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8951f05525
ioctl frontend ports.
This revision introduces two changes to CTL:
- Changes the way options are passed to CTL_LUN_REQ and CTL_PORT_REQ ioctls.
Removes ctl_be_arg structure and associated logic and replaces it with
nv(3)-based logic for passing in and out arguments.
- Allows creating multiple ioctl frontend ports using either ctladm(8) or
ctld(8).
New frontend ports are represented by /dev/cam/ctl<pp>.<vp> nodes, eg /dev/cam/ctl5.3.
Those device nodes respond only to CTL_IO ioctl.
New command-line options for ctladm:
# creates new ioctl frontend port with using free pp and vp=0
ctladm port -c
# creates new ioctl frontend port with pp=10 and vp=0
ctladm port -c -O pp=10
# creates new ioctl frontend port with pp=11 and vp=12
ctladm port -c -O pp=11 -O vp=12
# removes port with number 4 (it's a "targ_port" number, not pp number)
ctladm port -r -p 4
New syntax for ctl.conf:
target ... {
port ioctl/<pp>
...
}
target ... {
port ioctl/<pp>/<vp>
...
Note: Most of this work was made by jceel@, thank you.
Submitted by: jceel
Reworked by: myself
Reviewed by: mav (earlier versions and recently during the rework)
Obtained from: FreeNAS and TrueOS
Relnotes: Yes
Sponsored by: iXsystems Inc.
Differential Revision: https://reviews.freebsd.org/D9299
26 lines
652 B
Makefile
26 lines
652 B
Makefile
# $FreeBSD$
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.include <src.opts.mk>
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PROG= ctladm
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SRCS= ctladm.c util.c ctl_util.c ctl_scsi_all.c
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.PATH: ${SRCTOP}/sys/cam/ctl
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SDIR= ${SRCTOP}/sys
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CFLAGS+= -I${SDIR}
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# This is necessary because of these warnings:
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# warning: cast increases required alignment of target type
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# The solution is to either upgrade the compiler (preferred), or do void
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# pointer gymnastics to get around the warning. For now, disable the
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# warning instead of doing the void pointer workaround.
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.if ${MACHINE_CPUARCH} == "arm"
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WARNS?= 3
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.endif
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LIBADD= cam sbuf bsdxml util nv
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MAN= ctladm.8
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.if ${MK_ISCSI} != "no"
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CFLAGS+= -DWANT_ISCSI
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.endif
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.include <bsd.prog.mk>
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