freebsd-nq/sys/modules/twe/Makefile

# $FreeBSD$

#
# The 3ware controller offers a choice of options related to handling of
# mirror consistency in shutdown situations.
#
# If TWE_SHUTDOWN_NOTIFICATION is defined, the driver will inform the 
# controller on clean shutdown.  On reboot after an unclean shutdown, the 
# controller will perform a complete mirror rebuild.  This is the most
# "safe" configuration, but it imposes a severe performance penalty in the
# event of an unexpected reboot.
#
# In the alternate configuration, the controller assumes that all writes to
# a mirror complete successfully.  In the case of an unclean shutdown,
# mirror corruption may occur if the controller is reset or power is lost
# during a disk write.  This configuration is more suitable if the system
# has reliable power, but may be unstable for other reasons.
#
CFLAGS+=-DTWE_SHUTDOWN_NOTIFICATION

#
# The module can be built to override a compiled-in driver
#
#CFLAGS+=-DTWE_OVERRIDE

.PATH:	${.CURDIR}/../../dev/twe
KMOD=	twe
SRCS=	bus_if.h device_if.h pci_if.h twe.c twe_freebsd.c

#CFLAGS+=-DTWE_DEBUG=0

.include <bsd.kmod.mk>
Add the 'twe' driver module makefile. 2000-05-24 23:41:26 +00:00			`# $FreeBSD$`

Major update to the 'twe' driver. - Layout reorganisation to enhance portability. The driver now has a relatively MI 'core' and a FreeBSD-specific layer over the top. Since the NetBSD people have already done their own port, this is largely just to help me with the BSD/OS port. - Request ID allocation changed to improve performance (I'd been considering switching to this approach after having failed to come up with a better way to dynamically allocate request IDs, and seeing Andy Doran use it in the NetBSD port of the driver convinced me that I was wasting my time doing it any other way). Now we just allocate all the requests up front. - Maximum request count bumped back to 255 after characterisation of a firmware issue (off-by-one causing it to crash with 256 outstanding commands). - Control interface implemented. This allows 3ware's '3dm' utility to talk to the controller. 3dm will be available from 3ware shortly. - Controller soft-reset feature added; if the controller signals a firmware or protocol error, the controller will be reset and all outstanding commands will be retried. 2000-10-25 06:59:06 +00:00			`#`
			`# The 3ware controller offers a choice of options related to handling of`
			`# mirror consistency in shutdown situations.`
			`#`
			`# If TWE_SHUTDOWN_NOTIFICATION is defined, the driver will inform the`
			`# controller on clean shutdown. On reboot after an unclean shutdown, the`
			`# controller will perform a complete mirror rebuild. This is the most`
			`# "safe" configuration, but it imposes a severe performance penalty in the`
			`# event of an unexpected reboot.`
			`#`
			`# In the alternate configuration, the controller assumes that all writes to`
			`# a mirror complete successfully. In the case of an unclean shutdown,`
			`# mirror corruption may occur if the controller is reset or power is lost`
			`# during a disk write. This configuration is more suitable if the system`
			`# has reliable power, but may be unstable for other reasons.`
			`#`
			`CFLAGS+=-DTWE_SHUTDOWN_NOTIFICATION`

			`#`
			`# The module can be built to override a compiled-in driver`
			`#`
			`#CFLAGS+=-DTWE_OVERRIDE`

Fixed style bugs that I unfortunately noticed because bsd.kmod.mk was being reconstructed. 2000-06-03 11:45:00 +00:00			`.PATH: ${.CURDIR}/../../dev/twe`
			`KMOD= twe`
Major update to the 'twe' driver. - Layout reorganisation to enhance portability. The driver now has a relatively MI 'core' and a FreeBSD-specific layer over the top. Since the NetBSD people have already done their own port, this is largely just to help me with the BSD/OS port. - Request ID allocation changed to improve performance (I'd been considering switching to this approach after having failed to come up with a better way to dynamically allocate request IDs, and seeing Andy Doran use it in the NetBSD port of the driver convinced me that I was wasting my time doing it any other way). Now we just allocate all the requests up front. - Maximum request count bumped back to 255 after characterisation of a firmware issue (off-by-one causing it to crash with 256 outstanding commands). - Control interface implemented. This allows 3ware's '3dm' utility to talk to the controller. 3dm will be available from 3ware shortly. - Controller soft-reset feature added; if the controller signals a firmware or protocol error, the controller will be reset and all outstanding commands will be retried. 2000-10-25 06:59:06 +00:00			`SRCS= bus_if.h device_if.h pci_if.h twe.c twe_freebsd.c`

			`#CFLAGS+=-DTWE_DEBUG=0`
Add the 'twe' driver module makefile. 2000-05-24 23:41:26 +00:00
Use .include <bsd.kmod.mk> to get to ../../*/conf/kmod.mk instead of encoding the relative path. 2000-05-27 01:14:33 +00:00			`.include <bsd.kmod.mk>`