alxinstall-ng/functions/hwdetection.sh

#!/bin/bash
# $Id$

## 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
	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_evdev_device_path()
{
	local device="$1"
	local path

	case ${device} in
		mouse|keyboard) true;;
		*) die "unkown device";;
	esac

	path="$(hwinfo --${device} | grep 'Device Files:' | sed 's:.*\(/dev/input/event[0-5]\).*:\1:')"
	echo "${path}"
}

# 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
	local uvesafb_config="/etc/modprobe.d/uvesafb.conf"

	# very basic getops
	for i in $*
	do
		case $1 in
			--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}/${config}"
		uvesafb_config="${INSTALL_ROOT}/${uvesafb_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

	# check for usb-storage and add usb host drivers
	if [[ ! -z $(echo ${modules} | grep usb[_-]storage) ]]
	then
		# add usb1, usb1.1, usb2 and ubs3 hosts
		modules+=" uhci-hcd ohci-hcd ehci-hcd xhci-hcd"
	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
	if [[ ${framebuffer} = 1 ]]
	then
		modules+=" uvesafb"

		# setup modprobe conf too
		[[ ! -d $(dirname ${uvesafb_config}) ]] && install -d $(dirname ${uvesafb_config})
		cat > ${uvesafb_config} << EOF
# This file sets the parameters for uvesafb module.	
# The following format should be used:
# options uvesafb mode_option=<xres>x<yres>[-<bpp>][@<refresh>] scroll=<ywrap|ypan|redraw> ...
#
# For more details see:
# http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/fb/uvesafb.txt
#
EOF
		# fix a issues with virtualbox and 'ywrap'
		if [[ ! -z $(hwinfo --bios | grep -i virtualbox) ]]
		then
			# use redraw on virtualbox
			echo "options uvesafb mode_option=1024x768-32@60 scroll=redraw" >> ${uvesafb_config}
		else
			# default config 1024x768 and 60 HZ
			echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
		fi
	fi

	# 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	#!/bin/bash
2	# $Id$
3
4	## hwdetection, needs >= sys-apps/hwinfo
5
6	# hwinfo wrapper to use hwinfo with sudo if requested
7	hwinfo()
8	{
9	local use_sudo=""
10	case ${SUDO} in
11	yes\|y\|true\|1) use_sudo=sudo ;;
12	esac
13
14	${use_sudo} /usr/sbin/hwinfo $@
15	}
16
17	# get_hwinfo $hw_item
18	get_hwinfo()
19	{
20	local enable_desc="0"
21
22	if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
23	then
24	enable_desc=1
25	shift
26	fi
27
28	local item="$1"
29	local all
30	local i
31
32	# handle special items
33	case ${item} in
34	memory) get_hwinfo_memory; return ;;
35	smp) get_hwinfo_smp; return ;;
36	esac
37
38	all=$(hwinfo --short --"${item}")
39
40	declare -i i=0
41	while read device description
42	do
43	# skip the first line
44	(( i++ ))
45	[ ${i} -eq 1 ] && continue
46
47	if [[ ${enable_desc} = 1 ]]
48	then
49	echo "${device};${description}"
50	else
51	echo "${device}"
52	fi
53	done <<< "${all}"
54	}
55
56
57	# special memory case
58	get_hwinfo_memory()
59	{
60	local memory=$(hwinfo --memory \| grep "Memory Size" \| cut -d: -f2 \| sed "s:\ ::")
61	echo "${memory}"
62	}
63
64
65	# special smp case
66	get_hwinfo_smp()
67	{
68	local smp=$(hwinfo --smp \| grep "SMP support:" \| cut -d: -f2 \| sed "s:\ ::")
69	echo "${smp}"
70	}
71
72
73	# get_driver_modules $hw_item
74	get_driver_modules()
75	{
76	local item="$1"
77	local modules
78	local i
79
80	for i in $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 )
81	do
82	eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
83	done
84	remove_duplicates "${modules}"
85	}
86
87	# remove_duplicates $list
88	remove_duplicates()
89	{
90	local list="$@"
91	local fixed_list=":"
92	local i
93
94	for i in ${list}
95	do
96	if [[ -z $(echo "${fixed_list}" \| fgrep ":${i}:") ]]
97	then
98	fixed_list="${fixed_list}${i}:"
99	fi
100	done
101
102	unset list
103
104	# remove all ':' and show the cleaned list
105	# this way fixes double spaces also
106	local counter
107	declare -i counter=0
108	for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
109	do
110	(( counter++ ))
111	if [[ ${counter} -eq 1 ]]
112	then
113	list="${i}"
114	else
115	list+=" ${i}"
116	fi
117	done
118
119	echo "${list}"
120	}
121
122	get_x11_driver_modules()
123	{
124	local modules
125	modules="$(hwinfo --gfxcard \| grep 'XFree86 v4 Server Module:' \| sed 's/.Module:\ \(.\)/\1/')"
126
127	# remove duplicates from list and show it
128	remove_duplicates "${modules}"
129	}
130
131	get_evdev_device_path()
132	{
133	local device="$1"
134	local path
135
136	case ${device} in
137	mouse\|keyboard) true;;
138	*) die "unkown device";;
139	esac
140
141	path="$(hwinfo --${device} \| grep 'Device Files:' \| sed 's:.\(/dev/input/event[0-5]\).:\1:')"
142	echo "${path}"
143	}
144
145	# get_netcard_driver_modules device
146	# e.g. get_netcard_driver_modules eth0
147	get_netcard_driver_modules()
148	{
149	local device="$1"
150	local modules
151
152	if [[ -z ${device} ]]
153	then
154	echo "Error: get_netcard_driver_module(): no device given"
155	return 1
156	fi
157
158	modules=$(hwinfo --netcard \| grep -B1 "Device File: ${device}" \| sed 's/.Modules: \"\(.\)\"/\1/;q')
159	remove_duplicates "${modules}"
160	}
161
162	get_blkid_information()
163	{
164	local partition="$1"
165	local variable="$2"
166	local method
167
168	case $1 in
169	--uuid\|-u) shift; method="-U"; partition="$1"; variable="$2" ;;
170	--label\|-l) shift; method="-L"; partition="$1"; variable="$2" ;;
171	esac
172
173	if [[ -z ${partition} ]]
174	then
175	echo "Error: get_get_blkid_information()(): no partition given"
176	return 1
177	fi
178
179	if [[ -z ${variable} ]]
180	then
181	echo "Error: get_get_blkid_information()(): no variable given"
182	return 1
183	fi
184
185	blkid -o value -s "${variable}" "${method}" "${partition}"
186	}
187
188	get_fstype()
189	{
190	local partition="$1"
191	if [[ -z ${partition} ]]
192	then
193	echo "Error: get_fstype(): no partition given"
194	return 1
195	fi
196
197	# does not work with uuids
198	#mount -f --guess-fstype ${partition}
199
200	get_blkid_information ${partition} TYPE
201	}
202
203	get_uuid()
204	{
205	local partition="$1"
206	if [[ -z ${partition} ]]
207	then
208	echo "Error: get_uuid(): no partition given"
209	return 1
210	fi
211
212	# does not work with uuids
213	#mount -f --guess-fstype ${partition}
214
215	get_blkid_information ${partition} UUID
216	}
217
218	# create_initrd {/path/to/initrd kernelversion </path/to/config>}
219	# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
220	# default config path is /etc/conf.d/mkinitrd
221	create_initrd()
222	{
223	local initrd
224	local kernel
225	local config
226	local chroot
227	#local root
228	local modules
229	# enabled framebuffer modules as default
230	local framebuffer=1
231	local uvesafb_config="/etc/modprobe.d/uvesafb.conf"
232
233	# very basic getops
234	for i in $*
235	do
236	case $1 in
237	--initrd\|-i) shift; initrd="$1" ;;
238	--config\|-c) shift; config="$1" ;;
239	--kernelversion\|-v) shift; kernel="$1" ;;
240	--nofb) shift; framebuffer=0
241	esac
242	shift
243	done
244
245	[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
246	[[ -z ${kernel} ]] && kernel="$(uname -r)"
247	[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
248
249	if [[ ! -z ${INSTALL_ROOT} ]]
250	then
251	config="${INSTALL_ROOT}/${config}"
252	uvesafb_config="${INSTALL_ROOT}/${uvesafb_config}"
253	chroot="chrooted"
254	fi
255
256	# get various modules needed to boot
257	modules="$(get_driver_modules disk)"
258	modules+=" $(get_driver_modules scsi)"
259	modules+=" $(get_driver_modules cdrom)"
260
261	# check for special ide_disk drivers (ata support)
262	if [[ ! -z $(echo ${modules} \| grep ide_disk) ]]
263	then
264	modules+=" $(grep ide_disk /proc/modules \| cut -d' ' -f4 \| sed '/-/d;s:,:\ :g')"
265	fi
266
267	# check for usb-storage and add usb host drivers
268	if [[ ! -z $(echo ${modules} \| grep usb[_-]storage) ]]
269	then
270	# add usb1, usb1.1, usb2 and ubs3 hosts
271	modules+=" uhci-hcd ohci-hcd ehci-hcd xhci-hcd"
272	fi
273
274	# add some generic modules
275	modules+=" sg_mod sg loop sr_mod sd_mod ide-cd ide-cd_mod ide-disk"
276
277	# add generic framebuffer modules
278	if [[ ${framebuffer} = 1 ]]
279	then
280	modules+=" uvesafb"
281
282	# setup modprobe conf too
283	[[ ! -d $(dirname ${uvesafb_config}) ]] && install -d $(dirname ${uvesafb_config})
284	cat > ${uvesafb_config} << EOF
285	# This file sets the parameters for uvesafb module.
286	# The following format should be used:
287	# options uvesafb mode_option=<xres>x<yres>[-<bpp>][@<refresh>] scroll=<ywrap\|ypan\|redraw> ...
288	#
289	# For more details see:
290	# http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/fb/uvesafb.txt
291	#
292	EOF
293	# fix a issues with virtualbox and 'ywrap'
294	if [[ ! -z $(hwinfo --bios \| grep -i virtualbox) ]]
295	then
296	# use redraw on virtualbox
297	echo "options uvesafb mode_option=1024x768-32@60 scroll=redraw" >> ${uvesafb_config}
298	else
299	# default config 1024x768 and 60 HZ
300	echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
301	fi
302	fi
303
304	# remove all duplicate modules
305	modules="$(remove_duplicates ${modules})"
306
307	# create the config and an initrd
308	echo "# autogenerated config file" > ${config}
309	echo "MODULES=\"${modules}\"" >> ${config}
310	echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
311
312	${chroot} mkinitrd -f ${initrd} ${kernel}
313	}
314
315	chrooted()
316	{
317	local cmd="$@"
318
319	mount -t sysfs sysfs ${INSTALL_ROOT}/sys
320	mount -t proc proc ${INSTALL_ROOT}/proc
321	mount -o bind /dev ${INSTALL_ROOT}/dev
322
323	chroot ${INSTALL_ROOT} ${cmd}
324
325	umount ${INSTALL_ROOT}/dev
326	umount ${INSTALL_ROOT}/proc
327	umount ${INSTALL_ROOT}/sys
328	}