB4)		+= cxgb4/
+obj-$(CONFIG_INFINIBAND_EFA)		+= efa/
 obj-$(CONFIG_INFINIBAND_I40IW)		+= i40iw/
 obj-$(CONFIG_MLX4_INFINIBAND)		+= mlx4/
 obj-$(CONFIG_MLX5_INFINIBAND)		+= mlx5/

drivers/infiniband/hw/efa/Kconfig

+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+# Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+#
+# Amazon fabric device configuration
+#
+
+config INFINIBAND_EFA
+	tristate "Amazon Elastic Fabric Adapter (EFA) support"
+	depends on PCI_MSI && 64BIT && !CPU_BIG_ENDIAN
+	depends on INFINIBAND_USER_ACCESS
+	help
+	  This driver supports Amazon Elastic Fabric Adapter (EFA).
+
+	  To compile this driver as a module, choose M here.
+	  The module will be called efa.

drivers/infiniband/hw/efa/Makefile

+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+# Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+#
+# Makefile for Amazon Elastic Fabric Adapter (EFA) device driver.
+#
+
+obj-$(CONFIG_INFINIBAND_EFA) += efa.o
+
+efa-y := efa_com_cmd.o efa_com.o efa_main.o efa_verbs.o