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Message-ID: <237222b7-13bc-55d3-b77e-6fc07e691dff@redhat.com>
Date: Tue, 4 May 2021 07:18:30 -0700
From: Tom Rix <trix@...hat.com>
To: Lizhi Hou <lizhi.hou@...inx.com>, linux-kernel@...r.kernel.org
Cc: linux-fpga@...r.kernel.org, maxz@...inx.com,
sonal.santan@...inx.com, yliu@...inx.com, michal.simek@...inx.com,
stefanos@...inx.com, devicetree@...r.kernel.org, mdf@...nel.org,
robh@...nel.org, Max Zhen <max.zhen@...inx.com>
Subject: Re: [PATCH V5 XRT Alveo 20/20] fpga: xrt: Kconfig and Makefile
updates for XRT drivers
On 4/27/21 1:54 PM, Lizhi Hou wrote:
> Update fpga Kconfig/Makefile and add Kconfig/Makefile for new drivers.
>
> Signed-off-by: Sonal Santan <sonal.santan@...inx.com>
> Signed-off-by: Max Zhen <max.zhen@...inx.com>
> Signed-off-by: Lizhi Hou <lizhi.hou@...inx.com>
> ---
> MAINTAINERS | 11 +++++++++++
> drivers/Makefile | 1 +
> drivers/fpga/Kconfig | 2 ++
> drivers/fpga/Makefile | 5 +++++
> drivers/fpga/xrt/Kconfig | 8 ++++++++
> drivers/fpga/xrt/lib/Kconfig | 17 +++++++++++++++++
> drivers/fpga/xrt/lib/Makefile | 30 ++++++++++++++++++++++++++++++
> drivers/fpga/xrt/metadata/Kconfig | 12 ++++++++++++
> drivers/fpga/xrt/metadata/Makefile | 16 ++++++++++++++++
> drivers/fpga/xrt/mgnt/Kconfig | 15 +++++++++++++++
> drivers/fpga/xrt/mgnt/Makefile | 19 +++++++++++++++++++
> 11 files changed, 136 insertions(+)
> create mode 100644 drivers/fpga/xrt/Kconfig
> create mode 100644 drivers/fpga/xrt/lib/Kconfig
> create mode 100644 drivers/fpga/xrt/lib/Makefile
> create mode 100644 drivers/fpga/xrt/metadata/Kconfig
> create mode 100644 drivers/fpga/xrt/metadata/Makefile
> create mode 100644 drivers/fpga/xrt/mgnt/Kconfig
> create mode 100644 drivers/fpga/xrt/mgnt/Makefile
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 9450e052f1b1..89abe140041b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -7016,6 +7016,17 @@ F: Documentation/fpga/
> F: drivers/fpga/
> F: include/linux/fpga/
>
> +FPGA XRT DRIVERS
> +M: Lizhi Hou <lizhi.hou@...inx.com>
> +R: Max Zhen <max.zhen@...inx.com>
> +R: Sonal Santan <sonal.santan@...inx.com>
> +L: linux-fpga@...r.kernel.org
> +S: Supported
ok
> +W: https://github.com/Xilinx/XRT
> +F: Documentation/fpga/xrt.rst
> +F: drivers/fpga/xrt/
> +F: include/uapi/linux/xrt/
> +
> FPU EMULATOR
> M: Bill Metzenthen <billm@...bpc.org.au>
> S: Maintained
> diff --git a/drivers/Makefile b/drivers/Makefile
> index 6fba7daba591..dbb3b727fc7a 100644
> --- a/drivers/Makefile
> +++ b/drivers/Makefile
> @@ -179,6 +179,7 @@ obj-$(CONFIG_STM) += hwtracing/stm/
> obj-$(CONFIG_ANDROID) += android/
> obj-$(CONFIG_NVMEM) += nvmem/
> obj-$(CONFIG_FPGA) += fpga/
> +obj-$(CONFIG_FPGA_XRT_METADATA) += fpga/
> obj-$(CONFIG_FSI) += fsi/
> obj-$(CONFIG_TEE) += tee/
> obj-$(CONFIG_MULTIPLEXER) += mux/
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index 5ff9438b7b46..01410ff000b9 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -227,4 +227,6 @@ config FPGA_MGR_ZYNQMP_FPGA
> to configure the programmable logic(PL) through PS
> on ZynqMP SoC.
>
> +source "drivers/fpga/xrt/Kconfig"
> +
> endif # FPGA
> diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile
> index 18dc9885883a..a1cad7f7af09 100644
> --- a/drivers/fpga/Makefile
> +++ b/drivers/fpga/Makefile
> @@ -48,3 +48,8 @@ obj-$(CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000) += dfl-n3000-nios.o
>
> # Drivers for FPGAs which implement DFL
> obj-$(CONFIG_FPGA_DFL_PCI) += dfl-pci.o
> +
> +# XRT drivers for Alveo
> +obj-$(CONFIG_FPGA_XRT_METADATA) += xrt/metadata/
> +obj-$(CONFIG_FPGA_XRT_LIB) += xrt/lib/
> +obj-$(CONFIG_FPGA_XRT_XMGNT) += xrt/mgnt/
> diff --git a/drivers/fpga/xrt/Kconfig b/drivers/fpga/xrt/Kconfig
> new file mode 100644
> index 000000000000..2424f89e6e03
> --- /dev/null
> +++ b/drivers/fpga/xrt/Kconfig
> @@ -0,0 +1,8 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# Xilinx Alveo FPGA device configuration
> +#
> +
> +source "drivers/fpga/xrt/metadata/Kconfig"
> +source "drivers/fpga/xrt/lib/Kconfig"
> +source "drivers/fpga/xrt/mgnt/Kconfig"
> diff --git a/drivers/fpga/xrt/lib/Kconfig b/drivers/fpga/xrt/lib/Kconfig
> new file mode 100644
> index 000000000000..935369fad570
> --- /dev/null
> +++ b/drivers/fpga/xrt/lib/Kconfig
> @@ -0,0 +1,17 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# XRT Alveo FPGA device configuration
> +#
> +
> +config FPGA_XRT_LIB
> + tristate "XRT Alveo Driver Library"
> + depends on HWMON && PCI && HAS_IOMEM
> + select FPGA_XRT_METADATA
> + select REGMAP_MMIO
> + help
> + Select this option to enable Xilinx XRT Alveo driver library. This
> + library is core infrastructure of XRT Alveo FPGA drivers which
> + provides functions for working with device nodes, iteration and
> + lookup of platform devices, common interfaces for platform devices,
> + plumbing of function call and ioctls between platform devices and
> + parent partitions.
ok
> diff --git a/drivers/fpga/xrt/lib/Makefile b/drivers/fpga/xrt/lib/Makefile
> new file mode 100644
> index 000000000000..58563416efbf
> --- /dev/null
> +++ b/drivers/fpga/xrt/lib/Makefile
> @@ -0,0 +1,30 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Copyright (C) 2020-2021 Xilinx, Inc. All rights reserved.
> +#
> +# Authors: Sonal.Santan@...inx.com
> +#
> +
> +FULL_XRT_PATH=$(srctree)/$(src)/..
> +FULL_DTC_PATH=$(srctree)/scripts/dtc/libfdt
> +
> +obj-$(CONFIG_FPGA_XRT_LIB) += xrt-lib.o
> +
> +xrt-lib-objs := \
> + lib-drv.o \
> + xroot.o \
> + xclbin.o \
> + subdev.o \
> + cdev.o \
> + group.o \
> + xleaf/vsec.o \
> + xleaf/axigate.o \
> + xleaf/devctl.o \
> + xleaf/icap.o \
> + xleaf/clock.o \
> + xleaf/clkfreq.o \
> + xleaf/ucs.o \
> + xleaf/ddr_calibration.o
> +
> +ccflags-y := -I$(FULL_XRT_PATH)/include \
> + -I$(FULL_DTC_PATH)
> diff --git a/drivers/fpga/xrt/metadata/Kconfig b/drivers/fpga/xrt/metadata/Kconfig
> new file mode 100644
> index 000000000000..129adda47e94
> --- /dev/null
> +++ b/drivers/fpga/xrt/metadata/Kconfig
> @@ -0,0 +1,12 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# XRT Alveo FPGA device configuration
> +#
> +
> +config FPGA_XRT_METADATA
> + bool "XRT Alveo Driver Metadata Parser"
> + select LIBFDT
> + help
> + This option provides helper functions to parse Xilinx Alveo FPGA
> + firmware metadata. The metadata is in device tree format and the
> + XRT driver uses it to discover the HW subsystems behind PCIe BAR.
ok
> diff --git a/drivers/fpga/xrt/metadata/Makefile b/drivers/fpga/xrt/metadata/Makefile
> new file mode 100644
> index 000000000000..14f65ef1595c
> --- /dev/null
> +++ b/drivers/fpga/xrt/metadata/Makefile
> @@ -0,0 +1,16 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Copyright (C) 2020-2021 Xilinx, Inc. All rights reserved.
> +#
> +# Authors: Sonal.Santan@...inx.com
> +#
> +
> +FULL_XRT_PATH=$(srctree)/$(src)/..
> +FULL_DTC_PATH=$(srctree)/scripts/dtc/libfdt
> +
> +obj-$(CONFIG_FPGA_XRT_METADATA) += xrt-md.o
> +
> +xrt-md-objs := metadata.o
> +
> +ccflags-y := -I$(FULL_XRT_PATH)/include \
> + -I$(FULL_DTC_PATH)
> diff --git a/drivers/fpga/xrt/mgnt/Kconfig b/drivers/fpga/xrt/mgnt/Kconfig
> new file mode 100644
> index 000000000000..b43242c14757
> --- /dev/null
> +++ b/drivers/fpga/xrt/mgnt/Kconfig
> @@ -0,0 +1,15 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# Xilinx XRT FPGA device configuration
> +#
> +
> +config FPGA_XRT_XMGNT
> + tristate "Xilinx Alveo Management Driver"
> + depends on FPGA_XRT_LIB
> + select FPGA_XRT_METADATA
> + select FPGA_BRIDGE
> + select FPGA_REGION
> + help
> + Select this option to enable XRT PCIe driver for Xilinx Alveo FPGA.
> + This driver provides interfaces for userspace application to access
> + Alveo FPGA device.
ok
good enough for now.
Reviewed-by: Tom Rix <trix@...hat.com>
> diff --git a/drivers/fpga/xrt/mgnt/Makefile b/drivers/fpga/xrt/mgnt/Makefile
> new file mode 100644
> index 000000000000..b71d2ff0aa94
> --- /dev/null
> +++ b/drivers/fpga/xrt/mgnt/Makefile
> @@ -0,0 +1,19 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Copyright (C) 2020-2021 Xilinx, Inc. All rights reserved.
> +#
> +# Authors: Sonal.Santan@...inx.com
> +#
> +
> +FULL_XRT_PATH=$(srctree)/$(src)/..
> +FULL_DTC_PATH=$(srctree)/scripts/dtc/libfdt
> +
> +obj-$(CONFIG_FPGA_XRT_XMGNT) += xrt-mgnt.o
> +
> +xrt-mgnt-objs := root.o \
> + xmgnt-main.o \
> + xrt-mgr.o \
> + xmgnt-main-region.o
> +
> +ccflags-y := -I$(FULL_XRT_PATH)/include \
> + -I$(FULL_DTC_PATH)
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