Files
scst/srpt/Makefile
2014-04-24 12:27:00 +00:00

163 lines
6.5 KiB
Makefile

#
# Makefile for ib_srpt.ko.
#
ifndef PREFIX
PREFIX=/usr/local
endif
SCST_INC_DIR := $(shell if [ -e "$$PWD/../scst" ]; \
then echo "$$PWD/../scst/include"; \
else echo "$(DESTDIR)$(PREFIX)/include/scst"; fi)
SCST_SYMVERS_DIR := $(shell if [ -e $$PWD/../scst ]; then \
echo $$PWD/../scst/src; \
else echo $(DESTDIR)$(PREFIX)/include/scst; fi)
SUBDIRS := $(shell pwd)
ifeq ($(KVER),)
ifeq ($(KDIR),)
KVER := $(shell uname -r)
KDIR := /lib/modules/$(KVER)/build
else
ifeq ($(KERNELRELEASE),)
KVER := $(strip $(shell \
cat $(KDIR)/include/config/kernel.release 2>/dev/null || \
make -s -C $(KDIR) kernelversion))
else
KVER := $(KERNELRELEASE)
endif
endif
else
KDIR := /lib/modules/$(KVER)/build
endif
ifeq ($(INSTALL_MOD_PATH),)
export INSTALL_MOD_PATH := $(DESTDIR)
endif
INSTALL_DIR := $(INSTALL_MOD_PATH)/lib/modules/$(KVER)/extra
# Set variable $(2) to value $(3) in file $(1).
set_var = $(shell { if [ -e "$(1)" ]; then grep -v '^$(2)=' "$(1)"; fi; echo "$(2)=$(3)"; } >/tmp/$(1)-$$$$.tmp && mv /tmp/$(1)-$$$$.tmp $(1))
SRC_FILES=$(wildcard */*.[ch])
# The file Modules.symvers has been renamed in the 2.6.18 kernel to
# Module.symvers. Find out which name to use by looking in $(KDIR).
MODULE_SYMVERS:=$(shell if [ -e $(KDIR)/Module.symvers ]; then \
echo Module.symvers; else echo Modules.symvers; fi)
# Name of the OFED kernel RPM.
OFED_KERNEL_IB_RPM:=$(shell for r in kernel-ib mlnx-ofa_kernel compat-rdma; do rpm -q $$r 2>/dev/null | grep -q "^$$r" && echo $$r && break; done)
# Name of the OFED kernel development RPM.
OFED_KERNEL_IB_DEVEL_RPM:=$(shell for r in kernel-ib-devel mlnx-ofa_kernel-devel compat-rdma-devel; do rpm -q $$r 2>/dev/null | grep -q "^$$r" && echo $$r && break; done)
ifeq ($(OFED_KERNEL_IB_RPM),kernel-ib)
OFED_KERNEL_DIR:=/usr/src/ofa_kernel
# Read OFED 1.x's config.mk, which contains the definition of the variable
# BACKPORT_INCLUDES.
include $(OFED_KERNEL_DIR)/config.mk
OFED_CFLAGS:=$(BACKPORT_INCLUDES) -I$(OFED_KERNEL_DIR)/include
endif
ifeq ($(OFED_KERNEL_IB_RPM),mlnx-ofa_kernel)
OFED_KERNEL_DIR:=/usr/src/ofa_kernel/default
OFED_CFLAGS:=-I$(OFED_KERNEL_DIR)/default/include
endif
ifeq ($(OFED_KERNEL_IB_RPM),compat-rdma)
OFED_KERNEL_DIR:=/usr/src/compat-rdma
OFED_CFLAGS:=-I$(OFED_KERNEL_DIR)/include
endif
ifneq ($(OFED_KERNEL_IB_RPM),)
OFED_MODULE_SYMVERS:=$(OFED_KERNEL_DIR)/Module.symvers
endif
# Path of the OFED ib_srpt.ko kernel module.
OFED_SRPT_PATH:=/lib/modules/$(KVER)/updates/kernel/drivers/infiniband/ulp/srpt/ib_srpt.ko
# Whether or not the OFED ib_srpt.ko kernel module has been installed.
OFED_SRPT_INSTALLED:=$(shell if [ -e $(OFED_SRPT_PATH) ]; then echo true; else echo false; fi)
all: src/$(MODULE_SYMVERS)
$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) modules
install: all src/ib_srpt.ko
$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src \
PRE_CFLAGS="$(OFED_CFLAGS)" SCST_INC_DIR=$(SCST_INC_DIR) \
modules_install
uninstall:
rm -f $(INSTALL_DIR)/ib_srpt.ko
-/sbin/depmod -b $(INSTALL_MOD_PATH)/ -a $(KVER)
src/Module.symvers src/Modules.symvers: $(SCST_SYMVERS_DIR)/$(MODULE_SYMVERS)
@if [ -n "$(OFED_KERNEL_IB_RPM)" ]; then \
if [ -z "$(OFED_KERNEL_IB_DEVEL_RPM)" ]; then \
echo "Error: the OFED package $(OFED_KERNEL_IB_RPM)-devel has" \
"not yet been installed."; \
false; \
elif [ -e /lib/modules/$(KVER)/kernel/drivers/infiniband ]; then \
echo "Error: the distro-provided InfiniBand kernel drivers" \
"must be removed first" \
" (/lib/modules/$(KVER)/kernel/drivers/infiniband)."; \
false; \
elif $(OFED_SRPT_INSTALLED); then \
echo "Error: OFED has been built with srpt=y in ofed.conf."; \
echo "Rebuild OFED with srpt=n."; \
false; \
elif [ -e $(KDIR)/scripts/Makefile.lib ] \
&& ! grep -wq '^c_flags .*PRE_CFLAGS' \
$(KDIR)/scripts/Makefile.lib \
&& ! grep -wq '^LINUXINCLUDE .*PRE_CFLAGS' \
$(KDIR)/Makefile; then \
echo "Error: the kernel build system has not yet been patched.";\
false; \
else \
echo " Building against $(OFED_KERNEL_IB_RPM) InfiniBand" \
"kernel headers."; \
( \
grep -v drivers/infiniband/ $<; \
cat $(OFED_MODULE_SYMVERS) \
) >$@; \
fi \
else \
if [ -n "$(OFED_KERNEL_IB_DEVEL_RPM)" ]; then \
echo "Error: the OFED kernel package has not yet been" \
"installed."; \
false; \
else \
echo " Building against in-tree InfiniBand kernel headers."; \
cp $< $@; \
fi; \
fi
clean:
$(MAKE) -C $(KDIR) SUBDIRS=$(shell pwd)/src clean
rm -f src/Modules.symvers src/Module.symvers src/Module.markers \
src/modules.order
extraclean: clean
rm -f *.orig *.rej
2debug:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,)
2release:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,RELEASE)
2perf:
-$(MAKE) clean
$(call set_var,build_mode,BUILDMODE,PERF)
release-archive:
../scripts/generate-release-archive srpt "$$(sed -n 's/^#define[[:blank:]]DRV_VERSION[[:blank:]]*\"\([^\"]*\)\".*/\1/p' src/ib_srpt.c)"
kerneldoc.html: $(SRC_FILES)
$(KDIR)/scripts/kernel-doc -html $(SRC_FILES) >$@
.PHONY: all install clean extraclean 2debug 2release 2perf