Makefile

KERNELDIR := /lib/modules/$(shell uname -r)/build
PWD     := $(shell pwd)

# Select one of the targets to build
# CONFIG_NVMEVIRT_NVM := y
CONFIG_NVMEVIRT_SSD := y
#CONFIG_NVMEVIRT_ZNS := y
#CONFIG_NVMEVIRT_KV := y

ifeq ($(APPROACH),on)
ccflags-y += -DDIEAFFINITY=1
endif

ifeq ($(APPROACH),off)
ccflags-y += -DDIEAFFINITY=0
endif

obj-m   := nvmev.o
nvmev-objs := main.o pci.o admin.o io.o dma.o
ccflags-y += -Wno-unused-variable -Wno-unused-function

ccflags-$(CONFIG_NVMEVIRT_NVM) += -DBASE_SSD=INTEL_OPTANE
nvmev-$(CONFIG_NVMEVIRT_NVM) += simple_ftl.o

ccflags-$(CONFIG_NVMEVIRT_SSD) += -DBASE_SSD=SAMSUNG_970PRO
nvmev-$(CONFIG_NVMEVIRT_SSD) += ssd.o conv_ftl.o pqueue/pqueue.o channel_model.o

ccflags-$(CONFIG_NVMEVIRT_ZNS) += -DBASE_SSD=WD_ZN540
ccflags-$(CONFIG_NVMEVIRT_ZNS) += -Wno-implicit-fallthrough
nvmev-$(CONFIG_NVMEVIRT_ZNS) += ssd.o zns_ftl.o zns_read_write.o zns_mgmt_send.o zns_mgmt_recv.o channel_model.o

ccflags-$(CONFIG_NVMEVIRT_KV) += -DBASE_SSD=KV_PROTOTYPE
nvmev-$(CONFIG_NVMEVIRT_KV) += kv_ftl.o append_only.o bitmap.o

default:
		$(MAKE) -C $(KERNELDIR) M=$(PWD) modules

install:
	   $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install

.PHONY: clean
clean:
	   $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
	   rm -f cscope.out tags

.PHONY: cscope
cscope:
		cscope -b -R
		ctags *.[ch]

.PHONY: tags
tags: cscope