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authorPaul Mackerras <paulus@samba.org>2007-04-29 22:38:01 -0400
committerPaul Mackerras <paulus@samba.org>2007-04-29 22:38:01 -0400
commit49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch)
tree253801ebf57e0a23856a2c7be129c2c178f62fdf /Documentation
parent34f6d749c0a328817d5e36274e53121c1db734dc (diff)
parentb9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff)
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-usb41
-rw-r--r--Documentation/feature-removal-schedule.txt61
-rw-r--r--Documentation/filesystems/afs.txt214
-rw-r--r--Documentation/filesystems/proc.txt9
-rw-r--r--Documentation/gpio.txt31
-rw-r--r--Documentation/infiniband/user_mad.txt8
-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--Documentation/keys.txt12
-rw-r--r--Documentation/networking/bonding.txt35
-rw-r--r--Documentation/networking/dccp.txt10
-rw-r--r--Documentation/networking/ip-sysctl.txt40
-rw-r--r--Documentation/networking/rxrpc.txt859
-rw-r--r--Documentation/networking/wan-router.txt1
-rw-r--r--Documentation/s390/crypto/crypto-API.txt83
-rw-r--r--Documentation/s390/zfcpdump.txt87
-rw-r--r--Documentation/usb/usbmon.txt80
-rw-r--r--Documentation/video4linux/CARDLIST.bttv2
-rw-r--r--Documentation/video4linux/CARDLIST.cx882
-rw-r--r--Documentation/video4linux/CARDLIST.ivtv18
-rw-r--r--Documentation/video4linux/CARDLIST.saa71348
-rw-r--r--Documentation/video4linux/CARDLIST.usbvision64
-rw-r--r--Documentation/video4linux/README.ivtv187
-rw-r--r--Documentation/video4linux/cx2341x/fw-decoder-regs.txt12
-rw-r--r--Documentation/video4linux/cx2341x/fw-encoder-api.txt19
-rw-r--r--Documentation/video4linux/cx2341x/fw-osd-api.txt12
-rw-r--r--Documentation/video4linux/sn9c102.txt64
-rw-r--r--Documentation/video4linux/zr364xx.txt65
-rw-r--r--Documentation/x86_64/boot-options.txt4
28 files changed, 1745 insertions, 285 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
new file mode 100644
index 000000000000..f9937add033d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -0,0 +1,41 @@
1What: /sys/bus/usb/devices/.../power/autosuspend
2Date: March 2007
3KernelVersion: 2.6.21
4Contact: Alan Stern <stern@rowland.harvard.edu>
5Description:
6 Each USB device directory will contain a file named
7 power/autosuspend. This file holds the time (in seconds)
8 the device must be idle before it will be autosuspended.
9 0 means the device will be autosuspended as soon as
10 possible. Negative values will prevent the device from
11 being autosuspended at all, and writing a negative value
12 will resume the device if it is already suspended.
13
14 The autosuspend delay for newly-created devices is set to
15 the value of the usbcore.autosuspend module parameter.
16
17What: /sys/bus/usb/devices/.../power/level
18Date: March 2007
19KernelVersion: 2.6.21
20Contact: Alan Stern <stern@rowland.harvard.edu>
21Description:
22 Each USB device directory will contain a file named
23 power/level. This file holds a power-level setting for
24 the device, one of "on", "auto", or "suspend".
25
26 "on" means that the device is not allowed to autosuspend,
27 although normal suspends for system sleep will still
28 be honored. "auto" means the device will autosuspend
29 and autoresume in the usual manner, according to the
30 capabilities of its driver. "suspend" means the device
31 is forced into a suspended state and it will not autoresume
32 in response to I/O requests. However remote-wakeup requests
33 from the device may still be enabled (the remote-wakeup
34 setting is controlled separately by the power/wakeup
35 attribute).
36
37 During normal use, devices should be left in the "auto"
38 level. The other levels are meant for administrative uses.
39 If you want to suspend a device immediately but leave it
40 free to wake up in response to I/O requests, you should
41 write "0" to power/autosuspend.
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 19b4c96b2a49..5c88ba1ea262 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -6,6 +6,18 @@ be removed from this file.
6 6
7--------------------------- 7---------------------------
8 8
9What: V4L2 VIDIOC_G_MPEGCOMP and VIDIOC_S_MPEGCOMP
10When: October 2007
11Why: Broken attempt to set MPEG compression parameters. These ioctls are
12 not able to implement the wide variety of parameters that can be set
13 by hardware MPEG encoders. A new MPEG control mechanism was created
14 in kernel 2.6.18 that replaces these ioctls. See the V4L2 specification
15 (section 1.9: Extended controls) for more information on this topic.
16Who: Hans Verkuil <hverkuil@xs4all.nl> and
17 Mauro Carvalho Chehab <mchehab@infradead.org>
18
19---------------------------
20
9What: /sys/devices/.../power/state 21What: /sys/devices/.../power/state
10 dev->power.power_state 22 dev->power.power_state
11 dpm_runtime_{suspend,resume)() 23 dpm_runtime_{suspend,resume)()
@@ -134,15 +146,6 @@ Who: Arjan van de Ven <arjan@linux.intel.com>
134 146
135--------------------------- 147---------------------------
136 148
137What: mount/umount uevents
138When: February 2007
139Why: These events are not correct, and do not properly let userspace know
140 when a file system has been mounted or unmounted. Userspace should
141 poll the /proc/mounts file instead to detect this properly.
142Who: Greg Kroah-Hartman <gregkh@suse.de>
143
144---------------------------
145
146What: USB driver API moves to EXPORT_SYMBOL_GPL 149What: USB driver API moves to EXPORT_SYMBOL_GPL
147When: February 2008 150When: February 2008
148Files: include/linux/usb.h, drivers/usb/core/driver.c 151Files: include/linux/usb.h, drivers/usb/core/driver.c
@@ -211,15 +214,6 @@ Who: Adrian Bunk <bunk@stusta.de>
211 214
212--------------------------- 215---------------------------
213 216
214What: IPv4 only connection tracking/NAT/helpers
215When: 2.6.22
216Why: The new layer 3 independant connection tracking replaces the old
217 IPv4 only version. After some stabilization of the new code the
218 old one will be removed.
219Who: Patrick McHardy <kaber@trash.net>
220
221---------------------------
222
223What: ACPI hooks (X86_SPEEDSTEP_CENTRINO_ACPI) in speedstep-centrino driver 217What: ACPI hooks (X86_SPEEDSTEP_CENTRINO_ACPI) in speedstep-centrino driver
224When: December 2006 218When: December 2006
225Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are 219Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are
@@ -294,18 +288,6 @@ Who: Richard Purdie <rpurdie@rpsys.net>
294 288
295--------------------------- 289---------------------------
296 290
297What: Wireless extensions over netlink (CONFIG_NET_WIRELESS_RTNETLINK)
298When: with the merge of wireless-dev, 2.6.22 or later
299Why: The option/code is
300 * not enabled on most kernels
301 * not required by any userspace tools (except an experimental one,
302 and even there only for some parts, others use ioctl)
303 * pointless since wext is no longer evolving and the ioctl
304 interface needs to be kept
305Who: Johannes Berg <johannes@sipsolutions.net>
306
307---------------------------
308
309What: i8xx_tco watchdog driver 291What: i8xx_tco watchdog driver
310When: in 2.6.22 292When: in 2.6.22
311Why: the i8xx_tco watchdog driver has been replaced by the iTCO_wdt 293Why: the i8xx_tco watchdog driver has been replaced by the iTCO_wdt
@@ -313,3 +295,22 @@ Why: the i8xx_tco watchdog driver has been replaced by the iTCO_wdt
313Who: Wim Van Sebroeck <wim@iguana.be> 295Who: Wim Van Sebroeck <wim@iguana.be>
314 296
315--------------------------- 297---------------------------
298
299What: Multipath cached routing support in ipv4
300When: in 2.6.23
301Why: Code was merged, then submitter immediately disappeared leaving
302 us with no maintainer and lots of bugs. The code should not have
303 been merged in the first place, and many aspects of it's
304 implementation are blocking more critical core networking
305 development. It's marked EXPERIMENTAL and no distribution
306 enables it because it cause obscure crashes due to unfixable bugs
307 (interfaces don't return errors so memory allocation can't be
308 handled, calling contexts of these interfaces make handling
309 errors impossible too because they get called after we've
310 totally commited to creating a route object, for example).
311 This problem has existed for years and no forward progress
312 has ever been made, and nobody steps up to try and salvage
313 this code, so we're going to finally just get rid of it.
314Who: David S. Miller <davem@davemloft.net>
315
316---------------------------
diff --git a/Documentation/filesystems/afs.txt b/Documentation/filesystems/afs.txt
index 2f4237dfb8c7..12ad6c7f4e50 100644
--- a/Documentation/filesystems/afs.txt
+++ b/Documentation/filesystems/afs.txt
@@ -1,31 +1,82 @@
1 ====================
1 kAFS: AFS FILESYSTEM 2 kAFS: AFS FILESYSTEM
2 ==================== 3 ====================
3 4
4ABOUT 5Contents:
5===== 6
7 - Overview.
8 - Usage.
9 - Mountpoints.
10 - Proc filesystem.
11 - The cell database.
12 - Security.
13 - Examples.
14
15
16========
17OVERVIEW
18========
6 19
7This filesystem provides a fairly simple AFS filesystem driver. It is under 20This filesystem provides a fairly simple secure AFS filesystem driver. It is
8development and only provides very basic facilities. It does not yet support 21under development and does not yet provide the full feature set. The features
9the following AFS features: 22it does support include:
10 23
11 (*) Write support. 24 (*) Security (currently only AFS kaserver and KerberosIV tickets).
12 (*) Communications security.
13 (*) Local caching.
14 (*) pioctl() system call.
15 (*) Automatic mounting of embedded mountpoints.
16 25
26 (*) File reading.
17 27
28 (*) Automounting.
29
30It does not yet support the following AFS features:
31
32 (*) Write support.
33
34 (*) Local caching.
35
36 (*) pioctl() system call.
37
38
39===========
40COMPILATION
41===========
42
43The filesystem should be enabled by turning on the kernel configuration
44options:
45
46 CONFIG_AF_RXRPC - The RxRPC protocol transport
47 CONFIG_RXKAD - The RxRPC Kerberos security handler
48 CONFIG_AFS - The AFS filesystem
49
50Additionally, the following can be turned on to aid debugging:
51
52 CONFIG_AF_RXRPC_DEBUG - Permit AF_RXRPC debugging to be enabled
53 CONFIG_AFS_DEBUG - Permit AFS debugging to be enabled
54
55They permit the debugging messages to be turned on dynamically by manipulating
56the masks in the following files:
57
58 /sys/module/af_rxrpc/parameters/debug
59 /sys/module/afs/parameters/debug
60
61
62=====
18USAGE 63USAGE
19===== 64=====
20 65
21When inserting the driver modules the root cell must be specified along with a 66When inserting the driver modules the root cell must be specified along with a
22list of volume location server IP addresses: 67list of volume location server IP addresses:
23 68
24 insmod rxrpc.o 69 insmod af_rxrpc.o
70 insmod rxkad.o
25 insmod kafs.o rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91 71 insmod kafs.o rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91
26 72
27The first module is a driver for the RxRPC remote operation protocol, and the 73The first module is the AF_RXRPC network protocol driver. This provides the
28second is the actual filesystem driver for the AFS filesystem. 74RxRPC remote operation protocol and may also be accessed from userspace. See:
75
76 Documentation/networking/rxrpc.txt
77
78The second module is the kerberos RxRPC security driver, and the third module
79is the actual filesystem driver for the AFS filesystem.
29 80
30Once the module has been loaded, more modules can be added by the following 81Once the module has been loaded, more modules can be added by the following
31procedure: 82procedure:
@@ -33,7 +84,7 @@ procedure:
33 echo add grand.central.org 18.7.14.88:128.2.191.224 >/proc/fs/afs/cells 84 echo add grand.central.org 18.7.14.88:128.2.191.224 >/proc/fs/afs/cells
34 85
35Where the parameters to the "add" command are the name of a cell and a list of 86Where the parameters to the "add" command are the name of a cell and a list of
36volume location servers within that cell. 87volume location servers within that cell, with the latter separated by colons.
37 88
38Filesystems can be mounted anywhere by commands similar to the following: 89Filesystems can be mounted anywhere by commands similar to the following:
39 90
@@ -42,11 +93,6 @@ Filesystems can be mounted anywhere by commands similar to the following:
42 mount -t afs "#root.afs." /afs 93 mount -t afs "#root.afs." /afs
43 mount -t afs "#root.cell." /afs/cambridge 94 mount -t afs "#root.cell." /afs/cambridge
44 95
45 NB: When using this on Linux 2.4, the mount command has to be different,
46 since the filesystem doesn't have access to the device name argument:
47
48 mount -t afs none /afs -ovol="#root.afs."
49
50Where the initial character is either a hash or a percent symbol depending on 96Where the initial character is either a hash or a percent symbol depending on
51whether you definitely want a R/W volume (hash) or whether you'd prefer a R/O 97whether you definitely want a R/W volume (hash) or whether you'd prefer a R/O
52volume, but are willing to use a R/W volume instead (percent). 98volume, but are willing to use a R/W volume instead (percent).
@@ -60,55 +106,66 @@ named volume will be looked up in the cell specified during insmod.
60Additional cells can be added through /proc (see later section). 106Additional cells can be added through /proc (see later section).
61 107
62 108
109===========
63MOUNTPOINTS 110MOUNTPOINTS
64=========== 111===========
65 112
66AFS has a concept of mountpoints. These are specially formatted symbolic links 113AFS has a concept of mountpoints. In AFS terms, these are specially formatted
67(of the same form as the "device name" passed to mount). kAFS presents these 114symbolic links (of the same form as the "device name" passed to mount). kAFS
68to the user as directories that have special properties: 115presents these to the user as directories that have a follow-link capability
116(ie: symbolic link semantics). If anyone attempts to access them, they will
117automatically cause the target volume to be mounted (if possible) on that site.
69 118
70 (*) They cannot be listed. Running a program like "ls" on them will incur an 119Automatically mounted filesystems will be automatically unmounted approximately
71 EREMOTE error (Object is remote). 120twenty minutes after they were last used. Alternatively they can be unmounted
121directly with the umount() system call.
72 122
73 (*) Other objects can't be looked up inside of them. This also incurs an 123Manually unmounting an AFS volume will cause any idle submounts upon it to be
74 EREMOTE error. 124culled first. If all are culled, then the requested volume will also be
125unmounted, otherwise error EBUSY will be returned.
75 126
76 (*) They can be queried with the readlink() system call, which will return 127This can be used by the administrator to attempt to unmount the whole AFS tree
77 the name of the mountpoint to which they point. The "readlink" program 128mounted on /afs in one go by doing:
78 will also work.
79 129
80 (*) They can be mounted on (which symbolic links can't). 130 umount /afs
81 131
82 132
133===============
83PROC FILESYSTEM 134PROC FILESYSTEM
84=============== 135===============
85 136
86The rxrpc module creates a number of files in various places in the /proc
87filesystem:
88
89 (*) Firstly, some information files are made available in a directory called
90 "/proc/net/rxrpc/". These list the extant transport endpoint, peer,
91 connection and call records.
92
93 (*) Secondly, some control files are made available in a directory called
94 "/proc/sys/rxrpc/". Currently, all these files can be used for is to
95 turn on various levels of tracing.
96
97The AFS modules creates a "/proc/fs/afs/" directory and populates it: 137The AFS modules creates a "/proc/fs/afs/" directory and populates it:
98 138
99 (*) A "cells" file that lists cells currently known to the afs module. 139 (*) A "cells" file that lists cells currently known to the afs module and
140 their usage counts:
141
142 [root@andromeda ~]# cat /proc/fs/afs/cells
143 USE NAME
144 3 cambridge.redhat.com
100 145
101 (*) A directory per cell that contains files that list volume location 146 (*) A directory per cell that contains files that list volume location
102 servers, volumes, and active servers known within that cell. 147 servers, volumes, and active servers known within that cell.
103 148
149 [root@andromeda ~]# cat /proc/fs/afs/cambridge.redhat.com/servers
150 USE ADDR STATE
151 4 172.16.18.91 0
152 [root@andromeda ~]# cat /proc/fs/afs/cambridge.redhat.com/vlservers
153 ADDRESS
154 172.16.18.91
155 [root@andromeda ~]# cat /proc/fs/afs/cambridge.redhat.com/volumes
156 USE STT VLID[0] VLID[1] VLID[2] NAME
157 1 Val 20000000 20000001 20000002 root.afs
104 158
159
160=================
105THE CELL DATABASE 161THE CELL DATABASE
106================= 162=================
107 163
108The filesystem maintains an internal database of all the cells it knows and 164The filesystem maintains an internal database of all the cells it knows and the
109the IP addresses of the volume location servers for those cells. The cell to 165IP addresses of the volume location servers for those cells. The cell to which
110which the computer belongs is added to the database when insmod is performed 166the system belongs is added to the database when insmod is performed by the
111by the "rootcell=" argument. 167"rootcell=" argument or, if compiled in, using a "kafs.rootcell=" argument on
168the kernel command line.
112 169
113Further cells can be added by commands similar to the following: 170Further cells can be added by commands similar to the following:
114 171
@@ -118,20 +175,65 @@ Further cells can be added by commands similar to the following:
118No other cell database operations are available at this time. 175No other cell database operations are available at this time.
119 176
120 177
178========
179SECURITY
180========
181
182Secure operations are initiated by acquiring a key using the klog program. A
183very primitive klog program is available at:
184
185 http://people.redhat.com/~dhowells/rxrpc/klog.c
186
187This should be compiled by:
188
189 make klog LDLIBS="-lcrypto -lcrypt -lkrb4 -lkeyutils"
190
191And then run as:
192
193 ./klog
194
195Assuming it's successful, this adds a key of type RxRPC, named for the service
196and cell, eg: "afs@<cellname>". This can be viewed with the keyctl program or
197by cat'ing /proc/keys:
198
199 [root@andromeda ~]# keyctl show
200 Session Keyring
201 -3 --alswrv 0 0 keyring: _ses.3268
202 2 --alswrv 0 0 \_ keyring: _uid.0
203 111416553 --als--v 0 0 \_ rxrpc: afs@CAMBRIDGE.REDHAT.COM
204
205Currently the username, realm, password and proposed ticket lifetime are
206compiled in to the program.
207
208It is not required to acquire a key before using AFS facilities, but if one is
209not acquired then all operations will be governed by the anonymous user parts
210of the ACLs.
211
212If a key is acquired, then all AFS operations, including mounts and automounts,
213made by a possessor of that key will be secured with that key.
214
215If a file is opened with a particular key and then the file descriptor is
216passed to a process that doesn't have that key (perhaps over an AF_UNIX
217socket), then the operations on the file will be made with key that was used to
218open the file.
219
220
221========
121EXAMPLES 222EXAMPLES
122======== 223========
123 224
124Here's what I use to test this. Some of the names and IP addresses are local 225Here's what I use to test this. Some of the names and IP addresses are local
125to my internal DNS. My "root.afs" partition has a mount point within it for 226to my internal DNS. My "root.afs" partition has a mount point within it for
126some public volumes volumes. 227some public volumes volumes.
127 228
128insmod -S /tmp/rxrpc.o 229insmod /tmp/rxrpc.o
129insmod -S /tmp/kafs.o rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91 230insmod /tmp/rxkad.o
231insmod /tmp/kafs.o rootcell=cambridge.redhat.com:172.16.18.91
130 232
131mount -t afs \%root.afs. /afs 233mount -t afs \%root.afs. /afs
132mount -t afs \%cambridge.redhat.com:root.cell. /afs/cambridge.redhat.com/ 234mount -t afs \%cambridge.redhat.com:root.cell. /afs/cambridge.redhat.com/
133 235
134echo add grand.central.org 18.7.14.88:128.2.191.224 > /proc/fs/afs/cells 236echo add grand.central.org 18.7.14.88:128.2.191.224 > /proc/fs/afs/cells
135mount -t afs "#grand.central.org:root.cell." /afs/grand.central.org/ 237mount -t afs "#grand.central.org:root.cell." /afs/grand.central.org/
136mount -t afs "#grand.central.org:root.archive." /afs/grand.central.org/archive 238mount -t afs "#grand.central.org:root.archive." /afs/grand.central.org/archive
137mount -t afs "#grand.central.org:root.contrib." /afs/grand.central.org/contrib 239mount -t afs "#grand.central.org:root.contrib." /afs/grand.central.org/contrib
@@ -141,15 +243,7 @@ mount -t afs "#grand.central.org:root.service." /afs/grand.central.org/service
141mount -t afs "#grand.central.org:root.software." /afs/grand.central.org/software 243mount -t afs "#grand.central.org:root.software." /afs/grand.central.org/software
142mount -t afs "#grand.central.org:root.user." /afs/grand.central.org/user 244mount -t afs "#grand.central.org:root.user." /afs/grand.central.org/user
143 245
144umount /afs/grand.central.org/user
145umount /afs/grand.central.org/software
146umount /afs/grand.central.org/service
147umount /afs/grand.central.org/project
148umount /afs/grand.central.org/doc
149umount /afs/grand.central.org/contrib
150umount /afs/grand.central.org/archive
151umount /afs/grand.central.org
152umount /afs/cambridge.redhat.com
153umount /afs 246umount /afs
154rmmod kafs 247rmmod kafs
248rmmod rxkad
155rmmod rxrpc 249rmmod rxrpc
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 5484ab5efd4f..7aaf09b86a55 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1421,6 +1421,15 @@ fewer messages that will be written. Message_burst controls when messages will
1421be dropped. The default settings limit warning messages to one every five 1421be dropped. The default settings limit warning messages to one every five
1422seconds. 1422seconds.
1423 1423
1424warnings
1425--------
1426
1427This controls console messages from the networking stack that can occur because
1428of problems on the network like duplicate address or bad checksums. Normally,
1429this should be enabled, but if the problem persists the messages can be
1430disabled.
1431
1432
1424netdev_max_backlog 1433netdev_max_backlog
1425------------------ 1434------------------
1426 1435
diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt
index 989f1130f4f3..f8528db967fa 100644
--- a/Documentation/gpio.txt
+++ b/Documentation/gpio.txt
@@ -27,7 +27,7 @@ The exact capabilities of GPIOs vary between systems. Common options:
27 - Output values are writable (high=1, low=0). Some chips also have 27 - Output values are writable (high=1, low=0). Some chips also have
28 options about how that value is driven, so that for example only one 28 options about how that value is driven, so that for example only one
29 value might be driven ... supporting "wire-OR" and similar schemes 29 value might be driven ... supporting "wire-OR" and similar schemes
30 for the other value. 30 for the other value (notably, "open drain" signaling).
31 31
32 - Input values are likewise readable (1, 0). Some chips support readback 32 - Input values are likewise readable (1, 0). Some chips support readback
33 of pins configured as "output", which is very useful in such "wire-OR" 33 of pins configured as "output", which is very useful in such "wire-OR"
@@ -247,6 +247,35 @@ with gpio_get_value(), for example to initialize or update driver state
247when the IRQ is edge-triggered. 247when the IRQ is edge-triggered.
248 248
249 249
250Emulating Open Drain Signals
251----------------------------
252Sometimes shared signals need to use "open drain" signaling, where only the
253low signal level is actually driven. (That term applies to CMOS transistors;
254"open collector" is used for TTL.) A pullup resistor causes the high signal
255level. This is sometimes called a "wire-AND"; or more practically, from the
256negative logic (low=true) perspective this is a "wire-OR".
257
258One common example of an open drain signal is a shared active-low IRQ line.
259Also, bidirectional data bus signals sometimes use open drain signals.
260
261Some GPIO controllers directly support open drain outputs; many don't. When
262you need open drain signaling but your hardware doesn't directly support it,
263there's a common idiom you can use to emulate it with any GPIO pin that can
264be used as either an input or an output:
265
266 LOW: gpio_direction_output(gpio, 0) ... this drives the signal
267 and overrides the pullup.
268
269 HIGH: gpio_direction_input(gpio) ... this turns off the output,
270 so the pullup (or some other device) controls the signal.
271
272If you are "driving" the signal high but gpio_get_value(gpio) reports a low
273value (after the appropriate rise time passes), you know some other component
274is driving the shared signal low. That's not necessarily an error. As one
275common example, that's how I2C clocks are stretched: a slave that needs a
276slower clock delays the rising edge of SCK, and the I2C master adjusts its
277signaling rate accordingly.
278
250 279
251What do these conventions omit? 280What do these conventions omit?
252=============================== 281===============================
diff --git a/Documentation/infiniband/user_mad.txt b/Documentation/infiniband/user_mad.txt
index 750fe5e80ebc..8ec54b974b67 100644
--- a/Documentation/infiniband/user_mad.txt
+++ b/Documentation/infiniband/user_mad.txt
@@ -91,6 +91,14 @@ Sending MADs
91 if (ret != sizeof *mad + mad_length) 91 if (ret != sizeof *mad + mad_length)
92 perror("write"); 92 perror("write");
93 93
94Transaction IDs
95
96 Users of the umad devices can use the lower 32 bits of the
97 transaction ID field (that is, the least significant half of the
98 field in network byte order) in MADs being sent to match
99 request/response pairs. The upper 32 bits are reserved for use by
100 the kernel and will be overwritten before a MAD is sent.
101
94Setting IsSM Capability Bit 102Setting IsSM Capability Bit
95 103
96 To set the IsSM capability bit for a port, simply open the 104 To set the IsSM capability bit for a port, simply open the
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 12533a958c51..2017942e0966 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1792,7 +1792,7 @@ and is between 256 and 4096 characters. It is defined in the file
1792 for newly-detected USB devices (default 2). This 1792 for newly-detected USB devices (default 2). This
1793 is the time required before an idle device will be 1793 is the time required before an idle device will be
1794 autosuspended. Devices for which the delay is set 1794 autosuspended. Devices for which the delay is set
1795 to 0 won't be autosuspended at all. 1795 to a negative value won't be autosuspended at all.
1796 1796
1797 usbhid.mousepoll= 1797 usbhid.mousepoll=
1798 [USBHID] The interval which mice are to be polled at. 1798 [USBHID] The interval which mice are to be polled at.
diff --git a/Documentation/keys.txt b/Documentation/keys.txt
index 60c665d9cfaa..81d9aa097298 100644
--- a/Documentation/keys.txt
+++ b/Documentation/keys.txt
@@ -859,6 +859,18 @@ payload contents" for more information.
859 void unregister_key_type(struct key_type *type); 859 void unregister_key_type(struct key_type *type);
860 860
861 861
862Under some circumstances, it may be desirable to desirable to deal with a
863bundle of keys. The facility provides access to the keyring type for managing
864such a bundle:
865
866 struct key_type key_type_keyring;
867
868This can be used with a function such as request_key() to find a specific
869keyring in a process's keyrings. A keyring thus found can then be searched
870with keyring_search(). Note that it is not possible to use request_key() to
871search a specific keyring, so using keyrings in this way is of limited utility.
872
873
862=================================== 874===================================
863NOTES ON ACCESSING PAYLOAD CONTENTS 875NOTES ON ACCESSING PAYLOAD CONTENTS
864=================================== 876===================================
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index de809e58092f..1da566630831 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -920,40 +920,9 @@ options, you may wish to use the "max_bonds" module parameter,
920documented above. 920documented above.
921 921
922 To create multiple bonding devices with differing options, it 922 To create multiple bonding devices with differing options, it
923is necessary to load the bonding driver multiple times. Note that 923is necessary to use bonding parameters exported by sysfs, documented
924current versions of the sysconfig network initialization scripts 924in the section below.
925handle this automatically; if your distro uses these scripts, no
926special action is needed. See the section Configuring Bonding
927Devices, above, if you're not sure about your network initialization
928scripts.
929
930 To load multiple instances of the module, it is necessary to
931specify a different name for each instance (the module loading system
932requires that every loaded module, even multiple instances of the same
933module, have a unique name). This is accomplished by supplying
934multiple sets of bonding options in /etc/modprobe.conf, for example:
935
936alias bond0 bonding
937options bond0 -o bond0 mode=balance-rr miimon=100
938
939alias bond1 bonding
940options bond1 -o bond1 mode=balance-alb miimon=50
941
942 will load the bonding module two times. The first instance is
943named "bond0" and creates the bond0 device in balance-rr mode with an
944miimon of 100. The second instance is named "bond1" and creates the
945bond1 device in balance-alb mode with an miimon of 50.
946
947 In some circumstances (typically with older distributions),
948the above does not work, and the second bonding instance never sees
949its options. In that case, the second options line can be substituted
950as follows:
951
952install bond1 /sbin/modprobe --ignore-install bonding -o bond1 \
953 mode=balance-alb miimon=50
954 925
955 This may be repeated any number of times, specifying a new and
956unique name in place of bond1 for each subsequent instance.
957 926
9583.4 Configuring Bonding Manually via Sysfs 9273.4 Configuring Bonding Manually via Sysfs
959------------------------------------------ 928------------------------------------------
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index 387482e46c47..4504cc59e405 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -57,6 +57,16 @@ DCCP_SOCKOPT_SEND_CSCOV is for the receiver and has a different meaning: it
57 coverage value are also acceptable. The higher the number, the more 57 coverage value are also acceptable. The higher the number, the more
58 restrictive this setting (see [RFC 4340, sec. 9.2.1]). 58 restrictive this setting (see [RFC 4340, sec. 9.2.1]).
59 59
60The following two options apply to CCID 3 exclusively and are getsockopt()-only.
61In either case, a TFRC info struct (defined in <linux/tfrc.h>) is returned.
62DCCP_SOCKOPT_CCID_RX_INFO
63 Returns a `struct tfrc_rx_info' in optval; the buffer for optval and
64 optlen must be set to at least sizeof(struct tfrc_rx_info).
65DCCP_SOCKOPT_CCID_TX_INFO
66 Returns a `struct tfrc_tx_info' in optval; the buffer for optval and
67 optlen must be set to at least sizeof(struct tfrc_tx_info).
68
69
60Sysctl variables 70Sysctl variables
61================ 71================
62Several DCCP default parameters can be managed by the following sysctls 72Several DCCP default parameters can be managed by the following sysctls
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d3aae1f9b4c1..af6a63ab9026 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -179,11 +179,31 @@ tcp_fin_timeout - INTEGER
179 because they eat maximum 1.5K of memory, but they tend 179 because they eat maximum 1.5K of memory, but they tend
180 to live longer. Cf. tcp_max_orphans. 180 to live longer. Cf. tcp_max_orphans.
181 181
182tcp_frto - BOOLEAN 182tcp_frto - INTEGER
183 Enables F-RTO, an enhanced recovery algorithm for TCP retransmission 183 Enables F-RTO, an enhanced recovery algorithm for TCP retransmission
184 timeouts. It is particularly beneficial in wireless environments 184 timeouts. It is particularly beneficial in wireless environments
185 where packet loss is typically due to random radio interference 185 where packet loss is typically due to random radio interference
186 rather than intermediate router congestion. 186 rather than intermediate router congestion. If set to 1, basic
187 version is enabled. 2 enables SACK enhanced F-RTO, which is
188 EXPERIMENTAL. The basic version can be used also when SACK is
189 enabled for a flow through tcp_sack sysctl.
190
191tcp_frto_response - INTEGER
192 When F-RTO has detected that a TCP retransmission timeout was
193 spurious (i.e, the timeout would have been avoided had TCP set a
194 longer retransmission timeout), TCP has several options what to do
195 next. Possible values are:
196 0 Rate halving based; a smooth and conservative response,
197 results in halved cwnd and ssthresh after one RTT
198 1 Very conservative response; not recommended because even
199 though being valid, it interacts poorly with the rest of
200 Linux TCP, halves cwnd and ssthresh immediately
201 2 Aggressive response; undoes congestion control measures
202 that are now known to be unnecessary (ignoring the
203 possibility of a lost retransmission that would require
204 TCP to be more cautious), cwnd and ssthresh are restored
205 to the values prior timeout
206 Default: 0 (rate halving based)
187 207
188tcp_keepalive_time - INTEGER 208tcp_keepalive_time - INTEGER
189 How often TCP sends out keepalive messages when keepalive is enabled. 209 How often TCP sends out keepalive messages when keepalive is enabled.
@@ -851,6 +871,15 @@ accept_redirects - BOOLEAN
851 Functional default: enabled if local forwarding is disabled. 871 Functional default: enabled if local forwarding is disabled.
852 disabled if local forwarding is enabled. 872 disabled if local forwarding is enabled.
853 873
874accept_source_route - INTEGER
875 Accept source routing (routing extension header).
876
877 > 0: Accept routing header.
878 = 0: Accept only routing header type 2.
879 < 0: Do not accept routing header.
880
881 Default: 0
882
854autoconf - BOOLEAN 883autoconf - BOOLEAN
855 Autoconfigure addresses using Prefix Information in Router 884 Autoconfigure addresses using Prefix Information in Router
856 Advertisements. 885 Advertisements.
@@ -986,7 +1015,12 @@ bridge-nf-call-ip6tables - BOOLEAN
986 Default: 1 1015 Default: 1
987 1016
988bridge-nf-filter-vlan-tagged - BOOLEAN 1017bridge-nf-filter-vlan-tagged - BOOLEAN
989 1 : pass bridged vlan-tagged ARP/IP traffic to arptables/iptables. 1018 1 : pass bridged vlan-tagged ARP/IP/IPv6 traffic to {arp,ip,ip6}tables.
1019 0 : disable this.
1020 Default: 1
1021
1022bridge-nf-filter-pppoe-tagged - BOOLEAN
1023 1 : pass bridged pppoe-tagged IP/IPv6 traffic to {ip,ip6}tables.
990 0 : disable this. 1024 0 : disable this.
991 Default: 1 1025 Default: 1
992 1026
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt
new file mode 100644
index 000000000000..cae231b1c134
--- /dev/null
+++ b/Documentation/networking/rxrpc.txt
@@ -0,0 +1,859 @@
1 ======================
2 RxRPC NETWORK PROTOCOL
3 ======================
4
5The RxRPC protocol driver provides a reliable two-phase transport on top of UDP
6that can be used to perform RxRPC remote operations. This is done over sockets
7of AF_RXRPC family, using sendmsg() and recvmsg() with control data to send and
8receive data, aborts and errors.
9
10Contents of this document:
11
12 (*) Overview.
13
14 (*) RxRPC protocol summary.
15
16 (*) AF_RXRPC driver model.
17
18 (*) Control messages.
19
20 (*) Socket options.
21
22 (*) Security.
23
24 (*) Example client usage.
25
26 (*) Example server usage.
27
28 (*) AF_RXRPC kernel interface.
29
30
31========
32OVERVIEW
33========
34
35RxRPC is a two-layer protocol. There is a session layer which provides
36reliable virtual connections using UDP over IPv4 (or IPv6) as the transport
37layer, but implements a real network protocol; and there's the presentation
38layer which renders structured data to binary blobs and back again using XDR
39(as does SunRPC):
40
41 +-------------+
42 | Application |
43 +-------------+
44 | XDR | Presentation
45 +-------------+
46 | RxRPC | Session
47 +-------------+
48 | UDP | Transport
49 +-------------+
50
51
52AF_RXRPC provides:
53
54 (1) Part of an RxRPC facility for both kernel and userspace applications by
55 making the session part of it a Linux network protocol (AF_RXRPC).
56
57 (2) A two-phase protocol. The client transmits a blob (the request) and then
58 receives a blob (the reply), and the server receives the request and then
59 transmits the reply.
60
61 (3) Retention of the reusable bits of the transport system set up for one call
62 to speed up subsequent calls.
63
64 (4) A secure protocol, using the Linux kernel's key retention facility to
65 manage security on the client end. The server end must of necessity be
66 more active in security negotiations.
67
68AF_RXRPC does not provide XDR marshalling/presentation facilities. That is
69left to the application. AF_RXRPC only deals in blobs. Even the operation ID
70is just the first four bytes of the request blob, and as such is beyond the
71kernel's interest.
72
73
74Sockets of AF_RXRPC family are:
75
76 (1) created as type SOCK_DGRAM;
77
78 (2) provided with a protocol of the type of underlying transport they're going
79 to use - currently only PF_INET is supported.
80
81
82The Andrew File System (AFS) is an example of an application that uses this and
83that has both kernel (filesystem) and userspace (utility) components.
84
85
86======================
87RXRPC PROTOCOL SUMMARY
88======================
89
90An overview of the RxRPC protocol:
91
92 (*) RxRPC sits on top of another networking protocol (UDP is the only option
93 currently), and uses this to provide network transport. UDP ports, for
94 example, provide transport endpoints.
95
96 (*) RxRPC supports multiple virtual "connections" from any given transport
97 endpoint, thus allowing the endpoints to be shared, even to the same
98 remote endpoint.
99
100 (*) Each connection goes to a particular "service". A connection may not go
101 to multiple services. A service may be considered the RxRPC equivalent of
102 a port number. AF_RXRPC permits multiple services to share an endpoint.
103
104 (*) Client-originating packets are marked, thus a transport endpoint can be
105 shared between client and server connections (connections have a
106 direction).
107
108 (*) Up to a billion connections may be supported concurrently between one
109 local transport endpoint and one service on one remote endpoint. An RxRPC
110 connection is described by seven numbers:
111
112 Local address }
113 Local port } Transport (UDP) address
114 Remote address }
115 Remote port }
116 Direction
117 Connection ID
118 Service ID
119
120 (*) Each RxRPC operation is a "call". A connection may make up to four
121 billion calls, but only up to four calls may be in progress on a
122 connection at any one time.
123
124 (*) Calls are two-phase and asymmetric: the client sends its request data,
125 which the service receives; then the service transmits the reply data
126 which the client receives.
127
128 (*) The data blobs are of indefinite size, the end of a phase is marked with a
129 flag in the packet. The number of packets of data making up one blob may
130 not exceed 4 billion, however, as this would cause the sequence number to
131 wrap.
132
133 (*) The first four bytes of the request data are the service operation ID.
134
135 (*) Security is negotiated on a per-connection basis. The connection is
136 initiated by the first data packet on it arriving. If security is
137 requested, the server then issues a "challenge" and then the client
138 replies with a "response". If the response is successful, the security is
139 set for the lifetime of that connection, and all subsequent calls made
140 upon it use that same security. In the event that the server lets a
141 connection lapse before the client, the security will be renegotiated if
142 the client uses the connection again.
143
144 (*) Calls use ACK packets to handle reliability. Data packets are also
145 explicitly sequenced per call.
146
147 (*) There are two types of positive acknowledgement: hard-ACKs and soft-ACKs.
148 A hard-ACK indicates to the far side that all the data received to a point
149 has been received and processed; a soft-ACK indicates that the data has
150 been received but may yet be discarded and re-requested. The sender may
151 not discard any transmittable packets until they've been hard-ACK'd.
152
153 (*) Reception of a reply data packet implicitly hard-ACK's all the data
154 packets that make up the request.
155
156 (*) An call is complete when the request has been sent, the reply has been
157 received and the final hard-ACK on the last packet of the reply has
158 reached the server.
159
160 (*) An call may be aborted by either end at any time up to its completion.
161
162
163=====================
164AF_RXRPC DRIVER MODEL
165=====================
166
167About the AF_RXRPC driver:
168
169 (*) The AF_RXRPC protocol transparently uses internal sockets of the transport
170 protocol to represent transport endpoints.
171
172 (*) AF_RXRPC sockets map onto RxRPC connection bundles. Actual RxRPC
173 connections are handled transparently. One client socket may be used to
174 make multiple simultaneous calls to the same service. One server socket
175 may handle calls from many clients.
176
177 (*) Additional parallel client connections will be initiated to support extra
178 concurrent calls, up to a tunable limit.
179
180 (*) Each connection is retained for a certain amount of time [tunable] after
181 the last call currently using it has completed in case a new call is made
182 that could reuse it.
183
184 (*) Each internal UDP socket is retained [tunable] for a certain amount of
185 time [tunable] after the last connection using it discarded, in case a new
186 connection is made that could use it.
187
188 (*) A client-side connection is only shared between calls if they have have
189 the same key struct describing their security (and assuming the calls
190 would otherwise share the connection). Non-secured calls would also be
191 able to share connections with each other.
192
193 (*) A server-side connection is shared if the client says it is.
194
195 (*) ACK'ing is handled by the protocol driver automatically, including ping
196 replying.
197
198 (*) SO_KEEPALIVE automatically pings the other side to keep the connection
199 alive [TODO].
200
201 (*) If an ICMP error is received, all calls affected by that error will be
202 aborted with an appropriate network error passed through recvmsg().
203
204
205Interaction with the user of the RxRPC socket:
206
207 (*) A socket is made into a server socket by binding an address with a
208 non-zero service ID.
209
210 (*) In the client, sending a request is achieved with one or more sendmsgs,
211 followed by the reply being received with one or more recvmsgs.
212
213 (*) The first sendmsg for a request to be sent from a client contains a tag to
214 be used in all other sendmsgs or recvmsgs associated with that call. The
215 tag is carried in the control data.
216
217 (*) connect() is used to supply a default destination address for a client
218 socket. This may be overridden by supplying an alternate address to the
219 first sendmsg() of a call (struct msghdr::msg_name).
220
221 (*) If connect() is called on an unbound client, a random local port will
222 bound before the operation takes place.
223
224 (*) A server socket may also be used to make client calls. To do this, the
225 first sendmsg() of the call must specify the target address. The server's
226 transport endpoint is used to send the packets.
227
228 (*) Once the application has received the last message associated with a call,
229 the tag is guaranteed not to be seen again, and so it can be used to pin
230 client resources. A new call can then be initiated with the same tag
231 without fear of interference.
232
233 (*) In the server, a request is received with one or more recvmsgs, then the
234 the reply is transmitted with one or more sendmsgs, and then the final ACK
235 is received with a last recvmsg.
236
237 (*) When sending data for a call, sendmsg is given MSG_MORE if there's more
238 data to come on that call.
239
240 (*) When receiving data for a call, recvmsg flags MSG_MORE if there's more
241 data to come for that call.
242
243 (*) When receiving data or messages for a call, MSG_EOR is flagged by recvmsg
244 to indicate the terminal message for that call.
245
246 (*) A call may be aborted by adding an abort control message to the control
247 data. Issuing an abort terminates the kernel's use of that call's tag.
248 Any messages waiting in the receive queue for that call will be discarded.
249
250 (*) Aborts, busy notifications and challenge packets are delivered by recvmsg,
251 and control data messages will be set to indicate the context. Receiving
252 an abort or a busy message terminates the kernel's use of that call's tag.
253
254 (*) The control data part of the msghdr struct is used for a number of things:
255
256 (*) The tag of the intended or affected call.
257
258 (*) Sending or receiving errors, aborts and busy notifications.
259
260 (*) Notifications of incoming calls.
261
262 (*) Sending debug requests and receiving debug replies [TODO].
263
264 (*) When the kernel has received and set up an incoming call, it sends a
265 message to server application to let it know there's a new call awaiting
266 its acceptance [recvmsg reports a special control message]. The server
267 application then uses sendmsg to assign a tag to the new call. Once that
268 is done, the first part of the request data will be delivered by recvmsg.
269
270 (*) The server application has to provide the server socket with a keyring of
271 secret keys corresponding to the security types it permits. When a secure
272 connection is being set up, the kernel looks up the appropriate secret key
273 in the keyring and then sends a challenge packet to the client and
274 receives a response packet. The kernel then checks the authorisation of
275 the packet and either aborts the connection or sets up the security.
276
277 (*) The name of the key a client will use to secure its communications is
278 nominated by a socket option.
279
280
281Notes on recvmsg:
282
283 (*) If there's a sequence of data messages belonging to a particular call on
284 the receive queue, then recvmsg will keep working through them until:
285
286 (a) it meets the end of that call's received data,
287
288 (b) it meets a non-data message,
289
290 (c) it meets a message belonging to a different call, or
291
292 (d) it fills the user buffer.
293
294 If recvmsg is called in blocking mode, it will keep sleeping, awaiting the
295 reception of further data, until one of the above four conditions is met.
296
297 (2) MSG_PEEK operates similarly, but will return immediately if it has put any
298 data in the buffer rather than sleeping until it can fill the buffer.
299
300 (3) If a data message is only partially consumed in filling a user buffer,
301 then the remainder of that message will be left on the front of the queue
302 for the next taker. MSG_TRUNC will never be flagged.
303
304 (4) If there is more data to be had on a call (it hasn't copied the last byte
305 of the last data message in that phase yet), then MSG_MORE will be
306 flagged.
307
308
309================
310CONTROL MESSAGES
311================
312
313AF_RXRPC makes use of control messages in sendmsg() and recvmsg() to multiplex
314calls, to invoke certain actions and to report certain conditions. These are:
315
316 MESSAGE ID SRT DATA MEANING
317 ======================= === =========== ===============================
318 RXRPC_USER_CALL_ID sr- User ID App's call specifier
319 RXRPC_ABORT srt Abort code Abort code to issue/received
320 RXRPC_ACK -rt n/a Final ACK received
321 RXRPC_NET_ERROR -rt error num Network error on call
322 RXRPC_BUSY -rt n/a Call rejected (server busy)
323 RXRPC_LOCAL_ERROR -rt error num Local error encountered
324 RXRPC_NEW_CALL -r- n/a New call received
325 RXRPC_ACCEPT s-- n/a Accept new call
326
327 (SRT = usable in Sendmsg / delivered by Recvmsg / Terminal message)
328
329 (*) RXRPC_USER_CALL_ID
330
331 This is used to indicate the application's call ID. It's an unsigned long
332 that the app specifies in the client by attaching it to the first data
333 message or in the server by passing it in association with an RXRPC_ACCEPT
334 message. recvmsg() passes it in conjunction with all messages except
335 those of the RXRPC_NEW_CALL message.
336
337 (*) RXRPC_ABORT
338
339 This is can be used by an application to abort a call by passing it to
340 sendmsg, or it can be delivered by recvmsg to indicate a remote abort was
341 received. Either way, it must be associated with an RXRPC_USER_CALL_ID to
342 specify the call affected. If an abort is being sent, then error EBADSLT
343 will be returned if there is no call with that user ID.
344
345 (*) RXRPC_ACK
346
347 This is delivered to a server application to indicate that the final ACK
348 of a call was received from the client. It will be associated with an
349 RXRPC_USER_CALL_ID to indicate the call that's now complete.
350
351 (*) RXRPC_NET_ERROR
352
353 This is delivered to an application to indicate that an ICMP error message
354 was encountered in the process of trying to talk to the peer. An
355 errno-class integer value will be included in the control message data
356 indicating the problem, and an RXRPC_USER_CALL_ID will indicate the call
357 affected.
358
359 (*) RXRPC_BUSY
360
361 This is delivered to a client application to indicate that a call was
362 rejected by the server due to the server being busy. It will be
363 associated with an RXRPC_USER_CALL_ID to indicate the rejected call.
364
365 (*) RXRPC_LOCAL_ERROR
366
367 This is delivered to an application to indicate that a local error was
368 encountered and that a call has been aborted because of it. An
369 errno-class integer value will be included in the control message data
370 indicating the problem, and an RXRPC_USER_CALL_ID will indicate the call
371 affected.
372
373 (*) RXRPC_NEW_CALL
374
375 This is delivered to indicate to a server application that a new call has
376 arrived and is awaiting acceptance. No user ID is associated with this,
377 as a user ID must subsequently be assigned by doing an RXRPC_ACCEPT.
378
379 (*) RXRPC_ACCEPT
380
381 This is used by a server application to attempt to accept a call and
382 assign it a user ID. It should be associated with an RXRPC_USER_CALL_ID
383 to indicate the user ID to be assigned. If there is no call to be
384 accepted (it may have timed out, been aborted, etc.), then sendmsg will
385 return error ENODATA. If the user ID is already in use by another call,
386 then error EBADSLT will be returned.
387
388
389==============
390SOCKET OPTIONS
391==============
392
393AF_RXRPC sockets support a few socket options at the SOL_RXRPC level:
394
395 (*) RXRPC_SECURITY_KEY
396
397 This is used to specify the description of the key to be used. The key is
398 extracted from the calling process's keyrings with request_key() and
399 should be of "rxrpc" type.
400
401 The optval pointer points to the description string, and optlen indicates
402 how long the string is, without the NUL terminator.
403
404 (*) RXRPC_SECURITY_KEYRING
405
406 Similar to above but specifies a keyring of server secret keys to use (key
407 type "keyring"). See the "Security" section.
408
409 (*) RXRPC_EXCLUSIVE_CONNECTION
410
411 This is used to request that new connections should be used for each call
412 made subsequently on this socket. optval should be NULL and optlen 0.
413
414 (*) RXRPC_MIN_SECURITY_LEVEL
415
416 This is used to specify the minimum security level required for calls on
417 this socket. optval must point to an int containing one of the following
418 values:
419
420 (a) RXRPC_SECURITY_PLAIN
421
422 Encrypted checksum only.
423
424 (b) RXRPC_SECURITY_AUTH
425
426 Encrypted checksum plus packet padded and first eight bytes of packet
427 encrypted - which includes the actual packet length.
428
429 (c) RXRPC_SECURITY_ENCRYPTED
430
431 Encrypted checksum plus entire packet padded and encrypted, including
432 actual packet length.
433
434
435========
436SECURITY
437========
438
439Currently, only the kerberos 4 equivalent protocol has been implemented
440(security index 2 - rxkad). This requires the rxkad module to be loaded and,
441on the client, tickets of the appropriate type to be obtained from the AFS
442kaserver or the kerberos server and installed as "rxrpc" type keys. This is
443normally done using the klog program. An example simple klog program can be
444found at:
445
446 http://people.redhat.com/~dhowells/rxrpc/klog.c
447
448The payload provided to add_key() on the client should be of the following
449form:
450
451 struct rxrpc_key_sec2_v1 {
452 uint16_t security_index; /* 2 */
453 uint16_t ticket_length; /* length of ticket[] */
454 uint32_t expiry; /* time at which expires */
455 uint8_t kvno; /* key version number */
456 uint8_t __pad[3];
457 uint8_t session_key[8]; /* DES session key */
458 uint8_t ticket[0]; /* the encrypted ticket */
459 };
460
461Where the ticket blob is just appended to the above structure.
462
463
464For the server, keys of type "rxrpc_s" must be made available to the server.
465They have a description of "<serviceID>:<securityIndex>" (eg: "52:2" for an
466rxkad key for the AFS VL service). When such a key is created, it should be
467given the server's secret key as the instantiation data (see the example
468below).
469
470 add_key("rxrpc_s", "52:2", secret_key, 8, keyring);
471
472A keyring is passed to the server socket by naming it in a sockopt. The server
473socket then looks the server secret keys up in this keyring when secure
474incoming connections are made. This can be seen in an example program that can
475be found at:
476
477 http://people.redhat.com/~dhowells/rxrpc/listen.c
478
479
480====================
481EXAMPLE CLIENT USAGE
482====================
483
484A client would issue an operation by:
485
486 (1) An RxRPC socket is set up by:
487
488 client = socket(AF_RXRPC, SOCK_DGRAM, PF_INET);
489
490 Where the third parameter indicates the protocol family of the transport
491 socket used - usually IPv4 but it can also be IPv6 [TODO].
492
493 (2) A local address can optionally be bound:
494
495 struct sockaddr_rxrpc srx = {
496 .srx_family = AF_RXRPC,
497 .srx_service = 0, /* we're a client */
498 .transport_type = SOCK_DGRAM, /* type of transport socket */
499 .transport.sin_family = AF_INET,
500 .transport.sin_port = htons(7000), /* AFS callback */
501 .transport.sin_address = 0, /* all local interfaces */
502 };
503 bind(client, &srx, sizeof(srx));
504
505 This specifies the local UDP port to be used. If not given, a random
506 non-privileged port will be used. A UDP port may be shared between
507 several unrelated RxRPC sockets. Security is handled on a basis of
508 per-RxRPC virtual connection.
509
510 (3) The security is set:
511
512 const char *key = "AFS:cambridge.redhat.com";
513 setsockopt(client, SOL_RXRPC, RXRPC_SECURITY_KEY, key, strlen(key));
514
515 This issues a request_key() to get the key representing the security
516 context. The minimum security level can be set:
517
518 unsigned int sec = RXRPC_SECURITY_ENCRYPTED;
519 setsockopt(client, SOL_RXRPC, RXRPC_MIN_SECURITY_LEVEL,
520 &sec, sizeof(sec));
521
522 (4) The server to be contacted can then be specified (alternatively this can
523 be done through sendmsg):
524
525 struct sockaddr_rxrpc srx = {
526 .srx_family = AF_RXRPC,
527 .srx_service = VL_SERVICE_ID,
528 .transport_type = SOCK_DGRAM, /* type of transport socket */
529 .transport.sin_family = AF_INET,
530 .transport.sin_port = htons(7005), /* AFS volume manager */
531 .transport.sin_address = ...,
532 };
533 connect(client, &srx, sizeof(srx));
534
535 (5) The request data should then be posted to the server socket using a series
536 of sendmsg() calls, each with the following control message attached:
537
538 RXRPC_USER_CALL_ID - specifies the user ID for this call
539
540 MSG_MORE should be set in msghdr::msg_flags on all but the last part of
541 the request. Multiple requests may be made simultaneously.
542
543 If a call is intended to go to a destination other then the default
544 specified through connect(), then msghdr::msg_name should be set on the
545 first request message of that call.
546
547 (6) The reply data will then be posted to the server socket for recvmsg() to
548 pick up. MSG_MORE will be flagged by recvmsg() if there's more reply data
549 for a particular call to be read. MSG_EOR will be set on the terminal
550 read for a call.
551
552 All data will be delivered with the following control message attached:
553
554 RXRPC_USER_CALL_ID - specifies the user ID for this call
555
556 If an abort or error occurred, this will be returned in the control data
557 buffer instead, and MSG_EOR will be flagged to indicate the end of that
558 call.
559
560
561====================
562EXAMPLE SERVER USAGE
563====================
564
565A server would be set up to accept operations in the following manner:
566
567 (1) An RxRPC socket is created by:
568
569 server = socket(AF_RXRPC, SOCK_DGRAM, PF_INET);
570
571 Where the third parameter indicates the address type of the transport
572 socket used - usually IPv4.
573
574 (2) Security is set up if desired by giving the socket a keyring with server
575 secret keys in it:
576
577 keyring = add_key("keyring", "AFSkeys", NULL, 0,
578 KEY_SPEC_PROCESS_KEYRING);
579
580 const char secret_key[8] = {
581 0xa7, 0x83, 0x8a, 0xcb, 0xc7, 0x83, 0xec, 0x94 };
582 add_key("rxrpc_s", "52:2", secret_key, 8, keyring);
583
584 setsockopt(server, SOL_RXRPC, RXRPC_SECURITY_KEYRING, "AFSkeys", 7);
585
586 The keyring can be manipulated after it has been given to the socket. This
587 permits the server to add more keys, replace keys, etc. whilst it is live.
588
589 (2) A local address must then be bound:
590
591 struct sockaddr_rxrpc srx = {
592 .srx_family = AF_RXRPC,
593 .srx_service = VL_SERVICE_ID, /* RxRPC service ID */
594 .transport_type = SOCK_DGRAM, /* type of transport socket */
595 .transport.sin_family = AF_INET,
596 .transport.sin_port = htons(7000), /* AFS callback */
597 .transport.sin_address = 0, /* all local interfaces */
598 };
599 bind(server, &srx, sizeof(srx));
600
601 (3) The server is then set to listen out for incoming calls:
602
603 listen(server, 100);
604
605 (4) The kernel notifies the server of pending incoming connections by sending
606 it a message for each. This is received with recvmsg() on the server
607 socket. It has no data, and has a single dataless control message
608 attached:
609
610 RXRPC_NEW_CALL
611
612 The address that can be passed back by recvmsg() at this point should be
613 ignored since the call for which the message was posted may have gone by
614 the time it is accepted - in which case the first call still on the queue
615 will be accepted.
616
617 (5) The server then accepts the new call by issuing a sendmsg() with two
618 pieces of control data and no actual data:
619
620 RXRPC_ACCEPT - indicate connection acceptance
621 RXRPC_USER_CALL_ID - specify user ID for this call
622
623 (6) The first request data packet will then be posted to the server socket for
624 recvmsg() to pick up. At that point, the RxRPC address for the call can
625 be read from the address fields in the msghdr struct.
626
627 Subsequent request data will be posted to the server socket for recvmsg()
628 to collect as it arrives. All but the last piece of the request data will
629 be delivered with MSG_MORE flagged.
630
631 All data will be delivered with the following control message attached:
632
633 RXRPC_USER_CALL_ID - specifies the user ID for this call
634
635 (8) The reply data should then be posted to the server socket using a series
636 of sendmsg() calls, each with the following control messages attached:
637
638 RXRPC_USER_CALL_ID - specifies the user ID for this call
639
640 MSG_MORE should be set in msghdr::msg_flags on all but the last message
641 for a particular call.
642
643 (9) The final ACK from the client will be posted for retrieval by recvmsg()
644 when it is received. It will take the form of a dataless message with two
645 control messages attached:
646
647 RXRPC_USER_CALL_ID - specifies the user ID for this call
648 RXRPC_ACK - indicates final ACK (no data)
649
650 MSG_EOR will be flagged to indicate that this is the final message for
651 this call.
652
653(10) Up to the point the final packet of reply data is sent, the call can be
654 aborted by calling sendmsg() with a dataless message with the following
655 control messages attached:
656
657 RXRPC_USER_CALL_ID - specifies the user ID for this call
658 RXRPC_ABORT - indicates abort code (4 byte data)
659
660 Any packets waiting in the socket's receive queue will be discarded if
661 this is issued.
662
663Note that all the communications for a particular service take place through
664the one server socket, using control messages on sendmsg() and recvmsg() to
665determine the call affected.
666
667
668=========================
669AF_RXRPC KERNEL INTERFACE
670=========================
671
672The AF_RXRPC module also provides an interface for use by in-kernel utilities
673such as the AFS filesystem. This permits such a utility to:
674
675 (1) Use different keys directly on individual client calls on one socket
676 rather than having to open a whole slew of sockets, one for each key it
677 might want to use.
678
679 (2) Avoid having RxRPC call request_key() at the point of issue of a call or
680 opening of a socket. Instead the utility is responsible for requesting a
681 key at the appropriate point. AFS, for instance, would do this during VFS
682 operations such as open() or unlink(). The key is then handed through
683 when the call is initiated.
684
685 (3) Request the use of something other than GFP_KERNEL to allocate memory.
686
687 (4) Avoid the overhead of using the recvmsg() call. RxRPC messages can be
688 intercepted before they get put into the socket Rx queue and the socket
689 buffers manipulated directly.
690
691To use the RxRPC facility, a kernel utility must still open an AF_RXRPC socket,
692bind an addess as appropriate and listen if it's to be a server socket, but
693then it passes this to the kernel interface functions.
694
695The kernel interface functions are as follows:
696
697 (*) Begin a new client call.
698
699 struct rxrpc_call *
700 rxrpc_kernel_begin_call(struct socket *sock,
701 struct sockaddr_rxrpc *srx,
702 struct key *key,
703 unsigned long user_call_ID,
704 gfp_t gfp);
705
706 This allocates the infrastructure to make a new RxRPC call and assigns
707 call and connection numbers. The call will be made on the UDP port that
708 the socket is bound to. The call will go to the destination address of a
709 connected client socket unless an alternative is supplied (srx is
710 non-NULL).
711
712 If a key is supplied then this will be used to secure the call instead of
713 the key bound to the socket with the RXRPC_SECURITY_KEY sockopt. Calls
714 secured in this way will still share connections if at all possible.
715
716 The user_call_ID is equivalent to that supplied to sendmsg() in the
717 control data buffer. It is entirely feasible to use this to point to a
718 kernel data structure.
719
720 If this function is successful, an opaque reference to the RxRPC call is
721 returned. The caller now holds a reference on this and it must be
722 properly ended.
723
724 (*) End a client call.
725
726 void rxrpc_kernel_end_call(struct rxrpc_call *call);
727
728 This is used to end a previously begun call. The user_call_ID is expunged
729 from AF_RXRPC's knowledge and will not be seen again in association with
730 the specified call.
731
732 (*) Send data through a call.
733
734 int rxrpc_kernel_send_data(struct rxrpc_call *call, struct msghdr *msg,
735 size_t len);
736
737 This is used to supply either the request part of a client call or the
738 reply part of a server call. msg.msg_iovlen and msg.msg_iov specify the
739 data buffers to be used. msg_iov may not be NULL and must point
740 exclusively to in-kernel virtual addresses. msg.msg_flags may be given
741 MSG_MORE if there will be subsequent data sends for this call.
742
743 The msg must not specify a destination address, control data or any flags
744 other than MSG_MORE. len is the total amount of data to transmit.
745
746 (*) Abort a call.
747
748 void rxrpc_kernel_abort_call(struct rxrpc_call *call, u32 abort_code);
749
750 This is used to abort a call if it's still in an abortable state. The
751 abort code specified will be placed in the ABORT message sent.
752
753 (*) Intercept received RxRPC messages.
754
755 typedef void (*rxrpc_interceptor_t)(struct sock *sk,
756 unsigned long user_call_ID,
757 struct sk_buff *skb);
758
759 void
760 rxrpc_kernel_intercept_rx_messages(struct socket *sock,
761 rxrpc_interceptor_t interceptor);
762
763 This installs an interceptor function on the specified AF_RXRPC socket.
764 All messages that would otherwise wind up in the socket's Rx queue are
765 then diverted to this function. Note that care must be taken to process
766 the messages in the right order to maintain DATA message sequentiality.
767
768 The interceptor function itself is provided with the address of the socket
769 and handling the incoming message, the ID assigned by the kernel utility
770 to the call and the socket buffer containing the message.
771
772 The skb->mark field indicates the type of message:
773
774 MARK MEANING
775 =============================== =======================================
776 RXRPC_SKB_MARK_DATA Data message
777 RXRPC_SKB_MARK_FINAL_ACK Final ACK received for an incoming call
778 RXRPC_SKB_MARK_BUSY Client call rejected as server busy
779 RXRPC_SKB_MARK_REMOTE_ABORT Call aborted by peer
780 RXRPC_SKB_MARK_NET_ERROR Network error detected
781 RXRPC_SKB_MARK_LOCAL_ERROR Local error encountered
782 RXRPC_SKB_MARK_NEW_CALL New incoming call awaiting acceptance
783
784 The remote abort message can be probed with rxrpc_kernel_get_abort_code().
785 The two error messages can be probed with rxrpc_kernel_get_error_number().
786 A new call can be accepted with rxrpc_kernel_accept_call().
787
788 Data messages can have their contents extracted with the usual bunch of
789 socket buffer manipulation functions. A data message can be determined to
790 be the last one in a sequence with rxrpc_kernel_is_data_last(). When a
791 data message has been used up, rxrpc_kernel_data_delivered() should be
792 called on it..
793
794 Non-data messages should be handled to rxrpc_kernel_free_skb() to dispose
795 of. It is possible to get extra refs on all types of message for later
796 freeing, but this may pin the state of a call until the message is finally
797 freed.
798
799 (*) Accept an incoming call.
800
801 struct rxrpc_call *
802 rxrpc_kernel_accept_call(struct socket *sock,
803 unsigned long user_call_ID);
804
805 This is used to accept an incoming call and to assign it a call ID. This
806 function is similar to rxrpc_kernel_begin_call() and calls accepted must
807 be ended in the same way.
808
809 If this function is successful, an opaque reference to the RxRPC call is
810 returned. The caller now holds a reference on this and it must be
811 properly ended.
812
813 (*) Reject an incoming call.
814
815 int rxrpc_kernel_reject_call(struct socket *sock);
816
817 This is used to reject the first incoming call on the socket's queue with
818 a BUSY message. -ENODATA is returned if there were no incoming calls.
819 Other errors may be returned if the call had been aborted (-ECONNABORTED)
820 or had timed out (-ETIME).
821
822 (*) Record the delivery of a data message and free it.
823
824 void rxrpc_kernel_data_delivered(struct sk_buff *skb);
825
826 This is used to record a data message as having been delivered and to
827 update the ACK state for the call. The socket buffer will be freed.
828
829 (*) Free a message.
830
831 void rxrpc_kernel_free_skb(struct sk_buff *skb);
832
833 This is used to free a non-DATA socket buffer intercepted from an AF_RXRPC
834 socket.
835
836 (*) Determine if a data message is the last one on a call.
837
838 bool rxrpc_kernel_is_data_last(struct sk_buff *skb);
839
840 This is used to determine if a socket buffer holds the last data message
841 to be received for a call (true will be returned if it does, false
842 if not).
843
844 The data message will be part of the reply on a client call and the
845 request on an incoming call. In the latter case there will be more
846 messages, but in the former case there will not.
847
848 (*) Get the abort code from an abort message.
849
850 u32 rxrpc_kernel_get_abort_code(struct sk_buff *skb);
851
852 This is used to extract the abort code from a remote abort message.
853
854 (*) Get the error number from a local or network error message.
855
856 int rxrpc_kernel_get_error_number(struct sk_buff *skb);
857
858 This is used to extract the error number from a message indicating either
859 a local error occurred or a network error occurred.
diff --git a/Documentation/networking/wan-router.txt b/Documentation/networking/wan-router.txt
index 653978dcea7f..07dd6d9930a1 100644
--- a/Documentation/networking/wan-router.txt
+++ b/Documentation/networking/wan-router.txt
@@ -250,7 +250,6 @@ PRODUCT COMPONENTS AND RELATED FILES
250 sdladrv.h SDLA support module API definitions 250 sdladrv.h SDLA support module API definitions
251 sdlasfm.h SDLA firmware module definitions 251 sdlasfm.h SDLA firmware module definitions
252 if_wanpipe.h WANPIPE Socket definitions 252 if_wanpipe.h WANPIPE Socket definitions
253 if_wanpipe_common.h WANPIPE Socket/Driver common definitions.
254 sdlapci.h WANPIPE PCI definitions 253 sdlapci.h WANPIPE PCI definitions
255 254
256 255
diff --git a/Documentation/s390/crypto/crypto-API.txt b/Documentation/s390/crypto/crypto-API.txt
deleted file mode 100644
index 71ae6ca9f2c2..000000000000
--- a/Documentation/s390/crypto/crypto-API.txt
+++ /dev/null
@@ -1,83 +0,0 @@
1crypto-API support for z990 Message Security Assist (MSA) instructions
2~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3
4AUTHOR: Thomas Spatzier (tspat@de.ibm.com)
5
6
71. Introduction crypto-API
8~~~~~~~~~~~~~~~~~~~~~~~~~~
9See Documentation/crypto/api-intro.txt for an introduction/description of the
10kernel crypto API.
11According to api-intro.txt support for z990 crypto instructions has been added
12in the algorithm api layer of the crypto API. Several files containing z990
13optimized implementations of crypto algorithms are placed in the
14arch/s390/crypto directory.
15
16
172. Probing for availability of MSA
18~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19It should be possible to use Kernels with the z990 crypto implementations both
20on machines with MSA available and on those without MSA (pre z990 or z990
21without MSA). Therefore a simple probing mechanism has been implemented:
22In the init function of each crypto module the availability of MSA and of the
23respective crypto algorithm in particular will be tested. If the algorithm is
24available the module will load and register its algorithm with the crypto API.
25
26If the respective crypto algorithm is not available, the init function will
27return -ENOSYS. In that case a fallback to the standard software implementation
28of the crypto algorithm must be taken ( -> the standard crypto modules are
29also built when compiling the kernel).
30
31
323. Ensuring z990 crypto module preference
33~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
34If z990 crypto instructions are available the optimized modules should be
35preferred instead of standard modules.
36
373.1. compiled-in modules
38~~~~~~~~~~~~~~~~~~~~~~~~
39For compiled-in modules it has to be ensured that the z990 modules are linked
40before the standard crypto modules. Then, on system startup the init functions
41of z990 crypto modules will be called first and query for availability of z990
42crypto instructions. If instruction is available, the z990 module will register
43its crypto algorithm implementation -> the load of the standard module will fail
44since the algorithm is already registered.
45If z990 crypto instruction is not available the load of the z990 module will
46fail -> the standard module will load and register its algorithm.
47
483.2. dynamic modules
49~~~~~~~~~~~~~~~~~~~~
50A system administrator has to take care of giving preference to z990 crypto
51modules. If MSA is available appropriate lines have to be added to
52/etc/modprobe.conf.
53
54Example: z990 crypto instruction for SHA1 algorithm is available
55
56 add the following line to /etc/modprobe.conf (assuming the
57 z990 crypto modules for SHA1 is called sha1_z990):
58
59 alias sha1 sha1_z990
60
61 -> when the sha1 algorithm is requested through the crypto API
62 (which has a module autoloader) the z990 module will be loaded.
63
64TBD: a userspace module probing mechanism
65 something like 'probe sha1 sha1_z990 sha1' in modprobe.conf
66 -> try module sha1_z990, if it fails to load standard module sha1
67 the 'probe' statement is currently not supported in modprobe.conf
68
69
704. Currently implemented z990 crypto algorithms
71~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
72The following crypto algorithms with z990 MSA support are currently implemented.
73The name of each algorithm under which it is registered in crypto API and the
74name of the respective module is given in square brackets.
75
76- SHA1 Digest Algorithm [sha1 -> sha1_z990]
77- DES Encrypt/Decrypt Algorithm (64bit key) [des -> des_z990]
78- Triple DES Encrypt/Decrypt Algorithm (128bit key) [des3_ede128 -> des_z990]
79- Triple DES Encrypt/Decrypt Algorithm (192bit key) [des3_ede -> des_z990]
80
81In order to load, for example, the sha1_z990 module when the sha1 algorithm is
82requested (see 3.2.) add 'alias sha1 sha1_z990' to /etc/modprobe.conf.
83
diff --git a/Documentation/s390/zfcpdump.txt b/Documentation/s390/zfcpdump.txt
new file mode 100644
index 000000000000..cf45d27c4608
--- /dev/null
+++ b/Documentation/s390/zfcpdump.txt
@@ -0,0 +1,87 @@
1s390 SCSI dump tool (zfcpdump)
2
3System z machines (z900 or higher) provide hardware support for creating system
4dumps on SCSI disks. The dump process is initiated by booting a dump tool, which
5has to create a dump of the current (probably crashed) Linux image. In order to
6not overwrite memory of the crashed Linux with data of the dump tool, the
7hardware saves some memory plus the register sets of the boot cpu before the
8dump tool is loaded. There exists an SCLP hardware interface to obtain the saved
9memory afterwards. Currently 32 MB are saved.
10
11This zfcpdump implementation consists of a Linux dump kernel together with
12a userspace dump tool, which are loaded together into the saved memory region
13below 32 MB. zfcpdump is installed on a SCSI disk using zipl (as contained in
14the s390-tools package) to make the device bootable. The operator of a Linux
15system can then trigger a SCSI dump by booting the SCSI disk, where zfcpdump
16resides on.
17
18The kernel part of zfcpdump is implemented as a debugfs file under "zcore/mem",
19which exports memory and registers of the crashed Linux in an s390
20standalone dump format. It can be used in the same way as e.g. /dev/mem. The
21dump format defines a 4K header followed by plain uncompressed memory. The
22register sets are stored in the prefix pages of the respective cpus. To build a
23dump enabled kernel with the zcore driver, the kernel config option
24CONFIG_ZFCPDUMP has to be set. When reading from "zcore/mem", the part of
25memory, which has been saved by hardware is read by the driver via the SCLP
26hardware interface. The second part is just copied from the non overwritten real
27memory.
28
29The userspace application of zfcpdump can reside e.g. in an intitramfs or an
30initrd. It reads from zcore/mem and writes the system dump to a file on a
31SCSI disk.
32
33To build a zfcpdump kernel use the following settings in your kernel
34configuration:
35 * CONFIG_ZFCPDUMP=y
36 * Enable ZFCP driver
37 * Enable SCSI driver
38 * Enable ext2 and ext3 filesystems
39 * Disable as many features as possible to keep the kernel small.
40 E.g. network support is not needed at all.
41
42To use the zfcpdump userspace application in an initramfs you have to do the
43following:
44
45 * Copy the zfcpdump executable somewhere into your Linux tree.
46 E.g. to "arch/s390/boot/zfcpdump. If you do not want to include
47 shared libraries, compile the tool with the "-static" gcc option.
48 * If you want to include e2fsck, add it to your source tree, too. The zfcpdump
49 application attempts to start /sbin/e2fsck from the ramdisk.
50 * Use an initramfs config file like the following:
51
52 dir /dev 755 0 0
53 nod /dev/console 644 0 0 c 5 1
54 nod /dev/null 644 0 0 c 1 3
55 nod /dev/sda1 644 0 0 b 8 1
56 nod /dev/sda2 644 0 0 b 8 2
57 nod /dev/sda3 644 0 0 b 8 3
58 nod /dev/sda4 644 0 0 b 8 4
59 nod /dev/sda5 644 0 0 b 8 5
60 nod /dev/sda6 644 0 0 b 8 6
61 nod /dev/sda7 644 0 0 b 8 7
62 nod /dev/sda8 644 0 0 b 8 8
63 nod /dev/sda9 644 0 0 b 8 9
64 nod /dev/sda10 644 0 0 b 8 10
65 nod /dev/sda11 644 0 0 b 8 11
66 nod /dev/sda12 644 0 0 b 8 12
67 nod /dev/sda13 644 0 0 b 8 13
68 nod /dev/sda14 644 0 0 b 8 14
69 nod /dev/sda15 644 0 0 b 8 15
70 file /init arch/s390/boot/zfcpdump 755 0 0
71 file /sbin/e2fsck arch/s390/boot/e2fsck 755 0 0
72 dir /proc 755 0 0
73 dir /sys 755 0 0
74 dir /mnt 755 0 0
75 dir /sbin 755 0 0
76
77 * Issue "make image" to build the zfcpdump image with initramfs.
78
79In a Linux distribution the zfcpdump enabled kernel image must be copied to
80/usr/share/zfcpdump/zfcpdump.image, where the s390 zipl tool is looking for the
81dump kernel when preparing a SCSI dump disk.
82
83If you use a ramdisk copy it to "/usr/share/zfcpdump/zfcpdump.rd".
84
85For more information on how to use zfcpdump refer to the s390 'Using the Dump
86Tools book', which is available from
87http://www.ibm.com/developerworks/linux/linux390.
diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt
index 0f6808abd612..53ae866ae37b 100644
--- a/Documentation/usb/usbmon.txt
+++ b/Documentation/usb/usbmon.txt
@@ -16,7 +16,7 @@ situation as with tcpdump.
16 16
17Unlike the packet socket, usbmon has an interface which provides traces 17Unlike the packet socket, usbmon has an interface which provides traces
18in a text format. This is used for two purposes. First, it serves as a 18in a text format. This is used for two purposes. First, it serves as a
19common trace exchange format for tools while most sophisticated formats 19common trace exchange format for tools while more sophisticated formats
20are finalized. Second, humans can read it in case tools are not available. 20are finalized. Second, humans can read it in case tools are not available.
21 21
22To collect a raw text trace, execute following steps. 22To collect a raw text trace, execute following steps.
@@ -34,7 +34,7 @@ if usbmon is built into the kernel.
34Verify that bus sockets are present. 34Verify that bus sockets are present.
35 35
36# ls /sys/kernel/debug/usbmon 36# ls /sys/kernel/debug/usbmon
371s 1t 2s 2t 3s 3t 4s 4t 371s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u
38# 38#
39 39
402. Find which bus connects to the desired device 402. Find which bus connects to the desired device
@@ -54,7 +54,7 @@ Bus=03 means it's bus 3.
54 54
553. Start 'cat' 553. Start 'cat'
56 56
57# cat /sys/kernel/debug/usbmon/3t > /tmp/1.mon.out 57# cat /sys/kernel/debug/usbmon/3u > /tmp/1.mon.out
58 58
59This process will be reading until killed. Naturally, the output can be 59This process will be reading until killed. Naturally, the output can be
60redirected to a desirable location. This is preferred, because it is going 60redirected to a desirable location. This is preferred, because it is going
@@ -75,46 +75,80 @@ that the file size is not excessive for your favourite editor.
75 75
76* Raw text data format 76* Raw text data format
77 77
78The '1t' type data consists of a stream of events, such as URB submission, 78Two formats are supported currently: the original, or '1t' format, and
79the '1u' format. The '1t' format is deprecated in kernel 2.6.21. The '1u'
80format adds a few fields, such as ISO frame descriptors, interval, etc.
81It produces slightly longer lines, but otherwise is a perfect superset
82of '1t' format.
83
84If it is desired to recognize one from the other in a program, look at the
85"address" word (see below), where '1u' format adds a bus number. If 2 colons
86are present, it's the '1t' format, otherwise '1u'.
87
88Any text format data consists of a stream of events, such as URB submission,
79URB callback, submission error. Every event is a text line, which consists 89URB callback, submission error. Every event is a text line, which consists
80of whitespace separated words. The number or position of words may depend 90of whitespace separated words. The number or position of words may depend
81on the event type, but there is a set of words, common for all types. 91on the event type, but there is a set of words, common for all types.
82 92
83Here is the list of words, from left to right: 93Here is the list of words, from left to right:
94
84- URB Tag. This is used to identify URBs is normally a kernel mode address 95- URB Tag. This is used to identify URBs is normally a kernel mode address
85 of the URB structure in hexadecimal. 96 of the URB structure in hexadecimal.
97
86- Timestamp in microseconds, a decimal number. The timestamp's resolution 98- Timestamp in microseconds, a decimal number. The timestamp's resolution
87 depends on available clock, and so it can be much worse than a microsecond 99 depends on available clock, and so it can be much worse than a microsecond
88 (if the implementation uses jiffies, for example). 100 (if the implementation uses jiffies, for example).
101
89- Event Type. This type refers to the format of the event, not URB type. 102- Event Type. This type refers to the format of the event, not URB type.
90 Available types are: S - submission, C - callback, E - submission error. 103 Available types are: S - submission, C - callback, E - submission error.
91- "Pipe". The pipe concept is deprecated. This is a composite word, used to 104
92 be derived from information in pipes. It consists of three fields, separated 105- "Address" word (formerly a "pipe"). It consists of four fields, separated by
93 by colons: URB type and direction, Device address, Endpoint number. 106 colons: URB type and direction, Bus number, Device address, Endpoint number.
94 Type and direction are encoded with two bytes in the following manner: 107 Type and direction are encoded with two bytes in the following manner:
95 Ci Co Control input and output 108 Ci Co Control input and output
96 Zi Zo Isochronous input and output 109 Zi Zo Isochronous input and output
97 Ii Io Interrupt input and output 110 Ii Io Interrupt input and output
98 Bi Bo Bulk input and output 111 Bi Bo Bulk input and output
99 Device address and Endpoint number are 3-digit and 2-digit (respectively) 112 Bus number, Device address, and Endpoint are decimal numbers, but they may
100 decimal numbers, with leading zeroes. 113 have leading zeros, for the sake of human readers.
101- URB Status. In most cases, this field contains a number, sometimes negative, 114
102 which represents a "status" field of the URB. This field makes no sense for 115- URB Status word. This is either a letter, or several numbers separated
103 submissions, but is present anyway to help scripts with parsing. When an 116 by colons: URB status, interval, start frame, and error count. Unlike the
104 error occurs, the field contains the error code. In case of a submission of 117 "address" word, all fields save the status are optional. Interval is printed
105 a Control packet, this field contains a Setup Tag instead of an error code. 118 only for interrupt and isochronous URBs. Start frame is printed only for
106 It is easy to tell whether the Setup Tag is present because it is never a 119 isochronous URBs. Error count is printed only for isochronous callback
107 number. Thus if scripts find a number in this field, they proceed to read 120 events.
108 Data Length. If they find something else, like a letter, they read the setup 121
109 packet before reading the Data Length. 122 The status field is a decimal number, sometimes negative, which represents
123 a "status" field of the URB. This field makes no sense for submissions, but
124 is present anyway to help scripts with parsing. When an error occurs, the
125 field contains the error code.
126
127 In case of a submission of a Control packet, this field contains a Setup Tag
128 instead of an group of numbers. It is easy to tell whether the Setup Tag is
129 present because it is never a number. Thus if scripts find a set of numbers
130 in this word, they proceed to read Data Length (except for isochronous URBs).
131 If they find something else, like a letter, they read the setup packet before
132 reading the Data Length or isochronous descriptors.
133
110- Setup packet, if present, consists of 5 words: one of each for bmRequestType, 134- Setup packet, if present, consists of 5 words: one of each for bmRequestType,
111 bRequest, wValue, wIndex, wLength, as specified by the USB Specification 2.0. 135 bRequest, wValue, wIndex, wLength, as specified by the USB Specification 2.0.
112 These words are safe to decode if Setup Tag was 's'. Otherwise, the setup 136 These words are safe to decode if Setup Tag was 's'. Otherwise, the setup
113 packet was present, but not captured, and the fields contain filler. 137 packet was present, but not captured, and the fields contain filler.
138
139- Number of isochronous frame descriptors and descriptors themselves.
140 If an Isochronous transfer event has a set of descriptors, a total number
141 of them in an URB is printed first, then a word per descriptor, up to a
142 total of 5. The word consists of 3 colon-separated decimal numbers for
143 status, offset, and length respectively. For submissions, initial length
144 is reported. For callbacks, actual length is reported.
145
114- Data Length. For submissions, this is the requested length. For callbacks, 146- Data Length. For submissions, this is the requested length. For callbacks,
115 this is the actual length. 147 this is the actual length.
148
116- Data tag. The usbmon may not always capture data, even if length is nonzero. 149- Data tag. The usbmon may not always capture data, even if length is nonzero.
117 The data words are present only if this tag is '='. 150 The data words are present only if this tag is '='.
151
118- Data words follow, in big endian hexadecimal format. Notice that they are 152- Data words follow, in big endian hexadecimal format. Notice that they are
119 not machine words, but really just a byte stream split into words to make 153 not machine words, but really just a byte stream split into words to make
120 it easier to read. Thus, the last word may contain from one to four bytes. 154 it easier to read. Thus, the last word may contain from one to four bytes.
@@ -153,20 +187,18 @@ class ParsedLine {
153 } 187 }
154} 188}
155 189
156This format may be changed in the future.
157
158Examples: 190Examples:
159 191
160An input control transfer to get a port status. 192An input control transfer to get a port status.
161 193
162d5ea89a0 3575914555 S Ci:001:00 s a3 00 0000 0003 0004 4 < 194d5ea89a0 3575914555 S Ci:1:001:0 s a3 00 0000 0003 0004 4 <
163d5ea89a0 3575914560 C Ci:001:00 0 4 = 01050000 195d5ea89a0 3575914560 C Ci:1:001:0 0 4 = 01050000
164 196
165An output bulk transfer to send a SCSI command 0x5E in a 31-byte Bulk wrapper 197An output bulk transfer to send a SCSI command 0x5E in a 31-byte Bulk wrapper
166to a storage device at address 5: 198to a storage device at address 5:
167 199
168dd65f0e8 4128379752 S Bo:005:02 -115 31 = 55534243 5e000000 00000000 00000600 00000000 00000000 00000000 000000 200dd65f0e8 4128379752 S Bo:1:005:2 -115 31 = 55534243 5e000000 00000000 00000600 00000000 00000000 00000000 000000
169dd65f0e8 4128379808 C Bo:005:02 0 31 > 201dd65f0e8 4128379808 C Bo:1:005:2 0 31 >
170 202
171* Raw binary format and API 203* Raw binary format and API
172 204
diff --git a/Documentation/video4linux/CARDLIST.bttv b/Documentation/video4linux/CARDLIST.bttv
index fc2fe9bc6713..b60639130a51 100644
--- a/Documentation/video4linux/CARDLIST.bttv
+++ b/Documentation/video4linux/CARDLIST.bttv
@@ -143,3 +143,5 @@
143142 -> Sabrent TV-FM (bttv version) 143142 -> Sabrent TV-FM (bttv version)
144143 -> Hauppauge ImpactVCB (bt878) [0070:13eb] 144143 -> Hauppauge ImpactVCB (bt878) [0070:13eb]
145144 -> MagicTV 145144 -> MagicTV
146145 -> SSAI Security Video Interface [4149:5353]
147146 -> SSAI Ultrasound Video Interface [414a:5353]
diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88
index 62e32b49cec9..60f838beb9c8 100644
--- a/Documentation/video4linux/CARDLIST.cx88
+++ b/Documentation/video4linux/CARDLIST.cx88
@@ -37,7 +37,7 @@
37 36 -> AVerTV 303 (M126) [1461:000a] 37 36 -> AVerTV 303 (M126) [1461:000a]
38 37 -> Hauppauge Nova-S-Plus DVB-S [0070:9201,0070:9202] 38 37 -> Hauppauge Nova-S-Plus DVB-S [0070:9201,0070:9202]
39 38 -> Hauppauge Nova-SE2 DVB-S [0070:9200] 39 38 -> Hauppauge Nova-SE2 DVB-S [0070:9200]
40 39 -> KWorld DVB-S 100 [17de:08b2] 40 39 -> KWorld DVB-S 100 [17de:08b2,1421:0341]
41 40 -> Hauppauge WinTV-HVR1100 DVB-T/Hybrid [0070:9400,0070:9402] 41 40 -> Hauppauge WinTV-HVR1100 DVB-T/Hybrid [0070:9400,0070:9402]
42 41 -> Hauppauge WinTV-HVR1100 DVB-T/Hybrid (Low Profile) [0070:9800,0070:9802] 42 41 -> Hauppauge WinTV-HVR1100 DVB-T/Hybrid (Low Profile) [0070:9800,0070:9802]
43 42 -> digitalnow DNTV Live! DVB-T Pro [1822:0025,1822:0019] 43 42 -> digitalnow DNTV Live! DVB-T Pro [1822:0025,1822:0019]
diff --git a/Documentation/video4linux/CARDLIST.ivtv b/Documentation/video4linux/CARDLIST.ivtv
new file mode 100644
index 000000000000..ddd76a0eb100
--- /dev/null
+++ b/Documentation/video4linux/CARDLIST.ivtv
@@ -0,0 +1,18 @@
1 1 -> Hauppauge WinTV PVR-250
2 2 -> Hauppauge WinTV PVR-350
3 3 -> Hauppauge WinTV PVR-150 or PVR-500
4 4 -> AVerMedia M179 [1461:a3ce,1461:a3cf]
5 5 -> Yuan MPG600/Kuroutoshikou iTVC16-STVLP [12ab:fff3,12ab:ffff]
6 6 -> Yuan MPG160/Kuroutoshikou iTVC15-STVLP [12ab:0000,10fc:40a0]
7 7 -> Yuan PG600/DiamondMM PVR-550 [ff92:0070,ffab:0600]
8 8 -> Adaptec AVC-2410 [9005:0093]
9 9 -> Adaptec AVC-2010 [9005:0092]
1010 -> NAGASE TRANSGEAR 5000TV [1461:bfff]
1111 -> AOpen VA2000MAX-STN6 [0000:ff5f]
1212 -> YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP [12ab:0600,fbab:0600,1154:0523]
1313 -> I/O Data GV-MVP/RX [10fc:d01e,10fc:d038,10fc:d039]
1414 -> I/O Data GV-MVP/RX2E [10fc:d025]
1515 -> GOTVIEW PCI DVD (partial support only) [12ab:0600]
1616 -> GOTVIEW PCI DVD2 Deluxe [ffac:0600]
1717 -> Yuan MPC622 [ff01:d998]
1818 -> Digital Cowboy DCT-MTVP1 [1461:bfff]
diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134
index a12246a9bf23..d7bb2e2e4d9b 100644
--- a/Documentation/video4linux/CARDLIST.saa7134
+++ b/Documentation/video4linux/CARDLIST.saa7134
@@ -53,7 +53,7 @@
53 52 -> AverMedia AverTV/305 [1461:2108] 53 52 -> AverMedia AverTV/305 [1461:2108]
54 53 -> ASUS TV-FM 7135 [1043:4845] 54 53 -> ASUS TV-FM 7135 [1043:4845]
55 54 -> LifeView FlyTV Platinum FM / Gold [5168:0214,1489:0214,5168:0304] 55 54 -> LifeView FlyTV Platinum FM / Gold [5168:0214,1489:0214,5168:0304]
56 55 -> LifeView FlyDVB-T DUO [5168:0306] 56 55 -> LifeView FlyDVB-T DUO / MSI TV@nywhere Duo [5168:0306,4E42:0306]
57 56 -> Avermedia AVerTV 307 [1461:a70a] 57 56 -> Avermedia AVerTV 307 [1461:a70a]
58 57 -> Avermedia AVerTV GO 007 FM [1461:f31f] 58 57 -> Avermedia AVerTV GO 007 FM [1461:f31f]
59 58 -> ADS Tech Instant TV (saa7135) [1421:0350,1421:0351,1421:0370,1421:1370] 59 58 -> ADS Tech Instant TV (saa7135) [1421:0350,1421:0351,1421:0370,1421:1370]
@@ -76,7 +76,7 @@
76 75 -> AVerMedia AVerTVHD MCE A180 [1461:1044] 76 75 -> AVerMedia AVerTVHD MCE A180 [1461:1044]
77 76 -> SKNet MonsterTV Mobile [1131:4ee9] 77 76 -> SKNet MonsterTV Mobile [1131:4ee9]
78 77 -> Pinnacle PCTV 40i/50i/110i (saa7133) [11bd:002e] 78 77 -> Pinnacle PCTV 40i/50i/110i (saa7133) [11bd:002e]
79 78 -> ASUSTeK P7131 Dual [1043:4862,1043:4876] 79 78 -> ASUSTeK P7131 Dual [1043:4862,1043:4857]
80 79 -> Sedna/MuchTV PC TV Cardbus TV/Radio (ITO25 Rev:2B) 80 79 -> Sedna/MuchTV PC TV Cardbus TV/Radio (ITO25 Rev:2B)
81 80 -> ASUS Digimatrix TV [1043:0210] 81 80 -> ASUS Digimatrix TV [1043:0210]
82 81 -> Philips Tiger reference design [1131:2018] 82 81 -> Philips Tiger reference design [1131:2018]
@@ -107,3 +107,7 @@
107106 -> Encore ENLTV [1131:2342,1131:2341,3016:2344] 107106 -> Encore ENLTV [1131:2342,1131:2341,3016:2344]
108107 -> Encore ENLTV-FM [1131:230f] 108107 -> Encore ENLTV-FM [1131:230f]
109108 -> Terratec Cinergy HT PCI [153b:1175] 109108 -> Terratec Cinergy HT PCI [153b:1175]
110109 -> Philips Tiger - S Reference design
111110 -> Avermedia M102 [1461:f31e]
112111 -> ASUS P7131 4871 [1043:4871]
113112 -> ASUSTeK P7131 Hybrid [1043:4876]
diff --git a/Documentation/video4linux/CARDLIST.usbvision b/Documentation/video4linux/CARDLIST.usbvision
new file mode 100644
index 000000000000..3d6850ef0245
--- /dev/null
+++ b/Documentation/video4linux/CARDLIST.usbvision
@@ -0,0 +1,64 @@
1 0 -> Xanboo [0a6f:0400]
2 1 -> Belkin USB VideoBus II Adapter [050d:0106]
3 2 -> Belkin Components USB VideoBus [050d:0207]
4 3 -> Belkin USB VideoBus II [050d:0208]
5 4 -> echoFX InterView Lite [0571:0002]
6 5 -> USBGear USBG-V1 resp. HAMA USB [0573:0003]
7 6 -> D-Link V100 [0573:0400]
8 7 -> X10 USB Camera [0573:2000]
9 8 -> Hauppauge WinTV USB Live (PAL B/G) [0573:2d00]
10 9 -> Hauppauge WinTV USB Live Pro (NTSC M/N) [0573:2d01]
11 10 -> Zoran Co. PMD (Nogatech) AV-grabber Manhattan [0573:2101]
12 11 -> Nogatech USB-TV (NTSC) FM [0573:4100]
13 12 -> PNY USB-TV (NTSC) FM [0573:4110]
14 13 -> PixelView PlayTv-USB PRO (PAL) FM [0573:4450]
15 14 -> ZTV ZT-721 2.4GHz USB A/V Receiver [0573:4550]
16 15 -> Hauppauge WinTV USB (NTSC M/N) [0573:4d00]
17 16 -> Hauppauge WinTV USB (PAL B/G) [0573:4d01]
18 17 -> Hauppauge WinTV USB (PAL I) [0573:4d02]
19 18 -> Hauppauge WinTV USB (PAL/SECAM L) [0573:4d03]
20 19 -> Hauppauge WinTV USB (PAL D/K) [0573:4d04]
21 20 -> Hauppauge WinTV USB (NTSC FM) [0573:4d10]
22 21 -> Hauppauge WinTV USB (PAL B/G FM) [0573:4d11]
23 22 -> Hauppauge WinTV USB (PAL I FM) [0573:4d12]
24 23 -> Hauppauge WinTV USB (PAL D/K FM) [0573:4d14]
25 24 -> Hauppauge WinTV USB Pro (NTSC M/N) [0573:4d2a]
26 25 -> Hauppauge WinTV USB Pro (NTSC M/N) V2 [0573:4d2b]
27 26 -> Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L) [0573:4d2c]
28 27 -> Hauppauge WinTV USB Pro (NTSC M/N) V3 [0573:4d20]
29 28 -> Hauppauge WinTV USB Pro (PAL B/G) [0573:4d21]
30 29 -> Hauppauge WinTV USB Pro (PAL I) [0573:4d22]
31 30 -> Hauppauge WinTV USB Pro (PAL/SECAM L) [0573:4d23]
32 31 -> Hauppauge WinTV USB Pro (PAL D/K) [0573:4d24]
33 32 -> Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L) [0573:4d25]
34 33 -> Hauppauge WinTV USB Pro (PAL/SECAM BGDK/I/L) V2 [0573:4d26]
35 34 -> Hauppauge WinTV USB Pro (PAL B/G) V2 [0573:4d27]
36 35 -> Hauppauge WinTV USB Pro (PAL B/G,D/K) [0573:4d28]
37 36 -> Hauppauge WinTV USB Pro (PAL I,D/K) [0573:4d29]
38 37 -> Hauppauge WinTV USB Pro (NTSC M/N FM) [0573:4d30]
39 38 -> Hauppauge WinTV USB Pro (PAL B/G FM) [0573:4d31]
40 39 -> Hauppauge WinTV USB Pro (PAL I FM) [0573:4d32]
41 40 -> Hauppauge WinTV USB Pro (PAL D/K FM) [0573:4d34]
42 41 -> Hauppauge WinTV USB Pro (Temic PAL/SECAM B/G/I/D/K/L FM) [0573:4d35]
43 42 -> Hauppauge WinTV USB Pro (Temic PAL B/G FM) [0573:4d36]
44 43 -> Hauppauge WinTV USB Pro (PAL/SECAM B/G/I/D/K/L FM) [0573:4d37]
45 44 -> Hauppauge WinTV USB Pro (NTSC M/N FM) V2 [0573:4d38]
46 45 -> Camtel Technology USB TV Genie Pro FM Model TVB330 [0768:0006]
47 46 -> Digital Video Creator I [07d0:0001]
48 47 -> Global Village GV-007 (NTSC) [07d0:0002]
49 48 -> Dazzle Fusion Model DVC-50 Rev 1 (NTSC) [07d0:0003]
50 49 -> Dazzle Fusion Model DVC-80 Rev 1 (PAL) [07d0:0004]
51 50 -> Dazzle Fusion Model DVC-90 Rev 1 (SECAM) [07d0:0005]
52 51 -> Eskape Labs MyTV2Go [07f8:9104]
53 52 -> Pinnacle Studio PCTV USB (PAL) [2304:010d]
54 53 -> Pinnacle Studio PCTV USB (SECAM) [2304:0109]
55 54 -> Pinnacle Studio PCTV USB (PAL) FM [2304:0110]
56 55 -> Miro PCTV USB [2304:0111]
57 56 -> Pinnacle Studio PCTV USB (NTSC) FM [2304:0112]
58 57 -> Pinnacle Studio PCTV USB (PAL) FM V2 [2304:0210]
59 58 -> Pinnacle Studio PCTV USB (NTSC) FM V2 [2304:0212]
60 59 -> Pinnacle Studio PCTV USB (PAL) FM V3 [2304:0214]
61 60 -> Pinnacle Studio Linx Video input cable (NTSC) [2304:0300]
62 61 -> Pinnacle Studio Linx Video input cable (PAL) [2304:0301]
63 62 -> Pinnacle PCTV Bungee USB (PAL) FM [2304:0419]
64 63 -> Hauppauge WinTv-USB [2400:4200]
diff --git a/Documentation/video4linux/README.ivtv b/Documentation/video4linux/README.ivtv
new file mode 100644
index 000000000000..73df22c40bfe
--- /dev/null
+++ b/Documentation/video4linux/README.ivtv
@@ -0,0 +1,187 @@
1
2ivtv release notes
3==================
4
5This is a v4l2 device driver for the Conexant cx23415/6 MPEG encoder/decoder.
6The cx23415 can do both encoding and decoding, the cx23416 can only do MPEG
7encoding. Currently the only card featuring full decoding support is the
8Hauppauge PVR-350.
9
10NOTE: this driver requires the latest encoder firmware (version 2.06.039, size
11376836 bytes). Get the firmware from here:
12
13http://dl.ivtvdriver.org/ivtv/firmware/firmware.tar.gz
14
15NOTE: 'normal' TV applications do not work with this driver, you need
16an application that can handle MPEG input such as mplayer, xine, MythTV,
17etc.
18
19The primary goal of the IVTV project is to provide a "clean room" Linux
20Open Source driver implementation for video capture cards based on the
21iCompression iTVC15 or Conexant CX23415/CX23416 MPEG Codec.
22
23Features:
24 * Hardware mpeg2 capture of broadcast video (and sound) via the tuner or
25 S-Video/Composite and audio line-in.
26 * Hardware mpeg2 capture of FM radio where hardware support exists
27 * Supports NTSC, PAL, SECAM with stereo sound
28 * Supports SAP and bilingual transmissions.
29 * Supports raw VBI (closed captions and teletext).
30 * Supports sliced VBI (closed captions and teletext) and is able to insert
31 this into the captured MPEG stream.
32 * Supports raw YUV and PCM input.
33
34Additional features for the PVR-350 (CX23415 based):
35 * Provides hardware mpeg2 playback
36 * Provides comprehensive OSD (On Screen Display: ie. graphics overlaying the
37 video signal)
38 * Provides a framebuffer (allowing X applications to appear on the video
39 device) (this framebuffer is not yet part of the kernel. In the meantime it
40 is available from www.ivtvdriver.org).
41 * Supports raw YUV output.
42
43IMPORTANT: In case of problems first read this page:
44 http://www.ivtvdriver.org/index.php/Troubleshooting
45
46See also:
47
48Homepage + Wiki
49http://www.ivtvdriver.org
50
51IRC
52irc://irc.freenode.net/ivtv-dev
53
54----------------------------------------------------------
55
56Devices
57=======
58
59A maximum of 12 ivtv boards are allowed at the moment.
60
61Cards that don't have a video output capability (i.e. non PVR350 cards)
62lack the vbi8, vbi16, video16 and video48 devices. They also do not
63support the framebuffer device /dev/fbx for OSD.
64
65The radio0 device may or may not be present, depending on whether the
66card has a radio tuner or not.
67
68Here is a list of the base v4l devices:
69crw-rw---- 1 root video 81, 0 Jun 19 22:22 /dev/video0
70crw-rw---- 1 root video 81, 16 Jun 19 22:22 /dev/video16
71crw-rw---- 1 root video 81, 24 Jun 19 22:22 /dev/video24
72crw-rw---- 1 root video 81, 32 Jun 19 22:22 /dev/video32
73crw-rw---- 1 root video 81, 48 Jun 19 22:22 /dev/video48
74crw-rw---- 1 root video 81, 64 Jun 19 22:22 /dev/radio0
75crw-rw---- 1 root video 81, 224 Jun 19 22:22 /dev/vbi0
76crw-rw---- 1 root video 81, 228 Jun 19 22:22 /dev/vbi8
77crw-rw---- 1 root video 81, 232 Jun 19 22:22 /dev/vbi16
78
79Base devices
80============
81
82For every extra card you have the numbers increased by one. For example,
83/dev/video0 is listed as the 'base' encoding capture device so we have:
84
85 /dev/video0 is the encoding capture device for the first card (card 0)
86 /dev/video1 is the encoding capture device for the second card (card 1)
87 /dev/video2 is the encoding capture device for the third card (card 2)
88
89Note that if the first card doesn't have a feature (eg no decoder, so no
90video16, the second card will still use video17. The simple rule is 'add
91the card number to the base device number'. If you have other capture
92cards (e.g. WinTV PCI) that are detected first, then you have to tell
93the ivtv module about it so that it will start counting at 1 (or 2, or
94whatever). Otherwise the device numbers can get confusing. The ivtv
95'ivtv_first_minor' module option can be used for that.
96
97
98/dev/video0
99The encoding capture device(s).
100Read-only.
101
102Reading from this device gets you the MPEG1/2 program stream.
103Example:
104
105cat /dev/video0 > my.mpg (you need to hit ctrl-c to exit)
106
107
108/dev/video16
109The decoder output device(s)
110Write-only. Only present if the MPEG decoder (i.e. CX23415) exists.
111
112An mpeg2 stream sent to this device will appear on the selected video
113display, audio will appear on the line-out/audio out. It is only
114available for cards that support video out. Example:
115
116cat my.mpg >/dev/video16
117
118
119/dev/video24
120The raw audio capture device(s).
121Read-only
122
123The raw audio PCM stereo stream from the currently selected
124tuner or audio line-in. Reading from this device results in a raw
125(signed 16 bit Little Endian, 48000 Hz, stereo pcm) capture.
126This device only captures audio. This should be replaced by an ALSA
127device in the future.
128Note that there is no corresponding raw audio output device, this is
129not supported in the decoder firmware.
130
131
132/dev/video32
133The raw video capture device(s)
134Read-only
135
136The raw YUV video output from the current video input. The YUV format
137is non-standard (V4L2_PIX_FMT_HM12).
138
139Note that the YUV and PCM streams are not synchronized, so they are of
140limited use.
141
142
143/dev/video48
144The raw video display device(s)
145Write-only. Only present if the MPEG decoder (i.e. CX23415) exists.
146
147Writes a YUV stream to the decoder of the card.
148
149
150/dev/radio0
151The radio tuner device(s)
152Cannot be read or written.
153
154Used to enable the radio tuner and tune to a frequency. You cannot
155read or write audio streams with this device. Once you use this
156device to tune the radio, use /dev/video24 to read the raw pcm stream
157or /dev/video0 to get an mpeg2 stream with black video.
158
159
160/dev/vbi0
161The 'vertical blank interval' (Teletext, CC, WSS etc) capture device(s)
162Read-only
163
164Captures the raw (or sliced) video data sent during the Vertical Blank
165Interval. This data is used to encode teletext, closed captions, VPS,
166widescreen signalling, electronic program guide information, and other
167services.
168
169
170/dev/vbi8
171Processed vbi feedback device(s)
172Read-only. Only present if the MPEG decoder (i.e. CX23415) exists.
173
174The sliced VBI data embedded in an MPEG stream is reproduced on this
175device. So while playing back a recording on /dev/video16, you can
176read the embedded VBI data from /dev/vbi8.
177
178
179/dev/vbi16
180The vbi 'display' device(s)
181Write-only. Only present if the MPEG decoder (i.e. CX23415) exists.
182
183Can be used to send sliced VBI data to the video-out connector.
184
185---------------------------------
186
187Hans Verkuil <hverkuil@xs4all.nl>
diff --git a/Documentation/video4linux/cx2341x/fw-decoder-regs.txt b/Documentation/video4linux/cx2341x/fw-decoder-regs.txt
index db2366c634e8..cf52c8f20b9e 100644
--- a/Documentation/video4linux/cx2341x/fw-decoder-regs.txt
+++ b/Documentation/video4linux/cx2341x/fw-decoder-regs.txt
@@ -624,11 +624,11 @@ out what values are bad when it hangs.
6242A00 6242A00
625 bits 0:2 625 bits 0:2
626 osd colour mode 626 osd colour mode
627 000 = 8 bit indexed
627 001 = 16 bit (565) 628 001 = 16 bit (565)
628 010 = 15 bit (555) 629 010 = 15 bit (555)
629 011 = 12 bit (444) 630 011 = 12 bit (444)
630 100 = 32 bit (8888) 631 100 = 32 bit (8888)
631 101 = 8 bit indexed
632 632
633 bits 4:5 633 bits 4:5
634 osd display bpp 634 osd display bpp
@@ -676,9 +676,11 @@ out what values are bad when it hangs.
676 completely transparent. When using 565, 555 or 444 colour modes, the 676 completely transparent. When using 565, 555 or 444 colour modes, the
677 colour key is always 16 bits wide. The colour to key on is set in Reg 2A18. 677 colour key is always 16 bits wide. The colour to key on is set in Reg 2A18.
678 678
679 Local alpha is a per-pixel 256 step transparency, with 0 being transparent 679 Local alpha works differently depending on the colour mode. For 32bpp & 8
680 and 255 being solid. This is only available in 32 bit & 8 bit indexed 680 bit indexed, local alpha is a per-pixel 256 step transparency, with 0 being
681 colour modes. 681 transparent and 255 being solid. For the 16bpp modes 555 & 444, the unused
682 bit(s) act as a simple transparency switch, with 0 being solid & 1 being
683 fully transparent. There is no local alpha support for 16bit 565.
682 684
683 Global alpha is a 256 step transparency that applies to the entire osd, 685 Global alpha is a 256 step transparency that applies to the entire osd,
684 with 0 being transparent & 255 being solid. 686 with 0 being transparent & 255 being solid.
@@ -811,5 +813,5 @@ out what values are bad when it hangs.
811 813
812-------------------------------------------------------------------------------- 814--------------------------------------------------------------------------------
813 815
814v0.3 - 2 February 2007 - Ian Armstrong (ian@iarmst.demon.co.uk) 816v0.4 - 12 March 2007 - Ian Armstrong (ian@iarmst.demon.co.uk)
815 817
diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
index 242104ce5b61..5dd3109a8b3f 100644
--- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
@@ -663,12 +663,13 @@ Param[0]
663 663
664------------------------------------------------------------------------------- 664-------------------------------------------------------------------------------
665 665
666Name CX2341X_ENC_UNKNOWN 666Name CX2341X_ENC_SET_VERT_CROP_LINE
667Enum 219/0xDB 667Enum 219/0xDB
668Description 668Description
669 Unknown API, it's used by Hauppauge though. 669 Something to do with 'Vertical Crop Line'
670Param[0] 670Param[0]
671 0 This is the value Hauppauge uses, Unknown what it means. 671 If saa7114 and raw VBI capture and 60 Hz, then set to 10001.
672 Else 0.
672 673
673------------------------------------------------------------------------------- 674-------------------------------------------------------------------------------
674 675
@@ -682,11 +683,9 @@ Param[0]
682 Command number: 683 Command number:
683 1=set initial SCR value when starting encoding (works). 684 1=set initial SCR value when starting encoding (works).
684 2=set quality mode (apparently some test setting). 685 2=set quality mode (apparently some test setting).
685 3=setup advanced VIM protection handling (supposedly only for the cx23416 686 3=setup advanced VIM protection handling.
686 for raw YUV). 687 Always 1 for the cx23416 and 0 for cx23415.
687 Actually it looks like this should be 0 for saa7114/5 based card and 1 688 4=generate DVD compatible PTS timestamps
688 for cx25840 based cards.
689 4=generate artificial PTS timestamps
690 5=USB flush mode 689 5=USB flush mode
691 6=something to do with the quantization matrix 690 6=something to do with the quantization matrix
692 7=set navigation pack insertion for DVD: adds 0xbf (private stream 2) 691 7=set navigation pack insertion for DVD: adds 0xbf (private stream 2)
@@ -698,7 +697,9 @@ Param[0]
698 9=set history parameters of the video input module 697 9=set history parameters of the video input module
699 10=set input field order of VIM 698 10=set input field order of VIM
700 11=set quantization matrix 699 11=set quantization matrix
701 12=reset audio interface 700 12=reset audio interface after channel change or input switch (has no argument).
701 Needed for the cx2584x, not needed for the mspx4xx, but it doesn't seem to
702 do any harm calling it regardless.
702 13=set audio volume delay 703 13=set audio volume delay
703 14=set audio delay 704 14=set audio delay
704 705
diff --git a/Documentation/video4linux/cx2341x/fw-osd-api.txt b/Documentation/video4linux/cx2341x/fw-osd-api.txt
index 0a602f3e601b..89c4601042c1 100644
--- a/Documentation/video4linux/cx2341x/fw-osd-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-osd-api.txt
@@ -21,7 +21,11 @@ Enum 66/0x42
21Description 21Description
22 Query OSD format 22 Query OSD format
23Result[0] 23Result[0]
24 0=8bit index, 4=AlphaRGB 8:8:8:8 24 0=8bit index
25 1=16bit RGB 5:6:5
26 2=16bit ARGB 1:5:5:5
27 3=16bit ARGB 1:4:4:4
28 4=32bit ARGB 8:8:8:8
25 29
26------------------------------------------------------------------------------- 30-------------------------------------------------------------------------------
27 31
@@ -30,7 +34,11 @@ Enum 67/0x43
30Description 34Description
31 Assign pixel format 35 Assign pixel format
32Param[0] 36Param[0]
33 0=8bit index, 4=AlphaRGB 8:8:8:8 37 0=8bit index
38 1=16bit RGB 5:6:5
39 2=16bit ARGB 1:5:5:5
40 3=16bit ARGB 1:4:4:4
41 4=32bit ARGB 8:8:8:8
34 42
35------------------------------------------------------------------------------- 43-------------------------------------------------------------------------------
36 44
diff --git a/Documentation/video4linux/sn9c102.txt b/Documentation/video4linux/sn9c102.txt
index 2913da3d0878..5fe0ad7dfc20 100644
--- a/Documentation/video4linux/sn9c102.txt
+++ b/Documentation/video4linux/sn9c102.txt
@@ -25,7 +25,7 @@ Index
25 25
261. Copyright 261. Copyright
27============ 27============
28Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> 28Copyright (C) 2004-2007 by Luca Risolia <luca.risolia@studio.unibo.it>
29 29
30 30
312. Disclaimer 312. Disclaimer
@@ -216,10 +216,10 @@ Description: Debugging information level, from 0 to 3:
216 1 = critical errors 216 1 = critical errors
217 2 = significant informations 217 2 = significant informations
218 3 = more verbose messages 218 3 = more verbose messages
219 Level 3 is useful for testing only, when only one device 219 Level 3 is useful for testing only. It also shows some more
220 is used. It also shows some more informations about the 220 informations about the hardware being detected.
221 hardware being detected. This parameter can be changed at 221 This parameter can be changed at runtime thanks to the /sys
222 runtime thanks to the /sys filesystem interface. 222 filesystem interface.
223Default: 2 223Default: 2
224------------------------------------------------------------------------------- 224-------------------------------------------------------------------------------
225 225
@@ -235,7 +235,7 @@ created in the /sys/class/video4linux/videoX directory. You can set the green
235channel's gain by writing the desired value to it. The value may range from 0 235channel's gain by writing the desired value to it. The value may range from 0
236to 15 for the SN9C101 or SN9C102 bridges, from 0 to 127 for the SN9C103, 236to 15 for the SN9C101 or SN9C102 bridges, from 0 to 127 for the SN9C103,
237SN9C105 and SN9C120 bridges. 237SN9C105 and SN9C120 bridges.
238Similarly, only for the SN9C103, SN9C105 and SN9120 controllers, blue and red 238Similarly, only for the SN9C103, SN9C105 and SN9C120 controllers, blue and red
239gain control files are available in the same directory, for which accepted 239gain control files are available in the same directory, for which accepted
240values may range from 0 to 127. 240values may range from 0 to 127.
241 241
@@ -402,38 +402,49 @@ Vendor ID Product ID
4020x0c45 0x60bc 4020x0c45 0x60bc
4030x0c45 0x60be 4030x0c45 0x60be
4040x0c45 0x60c0 4040x0c45 0x60c0
4050x0c45 0x60c2
4050x0c45 0x60c8 4060x0c45 0x60c8
4060x0c45 0x60cc 4070x0c45 0x60cc
4070x0c45 0x60ea 4080x0c45 0x60ea
4080x0c45 0x60ec 4090x0c45 0x60ec
4100x0c45 0x60ef
4090x0c45 0x60fa 4110x0c45 0x60fa
4100x0c45 0x60fb 4120x0c45 0x60fb
4110x0c45 0x60fc 4130x0c45 0x60fc
4120x0c45 0x60fe 4140x0c45 0x60fe
4150x0c45 0x6102
4160x0c45 0x6108
4170x0c45 0x610f
4130x0c45 0x6130 4180x0c45 0x6130
4190x0c45 0x6138
4140x0c45 0x613a 4200x0c45 0x613a
4150x0c45 0x613b 4210x0c45 0x613b
4160x0c45 0x613c 4220x0c45 0x613c
4170x0c45 0x613e 4230x0c45 0x613e
418 424
419The list above does not imply that all those devices work with this driver: up 425The list above does not imply that all those devices work with this driver: up
420until now only the ones that assemble the following image sensors are 426until now only the ones that assemble the following pairs of SN9C1xx bridges
421supported; kernel messages will always tell you whether this is the case (see 427and image sensors are supported; kernel messages will always tell you whether
422"Module loading" paragraph): 428this is the case (see "Module loading" paragraph):
423 429
424Model Manufacturer 430Image sensor / SN9C1xx bridge | SN9C10[12] SN9C103 SN9C105 SN9C120
425----- ------------ 431-------------------------------------------------------------------------------
426HV7131D Hynix Semiconductor, Inc. 432HV7131D Hynix Semiconductor | Yes No No No
427MI-0343 Micron Technology, Inc. 433HV7131R Hynix Semiconductor | No Yes Yes Yes
428OV7630 OmniVision Technologies, Inc. 434MI-0343 Micron Technology | Yes No No No
429OV7660 OmniVision Technologies, Inc. 435MI-0360 Micron Technology | No Yes No No
430PAS106B PixArt Imaging, Inc. 436OV7630 OmniVision Technologies | Yes Yes No No
431PAS202BCA PixArt Imaging, Inc. 437OV7660 OmniVision Technologies | No No Yes Yes
432PAS202BCB PixArt Imaging, Inc. 438PAS106B PixArt Imaging | Yes No No No
433TAS5110C1B Taiwan Advanced Sensor Corporation 439PAS202B PixArt Imaging | Yes Yes No No
434TAS5130D1B Taiwan Advanced Sensor Corporation 440TAS5110C1B Taiwan Advanced Sensor | Yes No No No
435 441TAS5110D Taiwan Advanced Sensor | Yes No No No
436Some of the available control settings of each image sensor are supported 442TAS5130D1B Taiwan Advanced Sensor | Yes No No No
443
444"Yes" means that the pair is supported by the driver, while "No" means that the
445pair does not exist or is not supported by the driver.
446
447Only some of the available control settings of each image sensor are supported
437through the V4L2 interface. 448through the V4L2 interface.
438 449
439Donations of new models for further testing and support would be much 450Donations of new models for further testing and support would be much
@@ -482,8 +493,8 @@ The SN9C1xx PC Camera Controllers can send images in two possible video
482formats over the USB: either native "Sequential RGB Bayer" or compressed. 493formats over the USB: either native "Sequential RGB Bayer" or compressed.
483The compression is used to achieve high frame rates. With regard to the 494The compression is used to achieve high frame rates. With regard to the
484SN9C101, SN9C102 and SN9C103, the compression is based on the Huffman encoding 495SN9C101, SN9C102 and SN9C103, the compression is based on the Huffman encoding
485algorithm described below, while the SN9C105 and SN9C120 the compression is 496algorithm described below, while with regard to the SN9C105 and SN9C120 the
486based on the JPEG standard. 497compression is based on the JPEG standard.
487The current video format may be selected or queried from the user application 498The current video format may be selected or queried from the user application
488by calling the VIDIOC_S_FMT or VIDIOC_G_FMT ioctl's, as described in the V4L2 499by calling the VIDIOC_S_FMT or VIDIOC_G_FMT ioctl's, as described in the V4L2
489API specifications. 500API specifications.
@@ -573,4 +584,5 @@ order):
573- Mizuno Takafumi for the donation of a webcam; 584- Mizuno Takafumi for the donation of a webcam;
574- an "anonymous" donator (who didn't want his name to be revealed) for the 585- an "anonymous" donator (who didn't want his name to be revealed) for the
575 donation of a webcam. 586 donation of a webcam.
576- an anonymous donator for the donation of four webcams. 587- an anonymous donator for the donation of four webcams and two boards with ten
588 image sensors.
diff --git a/Documentation/video4linux/zr364xx.txt b/Documentation/video4linux/zr364xx.txt
new file mode 100644
index 000000000000..c76992d0ff4d
--- /dev/null
+++ b/Documentation/video4linux/zr364xx.txt
@@ -0,0 +1,65 @@
1Zoran 364xx based USB webcam module version 0.72
2site: http://royale.zerezo.com/zr364xx/
3mail: royale@zerezo.com
4
5introduction:
6This brings support under Linux for the Aiptek PocketDV 3300 in webcam mode.
7If you just want to get on your PC the pictures and movies on the camera, you should use the usb-storage module instead.
8The driver works with several other cameras in webcam mode (see the list below).
9Maybe this code can work for other JPEG/USB cams based on the Coach chips from Zoran?
10Possible chipsets are : ZR36430 (ZR36430BGC) and maybe ZR36431, ZR36440, ZR36442...
11You can try the experience changing the vendor/product ID values (look at the source code).
12You can get these values by looking at /var/log/messages when you plug your camera, or by typing : cat /proc/bus/usb/devices.
13If you manage to use your cam with this code, you can send me a mail (royale@zerezo.com) with the name of your cam and a patch if needed.
14This is a beta release of the driver.
15Since version 0.70, this driver is only compatible with V4L2 API and 2.6.x kernels.
16If you need V4L1 or 2.4x kernels support, please use an older version, but the code is not maintained anymore.
17Good luck!
18
19install:
20In order to use this driver, you must compile it with your kernel.
21Location: Device Drivers -> Multimedia devices -> Video For Linux -> Video Capture Adapters -> V4L USB devices
22
23usage:
24modprobe zr364xx debug=X mode=Y
25 - debug : set to 1 to enable verbose debug messages
26 - mode : 0 = 320x240, 1 = 160x120, 2 = 640x480
27You can then use the camera with V4L2 compatible applications, for example Ekiga.
28To capture a single image, try this: dd if=/dev/video0 of=test.jpg bs=1 count=1
29
30links :
31http://mxhaard.free.fr/ (support for many others cams including some Aiptek PocketDV)
32http://www.harmwal.nl/pccam880/ (this project also supports cameras based on this chipset)
33
34supported devices:
35------ ------- ----------- -----
36Vendor Product Distributor Model
37------ ------- ----------- -----
380x08ca 0x0109 Aiptek PocketDV 3300
390x08ca 0x0109 Maxell Maxcam PRO DV3
400x041e 0x4024 Creative PC-CAM 880
410x0d64 0x0108 Aiptek Fidelity 3200
420x0d64 0x0108 Praktica DCZ 1.3 S
430x0d64 0x0108 Genius Digital Camera (?)
440x0d64 0x0108 DXG Technology Fashion Cam
450x0546 0x3187 Polaroid iON 230
460x0d64 0x3108 Praktica Exakta DC 2200
470x0d64 0x3108 Genius G-Shot D211
480x0595 0x4343 Concord Eye-Q Duo 1300
490x0595 0x4343 Concord Eye-Q Duo 2000
500x0595 0x4343 Fujifilm EX-10
510x0595 0x4343 Ricoh RDC-6000
520x0595 0x4343 Digitrex DSC 1300
530x0595 0x4343 Firstline FDC 2000
540x0bb0 0x500d Concord EyeQ Go Wireless
550x0feb 0x2004 CRS Electronic 3.3 Digital Camera
560x0feb 0x2004 Packard Bell DSC-300
570x055f 0xb500 Mustek MDC 3000
580x08ca 0x2062 Aiptek PocketDV 5700
590x052b 0x1a18 Chiphead Megapix V12
600x04c8 0x0729 Konica Revio 2
610x04f2 0xa208 Creative PC-CAM 850
620x0784 0x0040 Traveler Slimline X5
630x06d6 0x0034 Trust Powerc@m 750
640x0a17 0x0062 Pentax Optio 50L
65
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index 625a21db0c2a..85f51e5a749f 100644
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -293,7 +293,3 @@ Debugging
293 stuck (default) 293 stuck (default)
294 294
295Miscellaneous 295Miscellaneous
296
297 noreplacement Don't replace instructions with more appropriate ones
298 for the CPU. This may be useful on asymmetric MP systems
299 where some CPUs have less capabilities than others.