daemon/include/hwdetection.global.class

# $Id$

## hwdetection, needs >= sys-apps/hwinfo

# hwinfo wrapper to use hwinfo with sudo if requested
hwinfo()
{
	local use_sudo=""
	case ${SUDO} in
		yes|y|true|1) use_sudo=sudo ;;
	esac

	${use_sudo} /usr/sbin/hwinfo $@
}

# get_hwinfo $hw_item
get_hwinfo()
{
	local enable_desc="0"

	if [[ $1 = --with-description ]] || [[ $1 = -d ]]
	then
		enable_desc=1
		shift
	fi

	local item="$1"
	local all
	local i

	# handle special items
	case ${item} in
		memory) get_hwinfo_memory; return ;;
		smp) get_hwinfo_smp; return ;;
	esac

	all=$(hwinfo --short --"${item}")

	declare -i i=0
	while read device description
	do
		# skip the first line
		(( i++ ))
		[ ${i} -eq 1 ] && continue

		if [[ ${enable_desc} = 1 ]]
		then
			echo "${device};${description}"
		else
			echo "${device}"
		fi
	done <<< "${all}"
}


# special memory case
get_hwinfo_memory()
{
	local memory=$(hwinfo --memory  | grep "Memory Size" | cut -d: -f2 | sed "s:\ ::")
	echo "${memory}"
}


# special smp case
get_hwinfo_smp()
{
	local smp=$(hwinfo --smp  | grep "SMP support:" | cut -d: -f2 | sed "s:\ ::")
	echo "${smp}"
}


# get_driver_modules $hw_item
get_driver_modules()
{
	local item="$1"
	local modules

	# being little tricky here :)
	# does following:
	# grep:
	# -> 'Driver Modules: "via82cxxx", "ide_cd"'
	# cut:
	# -> ' "via82cxxx", "ide_cd"'
	# sed1:
	# -> ' modules="via82cxxx", "ide_cd"'
	# sed2:
	# -> ' modules="via82cxxx ide_cd"'
	# then evaluate -> eval modules="via82cxxx ide_cd"
	# and we get a variable $modules with all mods
	#eval $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 | sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")

	local i
	for i in $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 )
	do
		eval $(echo "${i}" | sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
	done
	remove_duplicates "${modules}"
}

# remove_duplicates $list
remove_duplicates()
{
	local list="$@"
	local fixed_list=":"
	local i

	for i in ${list}
	do
		if [[ -z $(echo "${fixed_list}" | fgrep ":${i}:") ]]
		then
			fixed_list="${fixed_list}${i}:"
		fi
	done

	unset list

	# remove all ':' and show the cleaned list
	# this way fixes double spaces also
	local counter
	declare -i counter=0
	for i in $(echo ${fixed_list} | sed "s|:| |g")
	do
		(( counter++ ))
		if [[ ${counter} -eq 1 ]]
		then
			list="${i}"
		else
			list+=" ${i}"
		fi
	done

	echo "${list}"
}

get_x11_driver_modules()
{
	local modules
	modules="$(hwinfo --gfxcard | grep 'XFree86 v4 Server Module:' | sed 's/.*Module:\ \(.*\)/\1/')"

	# remove duplicates from list and show it
	remove_duplicates "${modules}"
}

# get_netcard_driver_modules device
# e.g. get_netcard_driver_modules eth0
get_netcard_driver_modules()
{
	local device="$1"
	local modules

	if [[ -z ${device} ]]
	then
		echo "Error: get_netcard_driver_module(): no device given"
		return 1
	fi

	modules=$(hwinfo --netcard | grep -B1 "Device File: ${device}" | sed 's/.*Modules: \"\(.*\)\"/\1/;q')
	remove_duplicates "${modules}"
}

get_blkid_information()
{
	local partition="$1"
	local variable="$2"
	local method

	case $1 in
		--uuid|-u) shift; method="-U"; partition="$1"; variable="$2" ;;
		--label|-l) shift; method="-L"; partition="$1"; variable="$2" ;;
	esac

	if [[ -z ${partition} ]]
	then
		echo "Error: get_get_blkid_information()(): no partition given"
		return 1
	fi

	if [[ -z ${variable} ]]
	then
		echo "Error: get_get_blkid_information()(): no variable given"
		return 1
	fi

	blkid -o value -s "${variable}" "${method}" "${partition}"
}

get_fstype()
{
	local partition="$1"
	if [[ -z ${partition} ]]
	then
		echo "Error: get_fstype(): no partition given"
		return 1
	fi

	# does not work with uuids
	#mount -f --guess-fstype ${partition}

	get_blkid_information ${partition} TYPE
}

get_uuid()
{
	local partition="$1"
	if [[ -z ${partition} ]]
	then
		echo "Error: get_uuid(): no partition given"
		return 1
	fi

	# does not work with uuids
	#mount -f --guess-fstype ${partition}

	get_blkid_information ${partition} UUID
}

# create_initrd {/path/to/initrd kernelversion </path/to/config>}
# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
# default config path is /etc/conf.d/mkinitrd
create_initrd()
{
	local initrd
	local kernel
	local config
	local chroot
	#local root
	local modules
	# enabled framebuffer modules as default
	local framebuffer=1

	# very basic getops
	for i in $*
	do
		case $1 in
			#--root|-r) shift; root="$1" ;;
			--initrd|-i) shift; initrd="$1" ;;
			--config|-c) shift; config="$1" ;;
			--kernelversion|-v) shift; kernel="$1" ;;
			--nofb) shift; framebuffer=0
		esac
		shift
	done

	[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
	[[ -z ${kernel} ]] && kernel="$(uname -r)"
	[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"

	if [[ ! -z ${INSTALL_ROOT} ]]
	then
		config="${INSTALL_ROOT}/${config}"
		chroot="chrooted"
	fi

	# get various modules needed to boot
	modules="$(get_driver_modules disk)"
	modules+=" $(get_driver_modules scsi)"
	modules+=" $(get_driver_modules cdrom)"

	# check for special ide_disk drivers (ata support)
	if [[ ! -z $(echo ${modules} | grep ide_disk) ]]
	then
		modules+=" $(grep ide_disk /proc/modules | cut -d' ' -f4 | sed '/-/d;s:,:\ :g')"
	fi

	# add some generic modules
	modules+=" sg_mod sg loop sr_mod sd_mod ide-cd ide-cd_mod ide-disk"

	# add generic framebuffer modules
	[[ ${framebuffer} = 1 ]] && modules+=" uvesafb"

	# remove all duplicate modules
	modules="$(remove_duplicates ${modules})"

	# create the config and an initrd
	echo "# autogenerated config file" > ${config}
	echo "MODULES=\"${modules}\"" >> ${config}
	echo "IMAGE_TYPE=\"initramfs\"" >> ${config}

	${chroot} mkinitrd -f ${initrd} ${kernel}
}

chrooted()
{
	local cmd="$@"

	mount -t sysfs sysfs ${INSTALL_ROOT}/sys
	mount -t proc proc ${INSTALL_ROOT}/proc
	mount -o bind /dev ${INSTALL_ROOT}/dev

	chroot ${INSTALL_ROOT} ${cmd}

	umount ${INSTALL_ROOT}/dev
	umount ${INSTALL_ROOT}/proc
	umount ${INSTALL_ROOT}/sys
}
1	niro	1248	# $Id$
2
3			## hwdetection, needs >= sys-apps/hwinfo
4
5			# hwinfo wrapper to use hwinfo with sudo if requested
6			hwinfo()
7			{
8			local use_sudo=""
9			case ${SUDO} in
10			yes\|y\|true\|1) use_sudo=sudo ;;
11			esac
12
13			${use_sudo} /usr/sbin/hwinfo $@
14			}
15
16			# get_hwinfo $hw_item
17			get_hwinfo()
18			{
19			local enable_desc="0"
20
21			if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
22			then
23			enable_desc=1
24			shift
25			fi
26
27			local item="$1"
28			local all
29			local i
30
31			# handle special items
32			case ${item} in
33			memory) get_hwinfo_memory; return ;;
34			smp) get_hwinfo_smp; return ;;
35			esac
36
37			all=$(hwinfo --short --"${item}")
38
39			declare -i i=0
40			while read device description
41			do
42			# skip the first line
43			(( i++ ))
44			[ ${i} -eq 1 ] && continue
45
46			if [[ ${enable_desc} = 1 ]]
47			then
48			echo "${device};${description}"
49			else
50			echo "${device}"
51			fi
52			done <<< "${all}"
53			}
54
55
56			# special memory case
57			get_hwinfo_memory()
58			{
59			local memory=$(hwinfo --memory \| grep "Memory Size" \| cut -d: -f2 \| sed "s:\ ::")
60			echo "${memory}"
61			}
62
63
64			# special smp case
65			get_hwinfo_smp()
66			{
67			local smp=$(hwinfo --smp \| grep "SMP support:" \| cut -d: -f2 \| sed "s:\ ::")
68			echo "${smp}"
69			}
70
71
72			# get_driver_modules $hw_item
73			get_driver_modules()
74			{
75			local item="$1"
76			local modules
77
78			# being little tricky here :)
79			# does following:
80			# grep:
81			# -> 'Driver Modules: "via82cxxx", "ide_cd"'
82			# cut:
83			# -> ' "via82cxxx", "ide_cd"'
84			# sed1:
85			# -> ' modules="via82cxxx", "ide_cd"'
86			# sed2:
87			# -> ' modules="via82cxxx ide_cd"'
88			# then evaluate -> eval modules="via82cxxx ide_cd"
89			# and we get a variable $modules with all mods
90			#eval $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 \| sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")
91
92			local i
93			for i in $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 )
94			do
95			eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
96			done
97			remove_duplicates "${modules}"
98			}
99
100			# remove_duplicates $list
101			remove_duplicates()
102			{
103			local list="$@"
104			local fixed_list=":"
105			local i
106
107			for i in ${list}
108			do
109			if [[ -z $(echo "${fixed_list}" \| fgrep ":${i}:") ]]
110			then
111			fixed_list="${fixed_list}${i}:"
112			fi
113			done
114
115			unset list
116
117			# remove all ':' and show the cleaned list
118			# this way fixes double spaces also
119			local counter
120			declare -i counter=0
121			for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
122			do
123			(( counter++ ))
124			if [[ ${counter} -eq 1 ]]
125			then
126			list="${i}"
127			else
128			list+=" ${i}"
129			fi
130			done
131
132			echo "${list}"
133			}
134
135			get_x11_driver_modules()
136			{
137			local modules
138			modules="$(hwinfo --gfxcard \| grep 'XFree86 v4 Server Module:' \| sed 's/.Module:\ \(.\)/\1/')"
139
140			# remove duplicates from list and show it
141			remove_duplicates "${modules}"
142			}
143
144			# get_netcard_driver_modules device
145			# e.g. get_netcard_driver_modules eth0
146			get_netcard_driver_modules()
147			{
148			local device="$1"
149			local modules
150
151			if [[ -z ${device} ]]
152			then
153			echo "Error: get_netcard_driver_module(): no device given"
154			return 1
155			fi
156
157			modules=$(hwinfo --netcard \| grep -B1 "Device File: ${device}" \| sed 's/.Modules: \"\(.\)\"/\1/;q')
158			remove_duplicates "${modules}"
159			}
160
161			get_blkid_information()
162			{
163			local partition="$1"
164			local variable="$2"
165			local method
166
167			case $1 in
168			--uuid\|-u) shift; method="-U"; partition="$1"; variable="$2" ;;
169			--label\|-l) shift; method="-L"; partition="$1"; variable="$2" ;;
170			esac
171
172			if [[ -z ${partition} ]]
173			then
174			echo "Error: get_get_blkid_information()(): no partition given"
175			return 1
176			fi
177
178			if [[ -z ${variable} ]]
179			then
180			echo "Error: get_get_blkid_information()(): no variable given"
181			return 1
182			fi
183
184			blkid -o value -s "${variable}" "${method}" "${partition}"
185			}
186
187			get_fstype()
188			{
189			local partition="$1"
190			if [[ -z ${partition} ]]
191			then
192			echo "Error: get_fstype(): no partition given"
193			return 1
194			fi
195
196			# does not work with uuids
197			#mount -f --guess-fstype ${partition}
198
199			get_blkid_information ${partition} TYPE
200			}
201
202			get_uuid()
203			{
204			local partition="$1"
205			if [[ -z ${partition} ]]
206			then
207			echo "Error: get_uuid(): no partition given"
208			return 1
209			fi
210
211			# does not work with uuids
212			#mount -f --guess-fstype ${partition}
213
214			get_blkid_information ${partition} UUID
215			}
216
217			# create_initrd {/path/to/initrd kernelversion </path/to/config>}
218			# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
219			# default config path is /etc/conf.d/mkinitrd
220			create_initrd()
221			{
222			local initrd
223			local kernel
224			local config
225			local chroot
226			#local root
227			local modules
228			# enabled framebuffer modules as default
229			local framebuffer=1
230
231			# very basic getops
232			for i in $*
233			do
234			case $1 in
235			#--root\|-r) shift; root="$1" ;;
236			--initrd\|-i) shift; initrd="$1" ;;
237			--config\|-c) shift; config="$1" ;;
238			--kernelversion\|-v) shift; kernel="$1" ;;
239			--nofb) shift; framebuffer=0
240			esac
241			shift
242			done
243
244			[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
245			[[ -z ${kernel} ]] && kernel="$(uname -r)"
246			[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
247
248			if [[ ! -z ${INSTALL_ROOT} ]]
249			then
250			config="${INSTALL_ROOT}/${config}"
251			chroot="chrooted"
252			fi
253
254			# get various modules needed to boot
255			modules="$(get_driver_modules disk)"
256			modules+=" $(get_driver_modules scsi)"
257			modules+=" $(get_driver_modules cdrom)"
258
259			# check for special ide_disk drivers (ata support)
260			if [[ ! -z $(echo ${modules} \| grep ide_disk) ]]
261			then
262			modules+=" $(grep ide_disk /proc/modules \| cut -d' ' -f4 \| sed '/-/d;s:,:\ :g')"
263			fi
264
265			# add some generic modules
266			modules+=" sg_mod sg loop sr_mod sd_mod ide-cd ide-cd_mod ide-disk"
267
268			# add generic framebuffer modules
269			[[ ${framebuffer} = 1 ]] && modules+=" uvesafb"
270
271			# remove all duplicate modules
272			modules="$(remove_duplicates ${modules})"
273
274			# create the config and an initrd
275			echo "# autogenerated config file" > ${config}
276			echo "MODULES=\"${modules}\"" >> ${config}
277			echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
278
279			${chroot} mkinitrd -f ${initrd} ${kernel}
280			}
281
282			chrooted()
283			{
284			local cmd="$@"
285
286			mount -t sysfs sysfs ${INSTALL_ROOT}/sys
287			mount -t proc proc ${INSTALL_ROOT}/proc
288			mount -o bind /dev ${INSTALL_ROOT}/dev
289
290			chroot ${INSTALL_ROOT} ${cmd}
291
292			umount ${INSTALL_ROOT}/dev
293			umount ${INSTALL_ROOT}/proc
294			umount ${INSTALL_ROOT}/sys
295			}