ZEN: Add VHBA driver

remote git://git.code.sf.net/p/cdemu/code
tag    vhba-module-20200106

drivers/scsi/Kconfig

@@ -1522,4 +1522,6 @@ endif # SCSI_LOWLEVEL
 
 source "drivers/scsi/device_handler/Kconfig"
 
+source "drivers/scsi/vhba/Kconfig"
+
 endmenu

drivers/scsi/Makefile

@@ -153,6 +153,7 @@ obj-$(CONFIG_CHR_DEV_SCH)	+= ch.o
 obj-$(CONFIG_SCSI_ENCLOSURE)	+= ses.o
 
 obj-$(CONFIG_SCSI_HISI_SAS) += hisi_sas/
+obj-$(CONFIG_VHBA)		+= vhba/
 
 # This goes last, so that "real" scsi devices probe earlier
 obj-$(CONFIG_SCSI_DEBUG)	+= scsi_debug.o

drivers/scsi/vhba/Kconfig

@@ -0,0 +1,9 @@
+config VHBA
+	tristate "Virtual (SCSI) Host Bus Adapter"
+	depends on SCSI
+	---help---
+        This is the in-kernel part of CDEmu, a CD/DVD-ROM device
+        emulator.
+
+	This driver can also be built as a module. If so, the module
+	will be called vhba.

drivers/scsi/vhba/Makefile

@@ -0,0 +1,4 @@
+VHBA_VERSION := 20200106
+
+obj-$(CONFIG_VHBA)		+= vhba.o
+ccflags-y := -DVHBA_VERSION=\"$(VHBA_VERSION)\" -Werror