mirror of
https://github.com/torvalds/linux.git
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Documentation updates for 4.16. New stuff includes refcount_t
documentation, errseq documentation, kernel-doc support for nested structure definitions, the removal of lots of crufty kernel-doc support for unused formats, SPDX tag documentation, the beginnings of a manual for subsystem maintainers, and lots of fixes and updates. As usual, some of the changesets reach outside of Documentation/ to effect kerneldoc comment fixes. It also adds the new LICENSES directory, of which Thomas promises I do not need to be the maintainer. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJab11TAAoJEI3ONVYwIuV6i1UP/1LgGPHW9Ygq5qaLFbReZd/u Mx/orrhHX0PdkbCCE+CbL8Vm1m4UKFDTBdlpk3s542zxeeG0ZBXuTnvq4Kyk+cTN p4/vsIEzk/Ih13/glGE5MlV+EjiEK+8hK69TIUj7bAyuHmpzofjRz9/1M6RLDGDC HY6UI58AXG0yOQWMWCGRMYpQAFUGij2equ7Doe1ugXRq14dx7V4RsOhI140iRk7t bquAq1rS2fXniiuPFmLBUe4dWW28isVa/Vl/aXcaWQDKMyT0OLhjOMW36wWKqtPi WdVCpHv1NLZNyZZr9S3kvfOwW+BUqpEzfVwssyBLW4h0tsnIx0U0HVhSTY8/TvFZ QD9yCSana4LB/e5CHXIX5lBHbjHxf+rETXqVV4MgwDaMvM3mCo4X6WUTJDmZADo6 vQISEKeb4su5uWAbc9T9xwRSLhZnFVdJ/QuYdNQ5+EpFJYLhzQ9eBvEz6JstSIXL p9ASBiPNY3ulpVZ8q0JOHJRBhq5mHJH6Dy8achzbILy2l/ZI4b8lJ53mw9II04cp puF96E6HpvuZ8Tgjjrg9U3ZdxXNrUgc/tjk2ZDkyTglk1XF2jKSq2tiNSZ3oLrJm XqJPnpCeyJM5UDvwkIBzgC41WEHwe8uvoNbUnc4X7UJSZegFzcSLQXf5qaprHS5k XeQ7sbd+S+jzVVjFi0W5 =Z15Z -----END PGP SIGNATURE----- Merge tag 'docs-4.16' of git://git.lwn.net/linux Pull documentation updates from Jonathan Corbet: "Documentation updates for 4.16. New stuff includes refcount_t documentation, errseq documentation, kernel-doc support for nested structure definitions, the removal of lots of crufty kernel-doc support for unused formats, SPDX tag documentation, the beginnings of a manual for subsystem maintainers, and lots of fixes and updates. As usual, some of the changesets reach outside of Documentation/ to effect kerneldoc comment fixes. It also adds the new LICENSES directory, of which Thomas promises I do not need to be the maintainer" * tag 'docs-4.16' of git://git.lwn.net/linux: (65 commits) linux-next: docs-rst: Fix typos in kfigure.py linux-next: DOC: HWPOISON: Fix path to debugfs in hwpoison.txt Documentation: Fix misconversion of #if docs: add index entry for networking/msg_zerocopy Documentation: security/credentials.rst: explain need to sort group_list LICENSES: Add MPL-1.1 license LICENSES: Add the GPL 1.0 license LICENSES: Add Linux syscall note exception LICENSES: Add the MIT license LICENSES: Add the BSD-3-clause "Clear" license LICENSES: Add the BSD 3-clause "New" or "Revised" License LICENSES: Add the BSD 2-clause "Simplified" license LICENSES: Add the LGPL-2.1 license LICENSES: Add the LGPL 2.0 license LICENSES: Add the GPL 2.0 license Documentation: Add license-rules.rst to describe how to properly identify file licenses scripts: kernel_doc: better handle show warnings logic fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at doc: md: Fix a file name to md-fault.c in fault-injection.txt errseq: Add to documentation tree ...
This commit is contained in:
Linus Torvalds
commit
255442c938
@ -228,8 +228,6 @@ isdn/
|
||||
- directory with info on the Linux ISDN support, and supported cards.
|
||||
kbuild/
|
||||
- directory with info about the kernel build process.
|
||||
kernel-doc-nano-HOWTO.txt
|
||||
- outdated info about kernel-doc documentation.
|
||||
kdump/
|
||||
- directory with mini HowTo on getting the crash dump code to work.
|
||||
doc-guide/
|
||||
@ -346,8 +344,6 @@ prctl/
|
||||
- directory with info on the priveledge control subsystem
|
||||
preempt-locking.txt
|
||||
- info on locking under a preemptive kernel.
|
||||
printk-formats.txt
|
||||
- how to get printk format specifiers right
|
||||
process/
|
||||
- how to work with the mainline kernel development process.
|
||||
pps/
|
||||
|
||||
@ -2538,6 +2538,9 @@
|
||||
This is useful when you use a panic=... timeout and
|
||||
need the box quickly up again.
|
||||
|
||||
These settings can be accessed at runtime via
|
||||
the nmi_watchdog and hardlockup_panic sysctls.
|
||||
|
||||
netpoll.carrier_timeout=
|
||||
[NET] Specifies amount of time (in seconds) that
|
||||
netpoll should wait for a carrier. By default netpoll
|
||||
|
||||
@ -9,14 +9,14 @@ This will allow you to execute Mono-based .NET binaries just like any
|
||||
other program after you have done the following:
|
||||
|
||||
1) You MUST FIRST install the Mono CLR support, either by downloading
|
||||
a binary package, a source tarball or by installing from CVS. Binary
|
||||
a binary package, a source tarball or by installing from Git. Binary
|
||||
packages for several distributions can be found at:
|
||||
|
||||
http://go-mono.com/download.html
|
||||
http://www.mono-project.com/download/
|
||||
|
||||
Instructions for compiling Mono can be found at:
|
||||
|
||||
http://www.go-mono.com/compiling.html
|
||||
http://www.mono-project.com/docs/compiling-mono/linux/
|
||||
|
||||
Once the Mono CLR support has been installed, just check that
|
||||
``/usr/bin/mono`` (which could be located elsewhere, for example
|
||||
|
||||
@ -88,7 +88,6 @@ finally:
|
||||
if makefile_version and makefile_patchlevel:
|
||||
version = release = makefile_version + '.' + makefile_patchlevel
|
||||
else:
|
||||
sys.stderr.write('Warning: Could not extract kernel version\n')
|
||||
version = release = "unknown version"
|
||||
|
||||
# The language for content autogenerated by Sphinx. Refer to documentation
|
||||
|
||||
@ -1,5 +1,7 @@
|
||||
=====================
|
||||
The errseq_t datatype
|
||||
=====================
|
||||
|
||||
An errseq_t is a way of recording errors in one place, and allowing any
|
||||
number of "subscribers" to tell whether it has changed since a previous
|
||||
point where it was sampled.
|
||||
@ -21,12 +23,13 @@ a flag to tell whether the value has been sampled since a new value was
|
||||
recorded. That allows us to avoid bumping the counter if no one has
|
||||
sampled it since the last time an error was recorded.
|
||||
|
||||
Thus we end up with a value that looks something like this::
|
||||
Thus we end up with a value that looks something like this:
|
||||
|
||||
bit: 31..13 12 11..0
|
||||
+-----------------+----+----------------+
|
||||
| counter | SF | errno |
|
||||
+-----------------+----+----------------+
|
||||
+--------------------------------------+----+------------------------+
|
||||
| 31..13 | 12 | 11..0 |
|
||||
+--------------------------------------+----+------------------------+
|
||||
| counter | SF | errno |
|
||||
+--------------------------------------+----+------------------------+
|
||||
|
||||
The general idea is for "watchers" to sample an errseq_t value and keep
|
||||
it as a running cursor. That value can later be used to tell whether
|
||||
@ -42,6 +45,7 @@ has ever been an error set since it was first initialized.
|
||||
|
||||
API usage
|
||||
=========
|
||||
|
||||
Let me tell you a story about a worker drone. Now, he's a good worker
|
||||
overall, but the company is a little...management heavy. He has to
|
||||
report to 77 supervisors today, and tomorrow the "big boss" is coming in
|
||||
@ -125,6 +129,7 @@ not usable by anyone else.
|
||||
|
||||
Serializing errseq_t cursor updates
|
||||
===================================
|
||||
|
||||
Note that the errseq_t API does not protect the errseq_t cursor during a
|
||||
check_and_advance_operation. Only the canonical error code is handled
|
||||
atomically. In a situation where more than one task might be using the
|
||||
@ -147,3 +152,8 @@ errseq_check_and_advance after taking the lock. e.g.::
|
||||
|
||||
That avoids the spinlock in the common case where nothing has changed
|
||||
since the last time it was checked.
|
||||
|
||||
Functions
|
||||
=========
|
||||
|
||||
.. kernel-doc:: lib/errseq.c
|
||||
@ -14,6 +14,7 @@ Core utilities
|
||||
kernel-api
|
||||
assoc_array
|
||||
atomic_ops
|
||||
refcount-vs-atomic
|
||||
cpu_hotplug
|
||||
local_ops
|
||||
workqueue
|
||||
@ -21,6 +22,8 @@ Core utilities
|
||||
flexible-arrays
|
||||
librs
|
||||
genalloc
|
||||
errseq
|
||||
printk-formats
|
||||
|
||||
Interfaces for kernel debugging
|
||||
===============================
|
||||
|
||||
@ -139,6 +139,21 @@ Division Functions
|
||||
.. kernel-doc:: lib/gcd.c
|
||||
:export:
|
||||
|
||||
Sorting
|
||||
-------
|
||||
|
||||
.. kernel-doc:: lib/sort.c
|
||||
:export:
|
||||
|
||||
.. kernel-doc:: lib/list_sort.c
|
||||
:export:
|
||||
|
||||
UUID/GUID
|
||||
---------
|
||||
|
||||
.. kernel-doc:: lib/uuid.c
|
||||
:export:
|
||||
|
||||
Memory Management in Linux
|
||||
==========================
|
||||
|
||||
|
||||
@ -5,6 +5,7 @@ How to get printk format specifiers right
|
||||
:Author: Randy Dunlap <rdunlap@infradead.org>
|
||||
:Author: Andrew Murray <amurray@mpc-data.co.uk>
|
||||
|
||||
|
||||
Integer types
|
||||
=============
|
||||
|
||||
@ -25,39 +26,45 @@ Integer types
|
||||
s64 %lld or %llx
|
||||
u64 %llu or %llx
|
||||
|
||||
If <type> is dependent on a config option for its size (e.g., ``sector_t``,
|
||||
``blkcnt_t``) or is architecture-dependent for its size (e.g., ``tcflag_t``),
|
||||
use a format specifier of its largest possible type and explicitly cast to it.
|
||||
|
||||
If <type> is dependent on a config option for its size (e.g., sector_t,
|
||||
blkcnt_t) or is architecture-dependent for its size (e.g., tcflag_t), use a
|
||||
format specifier of its largest possible type and explicitly cast to it.
|
||||
|
||||
Example::
|
||||
|
||||
printk("test: sector number/total blocks: %llu/%llu\n",
|
||||
(unsigned long long)sector, (unsigned long long)blockcount);
|
||||
|
||||
Reminder: ``sizeof()`` result is of type ``size_t``.
|
||||
Reminder: sizeof() returns type size_t.
|
||||
|
||||
The kernel's printf does not support ``%n``. For obvious reasons, floating
|
||||
point formats (``%e, %f, %g, %a``) are also not recognized. Use of any
|
||||
The kernel's printf does not support %n. Floating point formats (%e, %f,
|
||||
%g, %a) are also not recognized, for obvious reasons. Use of any
|
||||
unsupported specifier or length qualifier results in a WARN and early
|
||||
return from vsnprintf.
|
||||
return from vsnprintf().
|
||||
|
||||
Raw pointer value SHOULD be printed with %p. The kernel supports
|
||||
the following extended format specifiers for pointer types:
|
||||
|
||||
Pointer Types
|
||||
Pointer types
|
||||
=============
|
||||
|
||||
Pointers printed without a specifier extension (i.e unadorned %p) are
|
||||
hashed to give a unique identifier without leaking kernel addresses to user
|
||||
space. On 64 bit machines the first 32 bits are zeroed. If you _really_
|
||||
want the address see %px below.
|
||||
A raw pointer value may be printed with %p which will hash the address
|
||||
before printing. The kernel also supports extended specifiers for printing
|
||||
pointers of different types.
|
||||
|
||||
Plain Pointers
|
||||
--------------
|
||||
|
||||
::
|
||||
|
||||
%p abcdef12 or 00000000abcdef12
|
||||
|
||||
Pointers printed without a specifier extension (i.e unadorned %p) are
|
||||
hashed to prevent leaking information about the kernel memory layout. This
|
||||
has the added benefit of providing a unique identifier. On 64-bit machines
|
||||
the first 32 bits are zeroed. If you *really* want the address see %px
|
||||
below.
|
||||
|
||||
Symbols/Function Pointers
|
||||
=========================
|
||||
-------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -69,6 +76,7 @@ Symbols/Function Pointers
|
||||
%ps versatile_init
|
||||
%pB prev_fn_of_versatile_init+0x88/0x88
|
||||
|
||||
|
||||
The ``F`` and ``f`` specifiers are for printing function pointers,
|
||||
for example, f->func, &gettimeofday. They have the same result as
|
||||
``S`` and ``s`` specifiers. But they do an extra conversion on
|
||||
@ -77,14 +85,14 @@ are actually function descriptors.
|
||||
|
||||
The ``S`` and ``s`` specifiers can be used for printing symbols
|
||||
from direct addresses, for example, __builtin_return_address(0),
|
||||
(void *)regs->ip. They result in the symbol name with (``S``) or
|
||||
without (``s``) offsets. If KALLSYMS are disabled then the symbol
|
||||
(void *)regs->ip. They result in the symbol name with (S) or
|
||||
without (s) offsets. If KALLSYMS are disabled then the symbol
|
||||
address is printed instead.
|
||||
|
||||
The ``B`` specifier results in the symbol name with offsets and should be
|
||||
used when printing stack backtraces. The specifier takes into
|
||||
consideration the effect of compiler optimisations which may occur
|
||||
when tail-call``s are used and marked with the noreturn GCC attribute.
|
||||
when tail-calls are used and marked with the noreturn GCC attribute.
|
||||
|
||||
Examples::
|
||||
|
||||
@ -97,33 +105,32 @@ Examples::
|
||||
printk(" %s%pB\n", (reliable ? "" : "? "), (void *)*stack);
|
||||
|
||||
Kernel Pointers
|
||||
===============
|
||||
---------------
|
||||
|
||||
::
|
||||
|
||||
%pK 01234567 or 0123456789abcdef
|
||||
|
||||
For printing kernel pointers which should be hidden from unprivileged
|
||||
users. The behaviour of ``%pK`` depends on the ``kptr_restrict sysctl`` - see
|
||||
users. The behaviour of %pK depends on the kptr_restrict sysctl - see
|
||||
Documentation/sysctl/kernel.txt for more details.
|
||||
|
||||
Unmodified Addresses
|
||||
====================
|
||||
--------------------
|
||||
|
||||
::
|
||||
|
||||
%px 01234567 or 0123456789abcdef
|
||||
|
||||
For printing pointers when you _really_ want to print the address. Please
|
||||
For printing pointers when you *really* want to print the address. Please
|
||||
consider whether or not you are leaking sensitive information about the
|
||||
Kernel layout in memory before printing pointers with %px. %px is
|
||||
functionally equivalent to %lx. %px is preferred to %lx because it is more
|
||||
uniquely grep'able. If, in the future, we need to modify the way the Kernel
|
||||
handles printing pointers it will be nice to be able to find the call
|
||||
sites.
|
||||
kernel memory layout before printing pointers with %px. %px is functionally
|
||||
equivalent to %lx (or %lu). %px is preferred because it is more uniquely
|
||||
grep'able. If in the future we need to modify the way the kernel handles
|
||||
printing pointers we will be better equipped to find the call sites.
|
||||
|
||||
Struct Resources
|
||||
================
|
||||
----------------
|
||||
|
||||
::
|
||||
|
||||
@ -133,32 +140,37 @@ Struct Resources
|
||||
[mem 0x0000000060000000-0x000000006fffffff pref]
|
||||
|
||||
For printing struct resources. The ``R`` and ``r`` specifiers result in a
|
||||
printed resource with (``R``) or without (``r``) a decoded flags member.
|
||||
printed resource with (R) or without (r) a decoded flags member.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
Physical addresses types ``phys_addr_t``
|
||||
========================================
|
||||
Physical address types phys_addr_t
|
||||
----------------------------------
|
||||
|
||||
::
|
||||
|
||||
%pa[p] 0x01234567 or 0x0123456789abcdef
|
||||
|
||||
For printing a ``phys_addr_t`` type (and its derivatives, such as
|
||||
``resource_size_t``) which can vary based on build options, regardless of
|
||||
the width of the CPU data path. Passed by reference.
|
||||
For printing a phys_addr_t type (and its derivatives, such as
|
||||
resource_size_t) which can vary based on build options, regardless of the
|
||||
width of the CPU data path.
|
||||
|
||||
DMA addresses types ``dma_addr_t``
|
||||
==================================
|
||||
Passed by reference.
|
||||
|
||||
DMA address types dma_addr_t
|
||||
----------------------------
|
||||
|
||||
::
|
||||
|
||||
%pad 0x01234567 or 0x0123456789abcdef
|
||||
|
||||
For printing a ``dma_addr_t`` type which can vary based on build options,
|
||||
regardless of the width of the CPU data path. Passed by reference.
|
||||
For printing a dma_addr_t type which can vary based on build options,
|
||||
regardless of the width of the CPU data path.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
Raw buffer as an escaped string
|
||||
===============================
|
||||
-------------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -168,8 +180,8 @@ For printing raw buffer as an escaped string. For the following buffer::
|
||||
|
||||
1b 62 20 5c 43 07 22 90 0d 5d
|
||||
|
||||
few examples show how the conversion would be done (the result string
|
||||
without surrounding quotes)::
|
||||
A few examples show how the conversion would be done (excluding surrounding
|
||||
quotes)::
|
||||
|
||||
%*pE "\eb \C\a"\220\r]"
|
||||
%*pEhp "\x1bb \C\x07"\x90\x0d]"
|
||||
@ -179,23 +191,23 @@ The conversion rules are applied according to an optional combination
|
||||
of flags (see :c:func:`string_escape_mem` kernel documentation for the
|
||||
details):
|
||||
|
||||
- ``a`` - ESCAPE_ANY
|
||||
- ``c`` - ESCAPE_SPECIAL
|
||||
- ``h`` - ESCAPE_HEX
|
||||
- ``n`` - ESCAPE_NULL
|
||||
- ``o`` - ESCAPE_OCTAL
|
||||
- ``p`` - ESCAPE_NP
|
||||
- ``s`` - ESCAPE_SPACE
|
||||
- a - ESCAPE_ANY
|
||||
- c - ESCAPE_SPECIAL
|
||||
- h - ESCAPE_HEX
|
||||
- n - ESCAPE_NULL
|
||||
- o - ESCAPE_OCTAL
|
||||
- p - ESCAPE_NP
|
||||
- s - ESCAPE_SPACE
|
||||
|
||||
By default ESCAPE_ANY_NP is used.
|
||||
|
||||
ESCAPE_ANY_NP is the sane choice for many cases, in particularly for
|
||||
printing SSIDs.
|
||||
|
||||
If field width is omitted the 1 byte only will be escaped.
|
||||
If field width is omitted then 1 byte only will be escaped.
|
||||
|
||||
Raw buffer as a hex string
|
||||
==========================
|
||||
--------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -204,12 +216,12 @@ Raw buffer as a hex string
|
||||
%*phD 00-01-02- ... -3f
|
||||
%*phN 000102 ... 3f
|
||||
|
||||
For printing a small buffers (up to 64 bytes long) as a hex string with
|
||||
certain separator. For the larger buffers consider to use
|
||||
For printing small buffers (up to 64 bytes long) as a hex string with a
|
||||
certain separator. For larger buffers consider using
|
||||
:c:func:`print_hex_dump`.
|
||||
|
||||
MAC/FDDI addresses
|
||||
==================
|
||||
------------------
|
||||
|
||||
::
|
||||
|
||||
@ -220,11 +232,11 @@ MAC/FDDI addresses
|
||||
%pmR 050403020100
|
||||
|
||||
For printing 6-byte MAC/FDDI addresses in hex notation. The ``M`` and ``m``
|
||||
specifiers result in a printed address with (``M``) or without (``m``) byte
|
||||
separators. The default byte separator is the colon (``:``).
|
||||
specifiers result in a printed address with (M) or without (m) byte
|
||||
separators. The default byte separator is the colon (:).
|
||||
|
||||
Where FDDI addresses are concerned the ``F`` specifier can be used after
|
||||
the ``M`` specifier to use dash (``-``) separators instead of the default
|
||||
the ``M`` specifier to use dash (-) separators instead of the default
|
||||
separator.
|
||||
|
||||
For Bluetooth addresses the ``R`` specifier shall be used after the ``M``
|
||||
@ -234,7 +246,7 @@ of Bluetooth addresses which are in the little endian order.
|
||||
Passed by reference.
|
||||
|
||||
IPv4 addresses
|
||||
==============
|
||||
--------------
|
||||
|
||||
::
|
||||
|
||||
@ -243,8 +255,8 @@ IPv4 addresses
|
||||
%p[Ii]4[hnbl]
|
||||
|
||||
For printing IPv4 dot-separated decimal addresses. The ``I4`` and ``i4``
|
||||
specifiers result in a printed address with (``i4``) or without (``I4``)
|
||||
leading zeros.
|
||||
specifiers result in a printed address with (i4) or without (I4) leading
|
||||
zeros.
|
||||
|
||||
The additional ``h``, ``n``, ``b``, and ``l`` specifiers are used to specify
|
||||
host, network, big or little endian order addresses respectively. Where
|
||||
@ -253,7 +265,7 @@ no specifier is provided the default network/big endian order is used.
|
||||
Passed by reference.
|
||||
|
||||
IPv6 addresses
|
||||
==============
|
||||
--------------
|
||||
|
||||
::
|
||||
|
||||
@ -262,7 +274,7 @@ IPv6 addresses
|
||||
%pI6c 1:2:3:4:5:6:7:8
|
||||
|
||||
For printing IPv6 network-order 16-bit hex addresses. The ``I6`` and ``i6``
|
||||
specifiers result in a printed address with (``I6``) or without (``i6``)
|
||||
specifiers result in a printed address with (I6) or without (i6)
|
||||
colon-separators. Leading zeros are always used.
|
||||
|
||||
The additional ``c`` specifier can be used with the ``I`` specifier to
|
||||
@ -272,7 +284,7 @@ http://tools.ietf.org/html/rfc5952
|
||||
Passed by reference.
|
||||
|
||||
IPv4/IPv6 addresses (generic, with port, flowinfo, scope)
|
||||
=========================================================
|
||||
---------------------------------------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -282,8 +294,8 @@ IPv4/IPv6 addresses (generic, with port, flowinfo, scope)
|
||||
%pISpc 1.2.3.4:12345 or [1:2:3:4:5:6:7:8]:12345
|
||||
%p[Ii]S[pfschnbl]
|
||||
|
||||
For printing an IP address without the need to distinguish whether it``s
|
||||
of type AF_INET or AF_INET6, a pointer to a valid ``struct sockaddr``,
|
||||
For printing an IP address without the need to distinguish whether it's of
|
||||
type AF_INET or AF_INET6. A pointer to a valid struct sockaddr,
|
||||
specified through ``IS`` or ``iS``, can be passed to this format specifier.
|
||||
|
||||
The additional ``p``, ``f``, and ``s`` specifiers are used to specify port
|
||||
@ -309,7 +321,7 @@ Further examples::
|
||||
%pISpfc 1.2.3.4:12345 or [1:2:3:4:5:6:7:8]:12345/123456789
|
||||
|
||||
UUID/GUID addresses
|
||||
===================
|
||||
-------------------
|
||||
|
||||
::
|
||||
|
||||
@ -318,33 +330,33 @@ UUID/GUID addresses
|
||||
%pUl 03020100-0504-0706-0809-0a0b0c0e0e0f
|
||||
%pUL 03020100-0504-0706-0809-0A0B0C0E0E0F
|
||||
|
||||
For printing 16-byte UUID/GUIDs addresses. The additional 'l', 'L',
|
||||
'b' and 'B' specifiers are used to specify a little endian order in
|
||||
lower ('l') or upper case ('L') hex characters - and big endian order
|
||||
in lower ('b') or upper case ('B') hex characters.
|
||||
For printing 16-byte UUID/GUIDs addresses. The additional ``l``, ``L``,
|
||||
``b`` and ``B`` specifiers are used to specify a little endian order in
|
||||
lower (l) or upper case (L) hex notation - and big endian order in lower (b)
|
||||
or upper case (B) hex notation.
|
||||
|
||||
Where no additional specifiers are used the default big endian
|
||||
order with lower case hex characters will be printed.
|
||||
order with lower case hex notation will be printed.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
dentry names
|
||||
============
|
||||
------------
|
||||
|
||||
::
|
||||
|
||||
%pd{,2,3,4}
|
||||
%pD{,2,3,4}
|
||||
|
||||
For printing dentry name; if we race with :c:func:`d_move`, the name might be
|
||||
a mix of old and new ones, but it won't oops. ``%pd`` dentry is a safer
|
||||
equivalent of ``%s`` ``dentry->d_name.name`` we used to use, ``%pd<n>`` prints
|
||||
``n`` last components. ``%pD`` does the same thing for struct file.
|
||||
For printing dentry name; if we race with :c:func:`d_move`, the name might
|
||||
be a mix of old and new ones, but it won't oops. %pd dentry is a safer
|
||||
equivalent of %s dentry->d_name.name we used to use, %pd<n> prints ``n``
|
||||
last components. %pD does the same thing for struct file.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
block_device names
|
||||
==================
|
||||
------------------
|
||||
|
||||
::
|
||||
|
||||
@ -353,7 +365,7 @@ block_device names
|
||||
For printing name of block_device pointers.
|
||||
|
||||
struct va_format
|
||||
================
|
||||
----------------
|
||||
|
||||
::
|
||||
|
||||
@ -375,31 +387,27 @@ correctness of the format string and va_list arguments.
|
||||
Passed by reference.
|
||||
|
||||
kobjects
|
||||
========
|
||||
--------
|
||||
|
||||
::
|
||||
|
||||
%pO
|
||||
|
||||
Base specifier for kobject based structs. Must be followed with
|
||||
character for specific type of kobject as listed below:
|
||||
|
||||
Device tree nodes:
|
||||
|
||||
%pOF[fnpPcCF]
|
||||
|
||||
For printing device tree nodes. The optional arguments are:
|
||||
f device node full_name
|
||||
n device node name
|
||||
p device node phandle
|
||||
P device node path spec (name + @unit)
|
||||
F device node flags
|
||||
c major compatible string
|
||||
C full compatible string
|
||||
Without any arguments prints full_name (same as %pOFf)
|
||||
The separator when using multiple arguments is ':'
|
||||
|
||||
Examples:
|
||||
For printing kobject based structs (device nodes). Default behaviour is
|
||||
equivalent to %pOFf.
|
||||
|
||||
- f - device node full_name
|
||||
- n - device node name
|
||||
- p - device node phandle
|
||||
- P - device node path spec (name + @unit)
|
||||
- F - device node flags
|
||||
- c - major compatible string
|
||||
- C - full compatible string
|
||||
|
||||
The separator when using multiple arguments is ':'
|
||||
|
||||
Examples::
|
||||
|
||||
%pOF /foo/bar@0 - Node full name
|
||||
%pOFf /foo/bar@0 - Same as above
|
||||
@ -412,11 +420,10 @@ kobjects
|
||||
P - Populated
|
||||
B - Populated bus
|
||||
|
||||
Passed by reference.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
struct clk
|
||||
==========
|
||||
----------
|
||||
|
||||
::
|
||||
|
||||
@ -424,14 +431,14 @@ struct clk
|
||||
%pCn pll1
|
||||
%pCr 1560000000
|
||||
|
||||
For printing struct clk structures. ``%pC`` and ``%pCn`` print the name
|
||||
For printing struct clk structures. %pC and %pCn print the name
|
||||
(Common Clock Framework) or address (legacy clock framework) of the
|
||||
structure; ``%pCr`` prints the current clock rate.
|
||||
structure; %pCr prints the current clock rate.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
bitmap and its derivatives such as cpumask and nodemask
|
||||
=======================================================
|
||||
-------------------------------------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -439,13 +446,13 @@ bitmap and its derivatives such as cpumask and nodemask
|
||||
%*pbl 0,3-6,8-10
|
||||
|
||||
For printing bitmap and its derivatives such as cpumask and nodemask,
|
||||
``%*pb`` output the bitmap with field width as the number of bits and ``%*pbl``
|
||||
%*pb outputs the bitmap with field width as the number of bits and %*pbl
|
||||
output the bitmap as range list with field width as the number of bits.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
Flags bitfields such as page flags, gfp_flags
|
||||
=============================================
|
||||
---------------------------------------------
|
||||
|
||||
::
|
||||
|
||||
@ -459,14 +466,14 @@ character. Currently supported are [p]age flags, [v]ma_flags (both
|
||||
expect ``unsigned long *``) and [g]fp_flags (expects ``gfp_t *``). The flag
|
||||
names and print order depends on the particular type.
|
||||
|
||||
Note that this format should not be used directly in :c:func:`TP_printk()` part
|
||||
of a tracepoint. Instead, use the ``show_*_flags()`` functions from
|
||||
<trace/events/mmflags.h>.
|
||||
Note that this format should not be used directly in the
|
||||
:c:func:`TP_printk()` part of a tracepoint. Instead, use the show_*_flags()
|
||||
functions from <trace/events/mmflags.h>.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
Network device features
|
||||
=======================
|
||||
-----------------------
|
||||
|
||||
::
|
||||
|
||||
@ -476,8 +483,10 @@ For printing netdev_features_t.
|
||||
|
||||
Passed by reference.
|
||||
|
||||
If you add other ``%p`` extensions, please extend lib/test_printf.c with
|
||||
Thanks
|
||||
======
|
||||
|
||||
If you add other %p extensions, please extend <lib/test_printf.c> with
|
||||
one or more test cases, if at all feasible.
|
||||
|
||||
|
||||
Thank you for your cooperation and attention.
|
||||
150
Documentation/core-api/refcount-vs-atomic.rst
Normal file
150
Documentation/core-api/refcount-vs-atomic.rst
Normal file
@ -0,0 +1,150 @@
|
||||
===================================
|
||||
refcount_t API compared to atomic_t
|
||||
===================================
|
||||
|
||||
.. contents:: :local:
|
||||
|
||||
Introduction
|
||||
============
|
||||
|
||||
The goal of refcount_t API is to provide a minimal API for implementing
|
||||
an object's reference counters. While a generic architecture-independent
|
||||
implementation from lib/refcount.c uses atomic operations underneath,
|
||||
there are a number of differences between some of the ``refcount_*()`` and
|
||||
``atomic_*()`` functions with regards to the memory ordering guarantees.
|
||||
This document outlines the differences and provides respective examples
|
||||
in order to help maintainers validate their code against the change in
|
||||
these memory ordering guarantees.
|
||||
|
||||
The terms used through this document try to follow the formal LKMM defined in
|
||||
github.com/aparri/memory-model/blob/master/Documentation/explanation.txt
|
||||
|
||||
memory-barriers.txt and atomic_t.txt provide more background to the
|
||||
memory ordering in general and for atomic operations specifically.
|
||||
|
||||
Relevant types of memory ordering
|
||||
=================================
|
||||
|
||||
.. note:: The following section only covers some of the memory
|
||||
ordering types that are relevant for the atomics and reference
|
||||
counters and used through this document. For a much broader picture
|
||||
please consult memory-barriers.txt document.
|
||||
|
||||
In the absence of any memory ordering guarantees (i.e. fully unordered)
|
||||
atomics & refcounters only provide atomicity and
|
||||
program order (po) relation (on the same CPU). It guarantees that
|
||||
each ``atomic_*()`` and ``refcount_*()`` operation is atomic and instructions
|
||||
are executed in program order on a single CPU.
|
||||
This is implemented using :c:func:`READ_ONCE`/:c:func:`WRITE_ONCE` and
|
||||
compare-and-swap primitives.
|
||||
|
||||
A strong (full) memory ordering guarantees that all prior loads and
|
||||
stores (all po-earlier instructions) on the same CPU are completed
|
||||
before any po-later instruction is executed on the same CPU.
|
||||
It also guarantees that all po-earlier stores on the same CPU
|
||||
and all propagated stores from other CPUs must propagate to all
|
||||
other CPUs before any po-later instruction is executed on the original
|
||||
CPU (A-cumulative property). This is implemented using :c:func:`smp_mb`.
|
||||
|
||||
A RELEASE memory ordering guarantees that all prior loads and
|
||||
stores (all po-earlier instructions) on the same CPU are completed
|
||||
before the operation. It also guarantees that all po-earlier
|
||||
stores on the same CPU and all propagated stores from other CPUs
|
||||
must propagate to all other CPUs before the release operation
|
||||
(A-cumulative property). This is implemented using
|
||||
:c:func:`smp_store_release`.
|
||||
|
||||
A control dependency (on success) for refcounters guarantees that
|
||||
if a reference for an object was successfully obtained (reference
|
||||
counter increment or addition happened, function returned true),
|
||||
then further stores are ordered against this operation.
|
||||
Control dependency on stores are not implemented using any explicit
|
||||
barriers, but rely on CPU not to speculate on stores. This is only
|
||||
a single CPU relation and provides no guarantees for other CPUs.
|
||||
|
||||
|
||||
Comparison of functions
|
||||
=======================
|
||||
|
||||
case 1) - non-"Read/Modify/Write" (RMW) ops
|
||||
-------------------------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_set` --> :c:func:`refcount_set`
|
||||
* :c:func:`atomic_read` --> :c:func:`refcount_read`
|
||||
|
||||
Memory ordering guarantee changes:
|
||||
|
||||
* none (both fully unordered)
|
||||
|
||||
|
||||
case 2) - increment-based ops that return no value
|
||||
--------------------------------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_inc` --> :c:func:`refcount_inc`
|
||||
* :c:func:`atomic_add` --> :c:func:`refcount_add`
|
||||
|
||||
Memory ordering guarantee changes:
|
||||
|
||||
* none (both fully unordered)
|
||||
|
||||
case 3) - decrement-based RMW ops that return no value
|
||||
------------------------------------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_dec` --> :c:func:`refcount_dec`
|
||||
|
||||
Memory ordering guarantee changes:
|
||||
|
||||
* fully unordered --> RELEASE ordering
|
||||
|
||||
|
||||
case 4) - increment-based RMW ops that return a value
|
||||
-----------------------------------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_inc_not_zero` --> :c:func:`refcount_inc_not_zero`
|
||||
* no atomic counterpart --> :c:func:`refcount_add_not_zero`
|
||||
|
||||
Memory ordering guarantees changes:
|
||||
|
||||
* fully ordered --> control dependency on success for stores
|
||||
|
||||
.. note:: We really assume here that necessary ordering is provided as a
|
||||
result of obtaining pointer to the object!
|
||||
|
||||
|
||||
case 5) - decrement-based RMW ops that return a value
|
||||
-----------------------------------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_dec_and_test` --> :c:func:`refcount_dec_and_test`
|
||||
* :c:func:`atomic_sub_and_test` --> :c:func:`refcount_sub_and_test`
|
||||
* no atomic counterpart --> :c:func:`refcount_dec_if_one`
|
||||
* ``atomic_add_unless(&var, -1, 1)`` --> ``refcount_dec_not_one(&var)``
|
||||
|
||||
Memory ordering guarantees changes:
|
||||
|
||||
* fully ordered --> RELEASE ordering + control dependency
|
||||
|
||||
.. note:: :c:func:`atomic_add_unless` only provides full order on success.
|
||||
|
||||
|
||||
case 6) - lock-based RMW
|
||||
------------------------
|
||||
|
||||
Function changes:
|
||||
|
||||
* :c:func:`atomic_dec_and_lock` --> :c:func:`refcount_dec_and_lock`
|
||||
* :c:func:`atomic_dec_and_mutex_lock` --> :c:func:`refcount_dec_and_mutex_lock`
|
||||
|
||||
Memory ordering guarantees changes:
|
||||
|
||||
* fully ordered --> RELEASE ordering + control dependency + hold
|
||||
:c:func:`spin_lock` on success
|
||||
@ -112,16 +112,17 @@ Example kernel-doc function comment::
|
||||
|
||||
/**
|
||||
* foobar() - Brief description of foobar.
|
||||
* @arg: Description of argument of foobar.
|
||||
* @argument1: Description of parameter argument1 of foobar.
|
||||
* @argument2: Description of parameter argument2 of foobar.
|
||||
*
|
||||
* Longer description of foobar.
|
||||
*
|
||||
* Return: Description of return value of foobar.
|
||||
*/
|
||||
int foobar(int arg)
|
||||
int foobar(int argument1, char *argument2)
|
||||
|
||||
The format is similar for documentation for structures, enums, paragraphs,
|
||||
etc. See the sections below for details.
|
||||
etc. See the sections below for specific details of each type.
|
||||
|
||||
The kernel-doc structure is extracted from the comments, and proper `Sphinx C
|
||||
Domain`_ function and type descriptions with anchors are generated for them. The
|
||||
@ -130,6 +131,226 @@ cross-references. See below for details.
|
||||
|
||||
.. _Sphinx C Domain: http://www.sphinx-doc.org/en/stable/domains.html
|
||||
|
||||
|
||||
Parameters and member arguments
|
||||
-------------------------------
|
||||
|
||||
The kernel-doc function comments describe each parameter to the function and
|
||||
function typedefs or each member of struct/union, in order, with the
|
||||
``@argument:`` descriptions. For each non-private member argument, one
|
||||
``@argument`` definition is needed.
|
||||
|
||||
The ``@argument:`` descriptions begin on the very next line following
|
||||
the opening brief function description line, with no intervening blank
|
||||
comment lines.
|
||||
|
||||
The ``@argument:`` descriptions may span multiple lines.
|
||||
|
||||
.. note::
|
||||
|
||||
If the ``@argument`` description has multiple lines, the continuation
|
||||
of the description should be starting exactly at the same column as
|
||||
the previous line, e. g.::
|
||||
|
||||
* @argument: some long description
|
||||
* that continues on next lines
|
||||
|
||||
or::
|
||||
|
||||
* @argument:
|
||||
* some long description
|
||||
* that continues on next lines
|
||||
|
||||
If a function or typedef parameter argument is ``...`` (e. g. a variable
|
||||
number of arguments), its description should be listed in kernel-doc
|
||||
notation as::
|
||||
|
||||
* @...: description
|
||||
|
||||
Private members
|
||||
~~~~~~~~~~~~~~~
|
||||
|
||||
Inside a struct or union description, you can use the ``private:`` and
|
||||
``public:`` comment tags. Structure fields that are inside a ``private:``
|
||||
area are not listed in the generated output documentation.
|
||||
|
||||
The ``private:`` and ``public:`` tags must begin immediately following a
|
||||
``/*`` comment marker. They may optionally include comments between the
|
||||
``:`` and the ending ``*/`` marker.
|
||||
|
||||
Example::
|
||||
|
||||
/**
|
||||
* struct my_struct - short description
|
||||
* @a: first member
|
||||
* @b: second member
|
||||
* @d: fourth member
|
||||
*
|
||||
* Longer description
|
||||
*/
|
||||
struct my_struct {
|
||||
int a;
|
||||
int b;
|
||||
/* private: internal use only */
|
||||
int c;
|
||||
/* public: the next one is public */
|
||||
int d;
|
||||
};
|
||||
|
||||
Function documentation
|
||||
----------------------
|
||||
|
||||
The general format of a function and function-like macro kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* function_name() - Brief description of function.
|
||||
* @arg1: Describe the first argument.
|
||||
* @arg2: Describe the second argument.
|
||||
* One can provide multiple line descriptions
|
||||
* for arguments.
|
||||
*
|
||||
* A longer description, with more discussion of the function function_name()
|
||||
* that might be useful to those using or modifying it. Begins with an
|
||||
* empty comment line, and may include additional embedded empty
|
||||
* comment lines.
|
||||
*
|
||||
* The longer description may have multiple paragraphs.
|
||||
*
|
||||
* Return: Describe the return value of foobar.
|
||||
*
|
||||
* The return value description can also have multiple paragraphs, and should
|
||||
* be placed at the end of the comment block.
|
||||
*/
|
||||
|
||||
The brief description following the function name may span multiple lines, and
|
||||
ends with an argument description, a blank comment line, or the end of the
|
||||
comment block.
|
||||
|
||||
Return values
|
||||
~~~~~~~~~~~~~
|
||||
|
||||
The return value, if any, should be described in a dedicated section
|
||||
named ``Return``.
|
||||
|
||||
.. note::
|
||||
|
||||
#) The multi-line descriptive text you provide does *not* recognize
|
||||
line breaks, so if you try to format some text nicely, as in::
|
||||
|
||||
* Return:
|
||||
* 0 - OK
|
||||
* -EINVAL - invalid argument
|
||||
* -ENOMEM - out of memory
|
||||
|
||||
this will all run together and produce::
|
||||
|
||||
Return: 0 - OK -EINVAL - invalid argument -ENOMEM - out of memory
|
||||
|
||||
So, in order to produce the desired line breaks, you need to use a
|
||||
ReST list, e. g.::
|
||||
|
||||
* Return:
|
||||
* * 0 - OK to runtime suspend the device
|
||||
* * -EBUSY - Device should not be runtime suspended
|
||||
|
||||
#) If the descriptive text you provide has lines that begin with
|
||||
some phrase followed by a colon, each of those phrases will be taken
|
||||
as a new section heading, with probably won't produce the desired
|
||||
effect.
|
||||
|
||||
Structure, union, and enumeration documentation
|
||||
-----------------------------------------------
|
||||
|
||||
The general format of a struct, union, and enum kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* struct struct_name - Brief description.
|
||||
* @argument: Description of member member_name.
|
||||
*
|
||||
* Description of the structure.
|
||||
*/
|
||||
|
||||
On the above, ``struct`` is used to mean structs. You can also use ``union``
|
||||
and ``enum`` to describe unions and enums. ``argument`` is used
|
||||
to mean struct and union member names as well as enumerations in an enum.
|
||||
|
||||
The brief description following the structure name may span multiple lines, and
|
||||
ends with a member description, a blank comment line, or the end of the
|
||||
comment block.
|
||||
|
||||
The kernel-doc data structure comments describe each member of the structure,
|
||||
in order, with the member descriptions.
|
||||
|
||||
Nested structs/unions
|
||||
~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
It is possible to document nested structs unions, like::
|
||||
|
||||
/**
|
||||
* struct nested_foobar - a struct with nested unions and structs
|
||||
* @arg1: - first argument of anonymous union/anonymous struct
|
||||
* @arg2: - second argument of anonymous union/anonymous struct
|
||||
* @arg3: - third argument of anonymous union/anonymous struct
|
||||
* @arg4: - fourth argument of anonymous union/anonymous struct
|
||||
* @bar.st1.arg1 - first argument of struct st1 on union bar
|
||||
* @bar.st1.arg2 - second argument of struct st1 on union bar
|
||||
* @bar.st2.arg1 - first argument of struct st2 on union bar
|
||||
* @bar.st2.arg2 - second argument of struct st2 on union bar
|
||||
struct nested_foobar {
|
||||
/* Anonymous union/struct*/
|
||||
union {
|
||||
struct {
|
||||
int arg1;
|
||||
int arg2;
|
||||
}
|
||||
struct {
|
||||
void *arg3;
|
||||
int arg4;
|
||||
}
|
||||
}
|
||||
union {
|
||||
struct {
|
||||
int arg1;
|
||||
int arg2;
|
||||
} st1;
|
||||
struct {
|
||||
void *arg1;
|
||||
int arg2;
|
||||
} st2;
|
||||
} bar;
|
||||
};
|
||||
|
||||
.. note::
|
||||
|
||||
#) When documenting nested structs or unions, if the struct/union ``foo``
|
||||
is named, the argument ``bar`` inside it should be documented as
|
||||
``@foo.bar:``
|
||||
#) When the nested struct/union is anonymous, the argument ``bar`` on it
|
||||
should be documented as ``@bar:``
|
||||
|
||||
Typedef documentation
|
||||
---------------------
|
||||
|
||||
The general format of a typedef kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* typedef type_name - Brief description.
|
||||
*
|
||||
* Description of the type.
|
||||
*/
|
||||
|
||||
Typedefs with function prototypes can also be documented::
|
||||
|
||||
/**
|
||||
* typedef type_name - Brief description.
|
||||
* @arg1: description of arg1
|
||||
* @arg2: description of arg2
|
||||
*
|
||||
* Description of the type.
|
||||
*/
|
||||
typedef void (*type_name)(struct v4l2_ctrl *arg1, void *arg2);
|
||||
|
||||
|
||||
Highlights and cross-references
|
||||
-------------------------------
|
||||
|
||||
@ -201,70 +422,7 @@ cross-references.
|
||||
|
||||
For further details, please refer to the `Sphinx C Domain`_ documentation.
|
||||
|
||||
Function documentation
|
||||
----------------------
|
||||
|
||||
The general format of a function and function-like macro kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* function_name() - Brief description of function.
|
||||
* @arg1: Describe the first argument.
|
||||
* @arg2: Describe the second argument.
|
||||
* One can provide multiple line descriptions
|
||||
* for arguments.
|
||||
*
|
||||
* A longer description, with more discussion of the function function_name()
|
||||
* that might be useful to those using or modifying it. Begins with an
|
||||
* empty comment line, and may include additional embedded empty
|
||||
* comment lines.
|
||||
*
|
||||
* The longer description may have multiple paragraphs.
|
||||
*
|
||||
* Return: Describe the return value of foobar.
|
||||
*
|
||||
* The return value description can also have multiple paragraphs, and should
|
||||
* be placed at the end of the comment block.
|
||||
*/
|
||||
|
||||
The brief description following the function name may span multiple lines, and
|
||||
ends with an ``@argument:`` description, a blank comment line, or the end of the
|
||||
comment block.
|
||||
|
||||
The kernel-doc function comments describe each parameter to the function, in
|
||||
order, with the ``@argument:`` descriptions. The ``@argument:`` descriptions
|
||||
must begin on the very next line following the opening brief function
|
||||
description line, with no intervening blank comment lines. The ``@argument:``
|
||||
descriptions may span multiple lines. The continuation lines may contain
|
||||
indentation. If a function parameter is ``...`` (varargs), it should be listed
|
||||
in kernel-doc notation as: ``@...:``.
|
||||
|
||||
The return value, if any, should be described in a dedicated section at the end
|
||||
of the comment starting with "Return:".
|
||||
|
||||
Structure, union, and enumeration documentation
|
||||
-----------------------------------------------
|
||||
|
||||
The general format of a struct, union, and enum kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* struct struct_name - Brief description.
|
||||
* @member_name: Description of member member_name.
|
||||
*
|
||||
* Description of the structure.
|
||||
*/
|
||||
|
||||
Below, "struct" is used to mean structs, unions and enums, and "member" is used
|
||||
to mean struct and union members as well as enumerations in an enum.
|
||||
|
||||
The brief description following the structure name may span multiple lines, and
|
||||
ends with a ``@member:`` description, a blank comment line, or the end of the
|
||||
comment block.
|
||||
|
||||
The kernel-doc data structure comments describe each member of the structure, in
|
||||
order, with the ``@member:`` descriptions. The ``@member:`` descriptions must
|
||||
begin on the very next line following the opening brief function description
|
||||
line, with no intervening blank comment lines. The ``@member:`` descriptions may
|
||||
span multiple lines. The continuation lines may contain indentation.
|
||||
|
||||
In-line member documentation comments
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
@ -294,42 +452,6 @@ on a line of their own, like all other kernel-doc comments::
|
||||
int foobar;
|
||||
}
|
||||
|
||||
Private members
|
||||
~~~~~~~~~~~~~~~
|
||||
|
||||
Inside a struct description, you can use the "private:" and "public:" comment
|
||||
tags. Structure fields that are inside a "private:" area are not listed in the
|
||||
generated output documentation. The "private:" and "public:" tags must begin
|
||||
immediately following a ``/*`` comment marker. They may optionally include
|
||||
comments between the ``:`` and the ending ``*/`` marker.
|
||||
|
||||
Example::
|
||||
|
||||
/**
|
||||
* struct my_struct - short description
|
||||
* @a: first member
|
||||
* @b: second member
|
||||
*
|
||||
* Longer description
|
||||
*/
|
||||
struct my_struct {
|
||||
int a;
|
||||
int b;
|
||||
/* private: internal use only */
|
||||
int c;
|
||||
};
|
||||
|
||||
|
||||
Typedef documentation
|
||||
---------------------
|
||||
|
||||
The general format of a typedef kernel-doc comment is::
|
||||
|
||||
/**
|
||||
* typedef type_name - Brief description.
|
||||
*
|
||||
* Description of the type.
|
||||
*/
|
||||
|
||||
Overview documentation comments
|
||||
-------------------------------
|
||||
@ -376,3 +498,37 @@ file.
|
||||
|
||||
Data structures visible in kernel include files should also be documented using
|
||||
kernel-doc formatted comments.
|
||||
|
||||
How to use kernel-doc to generate man pages
|
||||
-------------------------------------------
|
||||
|
||||
If you just want to use kernel-doc to generate man pages you can do this
|
||||
from the Kernel git tree::
|
||||
|
||||
$ scripts/kernel-doc -man $(git grep -l '/\*\*' |grep -v Documentation/) | ./split-man.pl /tmp/man
|
||||
|
||||
Using the small ``split-man.pl`` script below::
|
||||
|
||||
|
||||
#!/usr/bin/perl
|
||||
|
||||
if ($#ARGV < 0) {
|
||||
die "where do I put the results?\n";
|
||||
}
|
||||
|
||||
mkdir $ARGV[0],0777;
|
||||
$state = 0;
|
||||
while (<STDIN>) {
|
||||
if (/^\.TH \"[^\"]*\" 9 \"([^\"]*)\"/) {
|
||||
if ($state == 1) { close OUT }
|
||||
$state = 1;
|
||||
$fn = "$ARGV[0]/$1.9";
|
||||
print STDERR "Creating $fn\n";
|
||||
open OUT, ">$fn" or die "can't open $fn: $!\n";
|
||||
print OUT $_;
|
||||
} elsif ($state != 0) {
|
||||
print OUT $_;
|
||||
}
|
||||
}
|
||||
|
||||
close OUT;
|
||||
|
||||
@ -13,12 +13,6 @@ Driver device table
|
||||
.. kernel-doc:: include/linux/mod_devicetable.h
|
||||
:internal:
|
||||
|
||||
Atomic and pointer manipulation
|
||||
-------------------------------
|
||||
|
||||
.. kernel-doc:: arch/x86/include/asm/atomic.h
|
||||
:internal:
|
||||
|
||||
Delaying, scheduling, and timer routines
|
||||
----------------------------------------
|
||||
|
||||
@ -85,6 +79,21 @@ Internal Functions
|
||||
.. kernel-doc:: kernel/kthread.c
|
||||
:export:
|
||||
|
||||
Reference counting
|
||||
------------------
|
||||
|
||||
.. kernel-doc:: include/linux/refcount.h
|
||||
:internal:
|
||||
|
||||
.. kernel-doc:: lib/refcount.c
|
||||
:export:
|
||||
|
||||
Atomics
|
||||
-------
|
||||
|
||||
.. kernel-doc:: arch/x86/include/asm/atomic.h
|
||||
:internal:
|
||||
|
||||
Kernel objects manipulation
|
||||
---------------------------
|
||||
|
||||
|
||||
@ -98,3 +98,55 @@ you to check the sanity of the setup.
|
||||
cat /dev/ttyUSB0
|
||||
done
|
||||
===== end of bash scripts ===============
|
||||
|
||||
Serial TTY
|
||||
==========
|
||||
|
||||
The DbC support has been added to the xHCI driver. You can get a
|
||||
debug device provided by the DbC at runtime.
|
||||
|
||||
In order to use this, you need to make sure your kernel has been
|
||||
configured to support USB_XHCI_DBGCAP. A sysfs attribute under
|
||||
the xHCI device node is used to enable or disable DbC. By default,
|
||||
DbC is disabled::
|
||||
|
||||
root@target:/sys/bus/pci/devices/0000:00:14.0# cat dbc
|
||||
disabled
|
||||
|
||||
Enable DbC with the following command::
|
||||
|
||||
root@target:/sys/bus/pci/devices/0000:00:14.0# echo enable > dbc
|
||||
|
||||
You can check the DbC state at anytime::
|
||||
|
||||
root@target:/sys/bus/pci/devices/0000:00:14.0# cat dbc
|
||||
enabled
|
||||
|
||||
Connect the debug target to the debug host with a USB 3.0 super-
|
||||
speed A-to-A debugging cable. You can see /dev/ttyDBC0 created
|
||||
on the debug target. You will see below kernel message lines::
|
||||
|
||||
root@target: tail -f /var/log/kern.log
|
||||
[ 182.730103] xhci_hcd 0000:00:14.0: DbC connected
|
||||
[ 191.169420] xhci_hcd 0000:00:14.0: DbC configured
|
||||
[ 191.169597] xhci_hcd 0000:00:14.0: DbC now attached to /dev/ttyDBC0
|
||||
|
||||
Accordingly, the DbC state has been brought up to::
|
||||
|
||||
root@target:/sys/bus/pci/devices/0000:00:14.0# cat dbc
|
||||
configured
|
||||
|
||||
On the debug host, you will see the debug device has been enumerated.
|
||||
You will see below kernel message lines::
|
||||
|
||||
root@host: tail -f /var/log/kern.log
|
||||
[ 79.454780] usb 2-2.1: new SuperSpeed USB device number 3 using xhci_hcd
|
||||
[ 79.475003] usb 2-2.1: LPM exit latency is zeroed, disabling LPM.
|
||||
[ 79.475389] usb 2-2.1: New USB device found, idVendor=1d6b, idProduct=0010
|
||||
[ 79.475390] usb 2-2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
|
||||
[ 79.475391] usb 2-2.1: Product: Linux USB Debug Target
|
||||
[ 79.475392] usb 2-2.1: Manufacturer: Linux Foundation
|
||||
[ 79.475393] usb 2-2.1: SerialNumber: 0001
|
||||
|
||||
The debug device works now. You can use any communication or debugging
|
||||
program to talk between the host and the target.
|
||||
|
||||
@ -321,6 +321,6 @@ linux-usb-devel Mailing List Archives:
|
||||
http://marc.theaimsgroup.com/?l=linux-usb-devel
|
||||
|
||||
Programming Guide for Linux USB Device Drivers:
|
||||
http://usb.cs.tum.edu/usbdoc
|
||||
http://lmu.web.psi.ch/docu/manuals/software_manuals/linux_sl/usb_linux_programming_guide.pdf
|
||||
|
||||
USB Home Page: http://www.usb.org
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
Fault injection capabilities infrastructure
|
||||
===========================================
|
||||
|
||||
See also drivers/md/faulty.c and "every_nth" module option for scsi_debug.
|
||||
See also drivers/md/md-faulty.c and "every_nth" module option for scsi_debug.
|
||||
|
||||
|
||||
Available fault injection capabilities
|
||||
|
||||
@ -49,12 +49,10 @@ sb=n Use alternate superblock at this location.
|
||||
|
||||
user_xattr Enable "user." POSIX Extended Attributes
|
||||
(requires CONFIG_EXT2_FS_XATTR).
|
||||
See also http://acl.bestbits.at
|
||||
nouser_xattr Don't support "user." extended attributes.
|
||||
|
||||
acl Enable POSIX Access Control Lists support
|
||||
(requires CONFIG_EXT2_FS_POSIX_ACL).
|
||||
See also http://acl.bestbits.at
|
||||
noacl Don't support POSIX ACLs.
|
||||
|
||||
nobh Do not attach buffer_heads to file pagecache.
|
||||
|
||||
@ -202,15 +202,14 @@ inode_readahead_blks=n This tuning parameter controls the maximum
|
||||
the buffer cache. The default value is 32 blocks.
|
||||
|
||||
nouser_xattr Disables Extended User Attributes. See the
|
||||
attr(5) manual page and http://acl.bestbits.at/
|
||||
for more information about extended attributes.
|
||||
attr(5) manual page for more information about
|
||||
extended attributes.
|
||||
|
||||
noacl This option disables POSIX Access Control List
|
||||
support. If ACL support is enabled in the kernel
|
||||
configuration (CONFIG_EXT4_FS_POSIX_ACL), ACL is
|
||||
enabled by default on mount. See the acl(5) manual
|
||||
page and http://acl.bestbits.at/ for more information
|
||||
about acl.
|
||||
page for more information about acl.
|
||||
|
||||
bsddf (*) Make 'df' act like BSD.
|
||||
minixdf Make 'df' act like Minix.
|
||||
|
||||
@ -344,4 +344,4 @@ the following:
|
||||
characters in the final slot are set to Unicode 0xFFFF.
|
||||
|
||||
Finally, note that the extended name is stored in Unicode. Each Unicode
|
||||
character takes two bytes.
|
||||
character takes either two or four bytes, UTF-16LE encoded.
|
||||
|
||||
@ -17,13 +17,16 @@ i2c-10, ...). All 256 minor device numbers are reserved for i2c.
|
||||
C example
|
||||
=========
|
||||
|
||||
So let's say you want to access an i2c adapter from a C program. The
|
||||
first thing to do is "#include <linux/i2c-dev.h>". Please note that
|
||||
there are two files named "i2c-dev.h" out there, one is distributed
|
||||
with the Linux kernel and is meant to be included from kernel
|
||||
driver code, the other one is distributed with i2c-tools and is
|
||||
meant to be included from user-space programs. You obviously want
|
||||
the second one here.
|
||||
So let's say you want to access an i2c adapter from a C program.
|
||||
First, you need to include these two headers:
|
||||
|
||||
#include <linux/i2c-dev.h>
|
||||
#include <i2c/smbus.h>
|
||||
|
||||
(Please note that there are two files named "i2c-dev.h" out there. One is
|
||||
distributed with the Linux kernel and the other one is included in the
|
||||
source tree of i2c-tools. They used to be different in content but since 2012
|
||||
they're identical. You should use "linux/i2c-dev.h").
|
||||
|
||||
Now, you have to decide which adapter you want to access. You should
|
||||
inspect /sys/class/i2c-dev/ or run "i2cdetect -l" to decide this.
|
||||
|
||||
@ -13,6 +13,18 @@ documents into a coherent whole. Please note that improvements to the
|
||||
documentation are welcome; join the linux-doc list at vger.kernel.org if
|
||||
you want to help out.
|
||||
|
||||
Licensing documentation
|
||||
-----------------------
|
||||
|
||||
The following describes the license of the Linux kernel source code
|
||||
(GPLv2), how to properly mark the license of individual files in the source
|
||||
tree, as well as links to the full license text.
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 2
|
||||
|
||||
process/license-rules.rst
|
||||
|
||||
User-oriented documentation
|
||||
---------------------------
|
||||
|
||||
@ -52,6 +64,7 @@ merged much easier.
|
||||
dev-tools/index
|
||||
doc-guide/index
|
||||
kernel-hacking/index
|
||||
maintainer/index
|
||||
|
||||
Kernel API documentation
|
||||
------------------------
|
||||
|
||||
@ -77,6 +77,27 @@ applicable everywhere (see syntax).
|
||||
Optionally, dependencies only for this default value can be added with
|
||||
"if".
|
||||
|
||||
The default value deliberately defaults to 'n' in order to avoid bloating the
|
||||
build. With few exceptions, new config options should not change this. The
|
||||
intent is for "make oldconfig" to add as little as possible to the config from
|
||||
release to release.
|
||||
|
||||
Note:
|
||||
Things that merit "default y/m" include:
|
||||
|
||||
a) A new Kconfig option for something that used to always be built
|
||||
should be "default y".
|
||||
|
||||
b) A new gatekeeping Kconfig option that hides/shows other Kconfig
|
||||
options (but does not generate any code of its own), should be
|
||||
"default y" so people will see those other options.
|
||||
|
||||
c) Sub-driver behavior or similar options for a driver that is
|
||||
"default n". This allows you to provide sane defaults.
|
||||
|
||||
d) Hardware or infrastructure that everybody expects, such as CONFIG_NET
|
||||
or CONFIG_BLOCK. These are rare exceptions.
|
||||
|
||||
- type definition + default value:
|
||||
"def_bool"/"def_tristate" <expr> ["if" <expr>]
|
||||
This is a shorthand notation for a type definition plus a value.
|
||||
|
||||
@ -1,322 +0,0 @@
|
||||
NOTE: this document is outdated and will eventually be removed. See
|
||||
Documentation/doc-guide/ for current information.
|
||||
|
||||
kernel-doc nano-HOWTO
|
||||
=====================
|
||||
|
||||
How to format kernel-doc comments
|
||||
---------------------------------
|
||||
|
||||
In order to provide embedded, 'C' friendly, easy to maintain,
|
||||
but consistent and extractable documentation of the functions and
|
||||
data structures in the Linux kernel, the Linux kernel has adopted
|
||||
a consistent style for documenting functions and their parameters,
|
||||
and structures and their members.
|
||||
|
||||
The format for this documentation is called the kernel-doc format.
|
||||
It is documented in this Documentation/kernel-doc-nano-HOWTO.txt file.
|
||||
|
||||
This style embeds the documentation within the source files, using
|
||||
a few simple conventions. The scripts/kernel-doc perl script, the
|
||||
Documentation/sphinx/kerneldoc.py Sphinx extension and other tools understand
|
||||
these conventions, and are used to extract this embedded documentation
|
||||
into various documents.
|
||||
|
||||
In order to provide good documentation of kernel functions and data
|
||||
structures, please use the following conventions to format your
|
||||
kernel-doc comments in Linux kernel source.
|
||||
|
||||
We definitely need kernel-doc formatted documentation for functions
|
||||
that are exported to loadable modules using EXPORT_SYMBOL.
|
||||
|
||||
We also look to provide kernel-doc formatted documentation for
|
||||
functions externally visible to other kernel files (not marked
|
||||
"static").
|
||||
|
||||
We also recommend providing kernel-doc formatted documentation
|
||||
for private (file "static") routines, for consistency of kernel
|
||||
source code layout. But this is lower priority and at the
|
||||
discretion of the MAINTAINER of that kernel source file.
|
||||
|
||||
Data structures visible in kernel include files should also be
|
||||
documented using kernel-doc formatted comments.
|
||||
|
||||
The opening comment mark "/**" is reserved for kernel-doc comments.
|
||||
Only comments so marked will be considered by the kernel-doc scripts,
|
||||
and any comment so marked must be in kernel-doc format. Do not use
|
||||
"/**" to be begin a comment block unless the comment block contains
|
||||
kernel-doc formatted comments. The closing comment marker for
|
||||
kernel-doc comments can be either "*/" or "**/", but "*/" is
|
||||
preferred in the Linux kernel tree.
|
||||
|
||||
Kernel-doc comments should be placed just before the function
|
||||
or data structure being described.
|
||||
|
||||
Example kernel-doc function comment:
|
||||
|
||||
/**
|
||||
* foobar() - short function description of foobar
|
||||
* @arg1: Describe the first argument to foobar.
|
||||
* @arg2: Describe the second argument to foobar.
|
||||
* One can provide multiple line descriptions
|
||||
* for arguments.
|
||||
*
|
||||
* A longer description, with more discussion of the function foobar()
|
||||
* that might be useful to those using or modifying it. Begins with
|
||||
* empty comment line, and may include additional embedded empty
|
||||
* comment lines.
|
||||
*
|
||||
* The longer description can have multiple paragraphs.
|
||||
*
|
||||
* Return: Describe the return value of foobar.
|
||||
*/
|
||||
|
||||
The short description following the subject can span multiple lines
|
||||
and ends with an @argument description, an empty line or the end of
|
||||
the comment block.
|
||||
|
||||
The @argument descriptions must begin on the very next line following
|
||||
this opening short function description line, with no intervening
|
||||
empty comment lines.
|
||||
|
||||
If a function parameter is "..." (varargs), it should be listed in
|
||||
kernel-doc notation as:
|
||||
* @...: description
|
||||
|
||||
The return value, if any, should be described in a dedicated section
|
||||
named "Return".
|
||||
|
||||
Example kernel-doc data structure comment.
|
||||
|
||||
/**
|
||||
* struct blah - the basic blah structure
|
||||
* @mem1: describe the first member of struct blah
|
||||
* @mem2: describe the second member of struct blah,
|
||||
* perhaps with more lines and words.
|
||||
*
|
||||
* Longer description of this structure.
|
||||
*/
|
||||
|
||||
The kernel-doc function comments describe each parameter to the
|
||||
function, in order, with the @name lines.
|
||||
|
||||
The kernel-doc data structure comments describe each structure member
|
||||
in the data structure, with the @name lines.
|
||||
|
||||
The longer description formatting is "reflowed", losing your line
|
||||
breaks. So presenting carefully formatted lists within these
|
||||
descriptions won't work so well; derived documentation will lose
|
||||
the formatting.
|
||||
|
||||
See the section below "How to add extractable documentation to your
|
||||
source files" for more details and notes on how to format kernel-doc
|
||||
comments.
|
||||
|
||||
Components of the kernel-doc system
|
||||
-----------------------------------
|
||||
|
||||
Many places in the source tree have extractable documentation in the
|
||||
form of block comments above functions. The components of this system
|
||||
are:
|
||||
|
||||
- scripts/kernel-doc
|
||||
|
||||
This is a perl script that hunts for the block comments and can mark
|
||||
them up directly into DocBook, ReST, man, text, and HTML. (No, not
|
||||
texinfo.)
|
||||
|
||||
- scripts/docproc.c
|
||||
|
||||
This is a program for converting SGML template files into SGML
|
||||
files. When a file is referenced it is searched for symbols
|
||||
exported (EXPORT_SYMBOL), to be able to distinguish between internal
|
||||
and external functions.
|
||||
It invokes kernel-doc, giving it the list of functions that
|
||||
are to be documented.
|
||||
Additionally it is used to scan the SGML template files to locate
|
||||
all the files referenced herein. This is used to generate dependency
|
||||
information as used by make.
|
||||
|
||||
- Makefile
|
||||
|
||||
The targets 'xmldocs', 'latexdocs', 'pdfdocs', 'epubdocs'and 'htmldocs'
|
||||
are used to build XML DocBook files, LaTeX files, PDF files,
|
||||
ePub files and html files in Documentation/.
|
||||
|
||||
How to extract the documentation
|
||||
--------------------------------
|
||||
|
||||
If you just want to read the ready-made books on the various
|
||||
subsystems, just type 'make epubdocs', or 'make pdfdocs', or 'make htmldocs',
|
||||
depending on your preference. If you would rather read a different format,
|
||||
you can type 'make xmldocs' and then use DocBook tools to convert
|
||||
Documentation/output/*.xml to a format of your choice (for example,
|
||||
'db2html ...' if 'make htmldocs' was not defined).
|
||||
|
||||
If you want to see man pages instead, you can do this:
|
||||
|
||||
$ cd linux
|
||||
$ scripts/kernel-doc -man $(find -name '*.c') | split-man.pl /tmp/man
|
||||
$ scripts/kernel-doc -man $(find -name '*.h') | split-man.pl /tmp/man
|
||||
|
||||
Here is split-man.pl:
|
||||
|
||||
-->
|
||||
#!/usr/bin/perl
|
||||
|
||||
if ($#ARGV < 0) {
|
||||
die "where do I put the results?\n";
|
||||
}
|
||||
|
||||
mkdir $ARGV[0],0777;
|
||||
$state = 0;
|
||||
while (<STDIN>) {
|
||||
if (/^\.TH \"[^\"]*\" 9 \"([^\"]*)\"/) {
|
||||
if ($state == 1) { close OUT }
|
||||
$state = 1;
|
||||
$fn = "$ARGV[0]/$1.9";
|
||||
print STDERR "Creating $fn\n";
|
||||
open OUT, ">$fn" or die "can't open $fn: $!\n";
|
||||
print OUT $_;
|
||||
} elsif ($state != 0) {
|
||||
print OUT $_;
|
||||
}
|
||||
}
|
||||
|
||||
close OUT;
|
||||
<--
|
||||
|
||||
If you just want to view the documentation for one function in one
|
||||
file, you can do this:
|
||||
|
||||
$ scripts/kernel-doc -man -function fn file | nroff -man | less
|
||||
|
||||
or this:
|
||||
|
||||
$ scripts/kernel-doc -text -function fn file
|
||||
|
||||
|
||||
How to add extractable documentation to your source files
|
||||
---------------------------------------------------------
|
||||
|
||||
The format of the block comment is like this:
|
||||
|
||||
/**
|
||||
* function_name(:)? (- short description)?
|
||||
(* @parameterx(space)*: (description of parameter x)?)*
|
||||
(* a blank line)?
|
||||
* (Description:)? (Description of function)?
|
||||
* (section header: (section description)? )*
|
||||
(*)?*/
|
||||
|
||||
All "description" text can span multiple lines, although the
|
||||
function_name & its short description are traditionally on a single line.
|
||||
Description text may also contain blank lines (i.e., lines that contain
|
||||
only a "*").
|
||||
|
||||
"section header:" names must be unique per function (or struct,
|
||||
union, typedef, enum).
|
||||
|
||||
Use the section header "Return" for sections describing the return value
|
||||
of a function.
|
||||
|
||||
Avoid putting a spurious blank line after the function name, or else the
|
||||
description will be repeated!
|
||||
|
||||
All descriptive text is further processed, scanning for the following special
|
||||
patterns, which are highlighted appropriately.
|
||||
|
||||
'funcname()' - function
|
||||
'$ENVVAR' - environment variable
|
||||
'&struct_name' - name of a structure (up to two words including 'struct')
|
||||
'@parameter' - name of a parameter
|
||||
'%CONST' - name of a constant.
|
||||
|
||||
NOTE 1: The multi-line descriptive text you provide does *not* recognize
|
||||
line breaks, so if you try to format some text nicely, as in:
|
||||
|
||||
Return:
|
||||
0 - cool
|
||||
1 - invalid arg
|
||||
2 - out of memory
|
||||
|
||||
this will all run together and produce:
|
||||
|
||||
Return: 0 - cool 1 - invalid arg 2 - out of memory
|
||||
|
||||
NOTE 2: If the descriptive text you provide has lines that begin with
|
||||
some phrase followed by a colon, each of those phrases will be taken as
|
||||
a new section heading, which means you should similarly try to avoid text
|
||||
like:
|
||||
|
||||
Return:
|
||||
0: cool
|
||||
1: invalid arg
|
||||
2: out of memory
|
||||
|
||||
every line of which would start a new section. Again, probably not
|
||||
what you were after.
|
||||
|
||||
Take a look around the source tree for examples.
|
||||
|
||||
|
||||
kernel-doc for structs, unions, enums, and typedefs
|
||||
---------------------------------------------------
|
||||
|
||||
Beside functions you can also write documentation for structs, unions,
|
||||
enums and typedefs. Instead of the function name you must write the name
|
||||
of the declaration; the struct/union/enum/typedef must always precede
|
||||
the name. Nesting of declarations is not supported.
|
||||
Use the argument mechanism to document members or constants.
|
||||
|
||||
Inside a struct description, you can use the "private:" and "public:"
|
||||
comment tags. Structure fields that are inside a "private:" area
|
||||
are not listed in the generated output documentation. The "private:"
|
||||
and "public:" tags must begin immediately following a "/*" comment
|
||||
marker. They may optionally include comments between the ":" and the
|
||||
ending "*/" marker.
|
||||
|
||||
Example:
|
||||
|
||||
/**
|
||||
* struct my_struct - short description
|
||||
* @a: first member
|
||||
* @b: second member
|
||||
*
|
||||
* Longer description
|
||||
*/
|
||||
struct my_struct {
|
||||
int a;
|
||||
int b;
|
||||
/* private: internal use only */
|
||||
int c;
|
||||
};
|
||||
|
||||
|
||||
Including documentation blocks in source files
|
||||
----------------------------------------------
|
||||
|
||||
To facilitate having source code and comments close together, you can
|
||||
include kernel-doc documentation blocks that are free-form comments
|
||||
instead of being kernel-doc for functions, structures, unions,
|
||||
enums, or typedefs. This could be used for something like a
|
||||
theory of operation for a driver or library code, for example.
|
||||
|
||||
This is done by using a DOC: section keyword with a section title. E.g.:
|
||||
|
||||
/**
|
||||
* DOC: Theory of Operation
|
||||
*
|
||||
* The whizbang foobar is a dilly of a gizmo. It can do whatever you
|
||||
* want it to do, at any time. It reads your mind. Here's how it works.
|
||||
*
|
||||
* foo bar splat
|
||||
*
|
||||
* The only drawback to this gizmo is that is can sometimes damage
|
||||
* hardware, software, or its subject(s).
|
||||
*/
|
||||
|
||||
DOC: sections are used in ReST files.
|
||||
|
||||
Tim.
|
||||
*/ <twaugh@redhat.com>
|
||||
@ -523,7 +523,7 @@ this expression is true, or ``-ERESTARTSYS`` if a signal is received. The
|
||||
Waking Up Queued Tasks
|
||||
----------------------
|
||||
|
||||
Call :c:func:`wake_up()` (``include/linux/wait.h``);, which will wake
|
||||
Call :c:func:`wake_up()` (``include/linux/wait.h``), which will wake
|
||||
up every process in the queue. The exception is if one has
|
||||
``TASK_EXCLUSIVE`` set, in which case the remainder of the queue will
|
||||
not be woken. There are other variants of this basic function available
|
||||
@ -690,8 +690,8 @@ not provide the necessary runtime environment and the include files are
|
||||
not tested for it. It is still possible, but not recommended. If you
|
||||
really want to do this, forget about exceptions at least.
|
||||
|
||||
NUMif
|
||||
-----
|
||||
#if
|
||||
---
|
||||
|
||||
It is generally considered cleaner to use macros in header files (or at
|
||||
the top of .c files) to abstract away functions rather than using \`#if'
|
||||
|
||||
10
Documentation/maintainer/conf.py
Normal file
10
Documentation/maintainer/conf.py
Normal file
@ -0,0 +1,10 @@
|
||||
# -*- coding: utf-8; mode: python -*-
|
||||
|
||||
project = 'Linux Kernel Development Documentation'
|
||||
|
||||
tags.add("subproject")
|
||||
|
||||
latex_documents = [
|
||||
('index', 'maintainer.tex', 'Linux Kernel Development Documentation',
|
||||
'The kernel development community', 'manual'),
|
||||
]
|
||||
34
Documentation/maintainer/configure-git.rst
Normal file
34
Documentation/maintainer/configure-git.rst
Normal file
@ -0,0 +1,34 @@
|
||||
.. _configuregit:
|
||||
|
||||
Configure Git
|
||||
=============
|
||||
|
||||
This chapter describes maintainer level git configuration.
|
||||
|
||||
Tagged branches used in :ref:`Documentation/maintainer/pull-requests.rst
|
||||
<pullrequests>` should be signed with the developers public GPG key. Signed
|
||||
tags can be created by passing the ``-u`` flag to ``git tag``. However,
|
||||
since you would *usually* use the same key for the same project, you can
|
||||
set it once with
|
||||
::
|
||||
|
||||
git config user.signingkey "keyname"
|
||||
|
||||
Alternatively, edit your ``.git/config`` or ``~/.gitconfig`` file by hand:
|
||||
::
|
||||
|
||||
[user]
|
||||
name = Jane Developer
|
||||
email = jd@domain.org
|
||||
signingkey = jd@domain.org
|
||||
|
||||
You may need to tell ``git`` to use ``gpg2``
|
||||
::
|
||||
|
||||
[gpg]
|
||||
program = /path/to/gpg2
|
||||
|
||||
You may also like to tell ``gpg`` which ``tty`` to use (add to your shell rc file)
|
||||
::
|
||||
|
||||
export GPG_TTY=$(tty)
|
||||
14
Documentation/maintainer/index.rst
Normal file
14
Documentation/maintainer/index.rst
Normal file
@ -0,0 +1,14 @@
|
||||
==========================
|
||||
Kernel Maintainer Handbook
|
||||
==========================
|
||||
|
||||
This document is the humble beginning of a manual for kernel maintainers.
|
||||
There is a lot yet to go here! Please feel free to propose (and write)
|
||||
additions to this manual.
|
||||
|
||||
.. toctree::
|
||||
:maxdepth: 2
|
||||
|
||||
configure-git
|
||||
pull-requests
|
||||
|
||||
178
Documentation/maintainer/pull-requests.rst
Normal file
178
Documentation/maintainer/pull-requests.rst
Normal file
@ -0,0 +1,178 @@
|
||||
.. _pullrequests:
|
||||
|
||||
Creating Pull Requests
|
||||
======================
|
||||
|
||||
This chapter describes how maintainers can create and submit pull requests
|
||||
to other maintainers. This is useful for transferring changes from one
|
||||
maintainers tree to another maintainers tree.
|
||||
|
||||
This document was written by Tobin C. Harding (who at that time, was not an
|
||||
experienced maintainer) primarily from comments made by Greg Kroah-Hartman
|
||||
and Linus Torvalds on LKML. Suggestions and fixes by Jonathan Corbet and
|
||||
Mauro Carvalho Chehab. Misrepresentation was unintentional but inevitable,
|
||||
please direct abuse to Tobin C. Harding <me@tobin.cc>.
|
||||
|
||||
Original email thread::
|
||||
|
||||
http://lkml.kernel.org/r/20171114110500.GA21175@kroah.com
|
||||
|
||||
|
||||
Create Branch
|
||||
-------------
|
||||
|
||||
To start with you will need to have all the changes you wish to include in
|
||||
the pull request on a separate branch. Typically you will base this branch
|
||||
off of a branch in the developers tree whom you intend to send the pull
|
||||
request to.
|
||||
|
||||
In order to create the pull request you must first tag the branch that you
|
||||
have just created. It is recommended that you choose a meaningful tag name,
|
||||
in a way that you and others can understand, even after some time. A good
|
||||
practice is to include in the name an indicator of the sybsystem of origin
|
||||
and the target kernel version.
|
||||
|
||||
Greg offers the following. A pull request with miscellaneous stuff for
|
||||
drivers/char, to be applied at the Kernel version 4.15-rc1 could be named
|
||||
as ``char-misc-4.15-rc1``. If such tag would be produced from a branch
|
||||
named ``char-misc-next``, you would be using the following command::
|
||||
|
||||
git tag -s char-misc-4.15-rc1 char-misc-next
|
||||
|
||||
that will create a signed tag called ``char-misc-4.15-rc1`` based on the
|
||||
last commit in the ``char-misc-next`` branch, and sign it with your gpg key
|
||||
(see :ref:`Documentation/maintainer/configure_git.rst <configuregit>`).
|
||||
|
||||
Linus will only accept pull requests based on a signed tag. Other
|
||||
maintainers may differ.
|
||||
|
||||
When you run the above command ``git`` will drop you into an editor and ask
|
||||
you to describe the tag. In this case, you are describing a pull request,
|
||||
so outline what is contained here, why it should be merged, and what, if
|
||||
any, testing has been done. All of this information will end up in the tag
|
||||
itself, and then in the merge commit that the maintainer makes if/when they
|
||||
merge the pull request. So write it up well, as it will be in the kernel
|
||||
tree for forever.
|
||||
|
||||
As said by Linus::
|
||||
|
||||
Anyway, at least to me, the important part is the *message*. I want
|
||||
to understand what I'm pulling, and why I should pull it. I also
|
||||
want to use that message as the message for the merge, so it should
|
||||
not just make sense to me, but make sense as a historical record
|
||||
too.
|
||||
|
||||
Note that if there is something odd about the pull request, that
|
||||
should very much be in the explanation. If you're touching files
|
||||
that you don't maintain, explain _why_. I will see it in the
|
||||
diffstat anyway, and if you didn't mention it, I'll just be extra
|
||||
suspicious. And when you send me new stuff after the merge window
|
||||
(or even bug-fixes, but ones that look scary), explain not just
|
||||
what they do and why they do it, but explain the _timing_. What
|
||||
happened that this didn't go through the merge window..
|
||||
|
||||
I will take both what you write in the email pull request _and_ in
|
||||
the signed tag, so depending on your workflow, you can either
|
||||
describe your work in the signed tag (which will also automatically
|
||||
make it into the pull request email), or you can make the signed
|
||||
tag just a placeholder with nothing interesting in it, and describe
|
||||
the work later when you actually send me the pull request.
|
||||
|
||||
And yes, I will edit the message. Partly because I tend to do just
|
||||
trivial formatting (the whole indentation and quoting etc), but
|
||||
partly because part of the message may make sense for me at pull
|
||||
time (describing the conflicts and your personal issues for sending
|
||||
it right now), but may not make sense in the context of a merge
|
||||
commit message, so I will try to make it all make sense. I will
|
||||
also fix any speeling mistaeks and bad grammar I notice,
|
||||
particularly for non-native speakers (but also for native ones
|
||||
;^). But I may miss some, or even add some.
|
||||
|
||||
Linus
|
||||
|
||||
Greg gives, as an example pull request::
|
||||
|
||||
Char/Misc patches for 4.15-rc1
|
||||
|
||||
Here is the big char/misc patch set for the 4.15-rc1 merge window.
|
||||
Contained in here is the normal set of new functions added to all
|
||||
of these crazy drivers, as well as the following brand new
|
||||
subsystems:
|
||||
- time_travel_controller: Finally a set of drivers for the
|
||||
latest time travel bus architecture that provides i/o to
|
||||
the CPU before it asked for it, allowing uninterrupted
|
||||
processing
|
||||
- relativity_shifters: due to the affect that the
|
||||
time_travel_controllers have on the overall system, there
|
||||
was a need for a new set of relativity shifter drivers to
|
||||
accommodate the newly formed black holes that would
|
||||
threaten to suck CPUs into them. This subsystem handles
|
||||
this in a way to successfully neutralize the problems.
|
||||
There is a Kconfig option to force these to be enabled
|
||||
when needed, so problems should not occur.
|
||||
|
||||
All of these patches have been successfully tested in the latest
|
||||
linux-next releases, and the original problems that it found have
|
||||
all been resolved (apologies to anyone living near Canberra for the
|
||||
lack of the Kconfig options in the earlier versions of the
|
||||
linux-next tree creations.)
|
||||
|
||||
Signed-off-by: Your-name-here <your_email@domain>
|
||||
|
||||
|
||||
The tag message format is just like a git commit id. One line at the top
|
||||
for a "summary subject" and be sure to sign-off at the bottom.
|
||||
|
||||
Now that you have a local signed tag, you need to push it up to where it
|
||||
can be retrieved::
|
||||
|
||||
git push origin char-misc-4.15-rc1
|
||||
|
||||
|
||||
Create Pull Request
|
||||
-------------------
|
||||
|
||||
The last thing to do is create the pull request message. ``git`` handily
|
||||
will do this for you with the ``git request-pull`` command, but it needs a
|
||||
bit of help determining what you want to pull, and on what to base the pull
|
||||
against (to show the correct changes to be pulled and the diffstat). The
|
||||
following command(s) will generate a pull request::
|
||||
|
||||
git request-pull master git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git/ char-misc-4.15-rc1
|
||||
|
||||
Quoting Greg::
|
||||
|
||||
This is asking git to compare the difference from the
|
||||
'char-misc-4.15-rc1' tag location, to the head of the 'master'
|
||||
branch (which in my case points to the last location in Linus's
|
||||
tree that I diverged from, usually a -rc release) and to use the
|
||||
git:// protocol to pull from. If you wish to use https://, that
|
||||
can be used here instead as well (but note that some people behind
|
||||
firewalls will have problems with https git pulls).
|
||||
|
||||
If the char-misc-4.15-rc1 tag is not present in the repo that I am
|
||||
asking to be pulled from, git will complain saying it is not there,
|
||||
a handy way to remember to actually push it to a public location.
|
||||
|
||||
The output of 'git request-pull' will contain the location of the
|
||||
git tree and specific tag to pull from, and the full text
|
||||
description of that tag (which is why you need to provide good
|
||||
information in that tag). It will also create a diffstat of the
|
||||
pull request, and a shortlog of the individual commits that the
|
||||
pull request will provide.
|
||||
|
||||
Linus responded that he tends to prefer the ``git://`` protocol. Other
|
||||
maintainers may have different preferences. Also, note that if you are
|
||||
creating pull requests without a signed tag then ``https://`` may be a
|
||||
better choice. Please see the original thread for the full discussion.
|
||||
|
||||
|
||||
Submit Pull Request
|
||||
-------------------
|
||||
|
||||
A pull request is submitted in the same way as an ordinary patch. Send as
|
||||
inline email to the maintainer and CC LKML and any sub-system specific
|
||||
lists if required. Pull requests to Linus typically have a subject line
|
||||
something like::
|
||||
|
||||
[GIT PULL] <subsystem> changes for v4.15-rc1
|
||||
@ -68,6 +68,7 @@ we might work for today, have in the past, or will in the future.
|
||||
- Paul Burton
|
||||
- Javier Martinez Canillas
|
||||
- Rob Clark
|
||||
- Kees Cook (Google)
|
||||
- Jonathan Corbet
|
||||
- Dennis Dalessandro
|
||||
- Vivien Didelot (Savoir-faire Linux)
|
||||
@ -137,6 +138,7 @@ we might work for today, have in the past, or will in the future.
|
||||
- Anna Schumaker
|
||||
- Jes Sorensen
|
||||
- K.Y. Srinivasan
|
||||
- David Sterba (SUSE)
|
||||
- Heiko Stuebner
|
||||
- Jiri Kosina (SUSE)
|
||||
- Willy Tarreau
|
||||
@ -144,6 +146,7 @@ we might work for today, have in the past, or will in the future.
|
||||
- Linus Torvalds
|
||||
- Thierry Reding
|
||||
- Rik van Riel
|
||||
- Luis R. Rodriguez
|
||||
- Geert Uytterhoeven (Glider bvba)
|
||||
- Eduardo Valentin (Amazon.com)
|
||||
- Daniel Vetter
|
||||
|
||||
370
Documentation/process/license-rules.rst
Normal file
370
Documentation/process/license-rules.rst
Normal file
@ -0,0 +1,370 @@
|
||||
.. SPDX-License-Identifier: GPL-2.0
|
||||
|
||||
Linux kernel licensing rules
|
||||
============================
|
||||
|
||||
The Linux Kernel is provided under the terms of the GNU General Public
|
||||
License version 2 only (GPL-2.0), as published by the Free Software
|
||||
Foundation, and provided in the COPYING file. This documentation file is
|
||||
not meant to replace the COPYING file, but provides a description of how
|
||||
each source file should be annotated to make the licensing it is governed
|
||||
under clear and unambiguous.
|
||||
|
||||
The license in the COPYING file applies to the kernel source as a whole,
|
||||
though individual source files can have a different license which is
|
||||
required to be compatible with the GPL-2.0::
|
||||
|
||||
GPL-1.0+ : GNU General Public License v1.0 or later
|
||||
GPL-2.0+ : GNU General Public License v2.0 or later
|
||||
LGPL-2.0 : GNU Library General Public License v2 only
|
||||
LGPL-2.0+ : GNU Library General Public License v2 or later
|
||||
LGPL-2.1 : GNU Lesser General Public License v2.1 only
|
||||
LGPL-2.1+ : GNU Lesser General Public License v2.1 or later
|
||||
|
||||
Aside from that, individual files can be provided under a dual license,
|
||||
e.g. one of the compatible GPL variants and alternatively under a
|
||||
permissive license like BSD, MIT etc.
|
||||
|
||||
The User-space API (UAPI) header files, which describe the interface of
|
||||
user-space programs to the kernel are a special case. According to the
|
||||
note in the kernel COPYING file, the syscall interface is a clear boundary,
|
||||
which does not extend the GPL requirements to any software which uses it to
|
||||
communicate with the kernel. Because the UAPI headers must be includable
|
||||
into any source files which create an executable running on the Linux
|
||||
kernel, the exception must be documented by a special license expression.
|
||||
|
||||
The common way of expressing the license of a source file is to add the
|
||||
matching boilerplate text into the top comment of the file. Due to
|
||||
formatting, typos etc. these "boilerplates" are hard to validate for
|
||||
tools which are used in the context of license compliance.
|
||||
|
||||
An alternative to boilerplate text is the use of Software Package Data
|
||||
Exchange (SPDX) license identifiers in each source file. SPDX license
|
||||
identifiers are machine parsable and precise shorthands for the license
|
||||
under which the content of the file is contributed. SPDX license
|
||||
identifiers are managed by the SPDX Workgroup at the Linux Foundation and
|
||||
have been agreed on by partners throughout the industry, tool vendors, and
|
||||
legal teams. For further information see https://spdx.org/
|
||||
|
||||
The Linux kernel requires the precise SPDX identifier in all source files.
|
||||
The valid identifiers used in the kernel are explained in the section
|
||||
`License identifiers`_ and have been retrieved from the official SPDX
|
||||
license list at https://spdx.org/licenses/ along with the license texts.
|
||||
|
||||
License identifier syntax
|
||||
-------------------------
|
||||
|
||||
1. Placement:
|
||||
|
||||
The SPDX license identifier in kernel files shall be added at the first
|
||||
possible line in a file which can contain a comment. For the majority
|
||||
or files this is the first line, except for scripts which require the
|
||||
'#!PATH_TO_INTERPRETER' in the first line. For those scripts the SPDX
|
||||
identifier goes into the second line.
|
||||
|
||||
|
|
||||
|
||||
2. Style:
|
||||
|
||||
The SPDX license identifier is added in form of a comment. The comment
|
||||
style depends on the file type::
|
||||
|
||||
C source: // SPDX-License-Identifier: <SPDX License Expression>
|
||||
C header: /* SPDX-License-Identifier: <SPDX License Expression> */
|
||||
ASM: /* SPDX-License-Identifier: <SPDX License Expression> */
|
||||
scripts: # SPDX-License-Identifier: <SPDX License Expression>
|
||||
.rst: .. SPDX-License-Identifier: <SPDX License Expression>
|
||||
.dts{i}: // SPDX-License-Identifier: <SPDX License Expression>
|
||||
|
||||
If a specific tool cannot handle the standard comment style, then the
|
||||
appropriate comment mechanism which the tool accepts shall be used. This
|
||||
is the reason for having the "/\* \*/" style comment in C header
|
||||
files. There was build breakage observed with generated .lds files where
|
||||
'ld' failed to parse the C++ comment. This has been fixed by now, but
|
||||
there are still older assembler tools which cannot handle C++ style
|
||||
comments.
|
||||
|
||||
|
|
||||
|
||||
3. Syntax:
|
||||
|
||||
A <SPDX License Expression> is either an SPDX short form license
|
||||
identifier found on the SPDX License List, or the combination of two
|
||||
SPDX short form license identifiers separated by "WITH" when a license
|
||||
exception applies. When multiple licenses apply, an expression consists
|
||||
of keywords "AND", "OR" separating sub-expressions and surrounded by
|
||||
"(", ")" .
|
||||
|
||||
License identifiers for licenses like [L]GPL with the 'or later' option
|
||||
are constructed by using a "+" for indicating the 'or later' option.::
|
||||
|
||||
// SPDX-License-Identifier: GPL-2.0+
|
||||
// SPDX-License-Identifier: LGPL-2.1+
|
||||
|
||||
WITH should be used when there is a modifier to a license needed.
|
||||
For example, the linux kernel UAPI files use the expression::
|
||||
|
||||
// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
|
||||
// SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note
|
||||
|
||||
Other examples using WITH exceptions found in the kernel are::
|
||||
|
||||
// SPDX-License-Identifier: GPL-2.0 WITH mif-exception
|
||||
// SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0
|
||||
|
||||
Exceptions can only be used with particular License identifiers. The
|
||||
valid License identifiers are listed in the tags of the exception text
|
||||
file. For details see the point `Exceptions`_ in the chapter `License
|
||||
identifiers`_.
|
||||
|
||||
OR should be used if the file is dual licensed and only one license is
|
||||
to be selected. For example, some dtsi files are available under dual
|
||||
licenses::
|
||||
|
||||
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
|
||||
|
||||
Examples from the kernel for license expressions in dual licensed files::
|
||||
|
||||
// SPDX-License-Identifier: GPL-2.0 OR MIT
|
||||
// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
|
||||
// SPDX-License-Identifier: GPL-2.0 OR Apache-2.0
|
||||
// SPDX-License-Identifier: GPL-2.0 OR MPL-1.1
|
||||
// SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT
|
||||
// SPDX-License-Identifier: GPL-1.0+ OR BSD-3-Clause OR OpenSSL
|
||||
|
||||
AND should be used if the file has multiple licenses whose terms all
|
||||
apply to use the file. For example, if code is inherited from another
|
||||
project and permission has been given to put it in the kernel, but the
|
||||
original license terms need to remain in effect::
|
||||
|
||||
// SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) AND MIT
|
||||
|
||||
Another other example where both sets of license terms need to be
|
||||
adhered to is::
|
||||
|
||||
// SPDX-License-Identifier: GPL-1.0+ AND LGPL-2.1+
|
||||
|
||||
License identifiers
|
||||
-------------------
|
||||
|
||||
The licenses currently used, as well as the licenses for code added to the
|
||||
kernel, can be broken down into:
|
||||
|
||||
1. _`Preferred licenses`:
|
||||
|
||||
Whenever possible these licenses should be used as they are known to be
|
||||
fully compatible and widely used. These licenses are available from the
|
||||
directory::
|
||||
|
||||
LICENSES/preferred/
|
||||
|
||||
in the kernel source tree.
|
||||
|
||||
The files in this directory contain the full license text and
|
||||
`Metatags`_. The file names are identical to the SPDX license
|
||||
identifier which shall be used for the license in source files.
|
||||
|
||||
Examples::
|
||||
|
||||
LICENSES/preferred/GPL-2.0
|
||||
|
||||
Contains the GPL version 2 license text and the required metatags::
|
||||
|
||||
LICENSES/preferred/MIT
|
||||
|
||||
Contains the MIT license text and the required metatags
|
||||
|
||||
_`Metatags`:
|
||||
|
||||
The following meta tags must be available in a license file:
|
||||
|
||||
- Valid-License-Identifier:
|
||||
|
||||
One or more lines which declare which License Identifiers are valid
|
||||
inside the project to reference this particular license text. Usually
|
||||
this is a single valid identifier, but e.g. for licenses with the 'or
|
||||
later' options two identifiers are valid.
|
||||
|
||||
- SPDX-URL:
|
||||
|
||||
The URL of the SPDX page which contains additional information related
|
||||
to the license.
|
||||
|
||||
- Usage-Guidance:
|
||||
|
||||
Freeform text for usage advice. The text must include correct examples
|
||||
for the SPDX license identifiers as they should be put into source
|
||||
files according to the `License identifier syntax`_ guidelines.
|
||||
|
||||
- License-Text:
|
||||
|
||||
All text after this tag is treated as the original license text
|
||||
|
||||
File format examples::
|
||||
|
||||
Valid-License-Identifier: GPL-2.0
|
||||
Valid-License-Identifier: GPL-2.0+
|
||||
SPDX-URL: https://spdx.org/licenses/GPL-2.0.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put one of the following SPDX
|
||||
tag/value pairs into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
For 'GNU General Public License (GPL) version 2 only' use:
|
||||
SPDX-License-Identifier: GPL-2.0
|
||||
For 'GNU General Public License (GPL) version 2 or any later version' use:
|
||||
SPDX-License-Identifier: GPL-2.0+
|
||||
License-Text:
|
||||
Full license text
|
||||
|
||||
::
|
||||
|
||||
SPDX-License-Identifier: MIT
|
||||
SPDX-URL: https://spdx.org/licenses/MIT.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put the following SPDX
|
||||
tag/value pair into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
SPDX-License-Identifier: MIT
|
||||
License-Text:
|
||||
Full license text
|
||||
|
||||
|
|
||||
|
||||
2. Not recommended licenses:
|
||||
|
||||
These licenses should only be used for existing code or for importing
|
||||
code from a different project. These licenses are available from the
|
||||
directory::
|
||||
|
||||
LICENSES/other/
|
||||
|
||||
in the kernel source tree.
|
||||
|
||||
The files in this directory contain the full license text and
|
||||
`Metatags`_. The file names are identical to the SPDX license
|
||||
identifier which shall be used for the license in source files.
|
||||
|
||||
Examples::
|
||||
|
||||
LICENSES/other/ISC
|
||||
|
||||
Contains the Internet Systems Consortium license text and the required
|
||||
metatags::
|
||||
|
||||
LICENSES/other/ZLib
|
||||
|
||||
Contains the ZLIB license text and the required metatags.
|
||||
|
||||
Metatags:
|
||||
|
||||
The metatag requirements for 'other' licenses are identical to the
|
||||
requirements of the `Preferred licenses`_.
|
||||
|
||||
File format example::
|
||||
|
||||
Valid-License-Identifier: ISC
|
||||
SPDX-URL: https://spdx.org/licenses/ISC.html
|
||||
Usage-Guide:
|
||||
Usage of this license in the kernel for new code is discouraged
|
||||
and it should solely be used for importing code from an already
|
||||
existing project.
|
||||
To use this license in source code, put the following SPDX
|
||||
tag/value pair into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
SPDX-License-Identifier: ISC
|
||||
License-Text:
|
||||
Full license text
|
||||
|
||||
|
|
||||
|
||||
3. _`Exceptions`:
|
||||
|
||||
Some licenses can be amended with exceptions which grant certain rights
|
||||
which the original license does not. These exceptions are available
|
||||
from the directory::
|
||||
|
||||
LICENSES/exceptions/
|
||||
|
||||
in the kernel source tree. The files in this directory contain the full
|
||||
exception text and the required `Exception Metatags`_.
|
||||
|
||||
Examples::
|
||||
|
||||
LICENSES/exceptions/Linux-syscall-note
|
||||
|
||||
Contains the Linux syscall exception as documented in the COPYING
|
||||
file of the Linux kernel, which is used for UAPI header files.
|
||||
e.g. /\* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note \*/::
|
||||
|
||||
LICENSES/exceptions/GCC-exception-2.0
|
||||
|
||||
Contains the GCC 'linking exception' which allows to link any binary
|
||||
independent of its license against the compiled version of a file marked
|
||||
with this exception. This is required for creating runnable executables
|
||||
from source code which is not compatible with the GPL.
|
||||
|
||||
_`Exception Metatags`:
|
||||
|
||||
The following meta tags must be available in an exception file:
|
||||
|
||||
- SPDX-Exception-Identifier:
|
||||
|
||||
One exception identifier which can be used with SPDX license
|
||||
identifiers.
|
||||
|
||||
- SPDX-URL:
|
||||
|
||||
The URL of the SPDX page which contains additional information related
|
||||
to the exception.
|
||||
|
||||
- SPDX-Licenses:
|
||||
|
||||
A comma separated list of SPDX license identifiers for which the
|
||||
exception can be used.
|
||||
|
||||
- Usage-Guidance:
|
||||
|
||||
Freeform text for usage advice. The text must be followed by correct
|
||||
examples for the SPDX license identifiers as they should be put into
|
||||
source files according to the `License identifier syntax`_ guidelines.
|
||||
|
||||
- Exception-Text:
|
||||
|
||||
All text after this tag is treated as the original exception text
|
||||
|
||||
File format examples::
|
||||
|
||||
SPDX-Exception-Identifier: Linux-syscall-note
|
||||
SPDX-URL: https://spdx.org/licenses/Linux-syscall-note.html
|
||||
SPDX-Licenses: GPL-2.0, GPL-2.0+, GPL-1.0+, LGPL-2.0, LGPL-2.0+, LGPL-2.1, LGPL-2.1+
|
||||
Usage-Guidance:
|
||||
This exception is used together with one of the above SPDX-Licenses
|
||||
to mark user-space API (uapi) header files so they can be included
|
||||
into non GPL compliant user-space application code.
|
||||
To use this exception add it with the keyword WITH to one of the
|
||||
identifiers in the SPDX-Licenses tag:
|
||||
SPDX-License-Identifier: <SPDX-License> WITH Linux-syscall-note
|
||||
Exception-Text:
|
||||
Full exception text
|
||||
|
||||
::
|
||||
|
||||
SPDX-Exception-Identifier: GCC-exception-2.0
|
||||
SPDX-URL: https://spdx.org/licenses/GCC-exception-2.0.html
|
||||
SPDX-Licenses: GPL-2.0, GPL-2.0+
|
||||
Usage-Guidance:
|
||||
The "GCC Runtime Library exception 2.0" is used together with one
|
||||
of the above SPDX-Licenses for code imported from the GCC runtime
|
||||
library.
|
||||
To use this exception add it with the keyword WITH to one of the
|
||||
identifiers in the SPDX-Licenses tag:
|
||||
SPDX-License-Identifier: <SPDX-License> WITH GCC-exception-2.0
|
||||
Exception-Text:
|
||||
Full exception text
|
||||
|
||||
|
||||
All SPDX license identifiers and exceptions must have a corresponding file
|
||||
in the LICENSE subdirectories. This is required to allow tool
|
||||
verification (e.g. checkpatch.pl) and to have the licenses ready to read
|
||||
and extract right from the source, which is recommended by various FOSS
|
||||
organizations, e.g. the `FSFE REUSE initiative <https://reuse.software/>`_.
|
||||
@ -37,7 +37,9 @@ and elsewhere regarding submitting Linux kernel patches.
|
||||
You should be able to justify all violations that remain in
|
||||
your patch.
|
||||
|
||||
6) Any new or modified ``CONFIG`` options don't muck up the config menu.
|
||||
6) Any new or modified ``CONFIG`` options do not muck up the config menu and
|
||||
default to off unless they meet the exception criteria documented in
|
||||
``Documentation/kbuild/kconfig-language.txt`` Menu attributes: default value.
|
||||
|
||||
7) All new ``Kconfig`` options have help text.
|
||||
|
||||
|
||||
@ -451,6 +451,13 @@ checks and hooks done. Both the current and the proposed sets of credentials
|
||||
are available for this purpose as current_cred() will return the current set
|
||||
still at this point.
|
||||
|
||||
When replacing the group list, the new list must be sorted before it
|
||||
is added to the credential, as a binary search is used to test for
|
||||
membership. In practice, this means :c:func:`groups_sort` should be
|
||||
called before :c:func:`set_groups` or :c:func:`set_current_groups`.
|
||||
:c:func:`groups_sort)` must not be called on a ``struct group_list`` which
|
||||
is shared as it may permute elements as part of the sorting process
|
||||
even if the array is already sorted.
|
||||
|
||||
When the credential set is ready, it should be committed to the current process
|
||||
by calling::
|
||||
|
||||
@ -270,6 +270,21 @@ attacks, it is important to defend against exposure of both kernel memory
|
||||
addresses and kernel memory contents (since they may contain kernel
|
||||
addresses or other sensitive things like canary values).
|
||||
|
||||
Kernel addresses
|
||||
----------------
|
||||
|
||||
Printing kernel addresses to userspace leaks sensitive information about
|
||||
the kernel memory layout. Care should be exercised when using any printk
|
||||
specifier that prints the raw address, currently %px, %p[ad], (and %p[sSb]
|
||||
in certain circumstances [*]). Any file written to using one of these
|
||||
specifiers should be readable only by privileged processes.
|
||||
|
||||
Kernels 4.14 and older printed the raw address using %p. As of 4.15-rc1
|
||||
addresses printed with the specifier %p are hashed before printing.
|
||||
|
||||
[*] If KALLSYMS is enabled and symbol lookup fails, the raw address is
|
||||
printed. If KALLSYMS is not enabled the raw address is printed.
|
||||
|
||||
Unique identifiers
|
||||
------------------
|
||||
|
||||
|
||||
@ -81,7 +81,7 @@ __version__ = '1.0.0'
|
||||
# -------------
|
||||
|
||||
def which(cmd):
|
||||
"""Searches the ``cmd`` in the ``PATH`` enviroment.
|
||||
"""Searches the ``cmd`` in the ``PATH`` environment.
|
||||
|
||||
This *which* searches the PATH for executable ``cmd`` . First match is
|
||||
returned, if nothing is found, ``None` is returned.
|
||||
@ -419,7 +419,7 @@ def visit_kernel_render(self, node):
|
||||
|
||||
tmp_ext = RENDER_MARKUP_EXT.get(srclang, None)
|
||||
if tmp_ext is None:
|
||||
app.warn('kernel-render: "%s" unknow / include raw.' % (srclang))
|
||||
app.warn('kernel-render: "%s" unknown / include raw.' % (srclang))
|
||||
return
|
||||
|
||||
if not dot_cmd and tmp_ext == '.dot':
|
||||
@ -482,7 +482,7 @@ class KernelRender(Figure):
|
||||
srclang = self.arguments[0].strip()
|
||||
if srclang not in RENDER_MARKUP_EXT.keys():
|
||||
return [self.state_machine.reporter.warning(
|
||||
'Unknow source language "%s", use one of: %s.' % (
|
||||
'Unknown source language "%s", use one of: %s.' % (
|
||||
srclang, ",".join(RENDER_MARKUP_EXT.keys())),
|
||||
line=self.lineno)]
|
||||
|
||||
|
||||
@ -34,6 +34,7 @@ show up in /proc/sys/kernel:
|
||||
- hostname
|
||||
- hotplug
|
||||
- hardlockup_all_cpu_backtrace
|
||||
- hardlockup_panic
|
||||
- hung_task_panic
|
||||
- hung_task_check_count
|
||||
- hung_task_timeout_secs
|
||||
@ -313,6 +314,19 @@ will be initiated.
|
||||
1: on detection capture more debug information.
|
||||
==============================================================
|
||||
|
||||
hardlockup_panic:
|
||||
|
||||
This parameter can be used to control whether the kernel panics
|
||||
when a hard lockup is detected.
|
||||
|
||||
0 - don't panic on hard lockup
|
||||
1 - panic on hard lockup
|
||||
|
||||
See Documentation/lockup-watchdogs.txt for more information. This can
|
||||
also be set using the nmi_watchdog kernel parameter.
|
||||
|
||||
==============================================================
|
||||
|
||||
hotplug:
|
||||
|
||||
Path for the hotplug policy agent.
|
||||
@ -377,7 +391,8 @@ kptr_restrict:
|
||||
This toggle indicates whether restrictions are placed on
|
||||
exposing kernel addresses via /proc and other interfaces.
|
||||
|
||||
When kptr_restrict is set to (0), the default, there are no restrictions.
|
||||
When kptr_restrict is set to 0 (the default) the address is hashed before
|
||||
printing. (This is the equivalent to %p.)
|
||||
|
||||
When kptr_restrict is set to (1), kernel pointers printed using the %pK
|
||||
format specifier will be replaced with 0's unless the user has CAP_SYSLOG
|
||||
|
||||
@ -42,9 +42,9 @@ as well as what protections the callback will perform and not require
|
||||
ftrace to handle.
|
||||
|
||||
There is only one field that is needed to be set when registering
|
||||
an ftrace_ops with ftrace::
|
||||
an ftrace_ops with ftrace:
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
struct ftrace_ops ops = {
|
||||
.func = my_callback_func,
|
||||
@ -81,12 +81,12 @@ may take some time to finish.
|
||||
The callback function
|
||||
=====================
|
||||
|
||||
The prototype of the callback function is as follows (as of v4.14)::
|
||||
The prototype of the callback function is as follows (as of v4.14):
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
void callback_func(unsigned long ip, unsigned long parent_ip,
|
||||
struct ftrace_ops *op, struct pt_regs *regs);
|
||||
void callback_func(unsigned long ip, unsigned long parent_ip,
|
||||
struct ftrace_ops *op, struct pt_regs *regs);
|
||||
|
||||
@ip
|
||||
This is the instruction pointer of the function that is being traced.
|
||||
@ -176,10 +176,10 @@ Filtering which functions to trace
|
||||
If a callback is only to be called from specific functions, a filter must be
|
||||
set up. The filters are added by name, or ip if it is known.
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
int ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf,
|
||||
int len, int reset);
|
||||
int ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf,
|
||||
int len, int reset);
|
||||
|
||||
@ops
|
||||
The ops to set the filter with
|
||||
@ -202,9 +202,9 @@ See Filter Commands in :file:`Documentation/trace/ftrace.txt`.
|
||||
|
||||
To just trace the schedule function::
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ret = ftrace_set_filter(&ops, "schedule", strlen("schedule"), 0);
|
||||
ret = ftrace_set_filter(&ops, "schedule", strlen("schedule"), 0);
|
||||
|
||||
To add more functions, call the ftrace_set_filter() more than once with the
|
||||
@reset parameter set to zero. To remove the current filter set and replace it
|
||||
@ -212,17 +212,17 @@ with new functions defined by @buf, have @reset be non-zero.
|
||||
|
||||
To remove all the filtered functions and trace all functions::
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ret = ftrace_set_filter(&ops, NULL, 0, 1);
|
||||
ret = ftrace_set_filter(&ops, NULL, 0, 1);
|
||||
|
||||
|
||||
Sometimes more than one function has the same name. To trace just a specific
|
||||
function in this case, ftrace_set_filter_ip() can be used.
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ret = ftrace_set_filter_ip(&ops, ip, 0, 0);
|
||||
ret = ftrace_set_filter_ip(&ops, ip, 0, 0);
|
||||
|
||||
Although the ip must be the address where the call to fentry or mcount is
|
||||
located in the function. This function is used by perf and kprobes that
|
||||
@ -237,10 +237,10 @@ be called by any function.
|
||||
An empty "notrace" list means to allow all functions defined by the filter
|
||||
to be traced.
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
int ftrace_set_notrace(struct ftrace_ops *ops, unsigned char *buf,
|
||||
int len, int reset);
|
||||
int ftrace_set_notrace(struct ftrace_ops *ops, unsigned char *buf,
|
||||
int len, int reset);
|
||||
|
||||
This takes the same parameters as ftrace_set_filter() but will add the
|
||||
functions it finds to not be traced. This is a separate list from the
|
||||
@ -251,7 +251,7 @@ that match @buf to it.
|
||||
|
||||
Clearing the "notrace" list is the same as clearing the filter list
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ret = ftrace_set_notrace(&ops, NULL, 0, 1);
|
||||
|
||||
@ -264,29 +264,29 @@ If a filter is in place, and the @reset is non-zero, and @buf contains a
|
||||
matching glob to functions, the switch will happen during the time of
|
||||
the ftrace_set_filter() call. At no time will all functions call the callback.
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ftrace_set_filter(&ops, "schedule", strlen("schedule"), 1);
|
||||
ftrace_set_filter(&ops, "schedule", strlen("schedule"), 1);
|
||||
|
||||
register_ftrace_function(&ops);
|
||||
register_ftrace_function(&ops);
|
||||
|
||||
msleep(10);
|
||||
msleep(10);
|
||||
|
||||
ftrace_set_filter(&ops, "try_to_wake_up", strlen("try_to_wake_up"), 1);
|
||||
ftrace_set_filter(&ops, "try_to_wake_up", strlen("try_to_wake_up"), 1);
|
||||
|
||||
is not the same as:
|
||||
|
||||
.. code-block: c
|
||||
.. code-block:: c
|
||||
|
||||
ftrace_set_filter(&ops, "schedule", strlen("schedule"), 1);
|
||||
ftrace_set_filter(&ops, "schedule", strlen("schedule"), 1);
|
||||
|
||||
register_ftrace_function(&ops);
|
||||
register_ftrace_function(&ops);
|
||||
|
||||
msleep(10);
|
||||
msleep(10);
|
||||
|
||||
ftrace_set_filter(&ops, NULL, 0, 1);
|
||||
ftrace_set_filter(&ops, NULL, 0, 1);
|
||||
|
||||
ftrace_set_filter(&ops, "try_to_wake_up", strlen("try_to_wake_up"), 0);
|
||||
ftrace_set_filter(&ops, "try_to_wake_up", strlen("try_to_wake_up"), 0);
|
||||
|
||||
As the latter will have a short time where all functions will call
|
||||
the callback, between the time of the reset, and the time of the
|
||||
|
||||
@ -23,13 +23,13 @@ cat /sys/kernel/debug/ci_hdrc.0/registers
|
||||
2) Connect 2 boards with usb cable with one end is micro A plug, the other end
|
||||
is micro B plug.
|
||||
|
||||
The A-device(with micro A plug inserted) should enumrate B-device.
|
||||
The A-device(with micro A plug inserted) should enumerate B-device.
|
||||
|
||||
3) Role switch
|
||||
On B-device:
|
||||
echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req
|
||||
|
||||
B-device should take host role and enumrate A-device.
|
||||
B-device should take host role and enumerate A-device.
|
||||
|
||||
4) A-device switch back to host.
|
||||
On B-device:
|
||||
@ -40,13 +40,13 @@ cat /sys/kernel/debug/ci_hdrc.0/registers
|
||||
side by answering the polling from B-Host, this can be done on A-device:
|
||||
echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req
|
||||
|
||||
A-device should switch back to host and enumrate B-device.
|
||||
A-device should switch back to host and enumerate B-device.
|
||||
|
||||
5) Remove B-device(unplug micro B plug) and insert again in 10 seconds,
|
||||
A-device should enumrate B-device again.
|
||||
A-device should enumerate B-device again.
|
||||
|
||||
6) Remove B-device(unplug micro B plug) and insert again after 10 seconds,
|
||||
A-device should NOT enumrate B-device.
|
||||
A-device should NOT enumerate B-device.
|
||||
|
||||
if A-device wants to use bus:
|
||||
On A-device:
|
||||
@ -67,7 +67,7 @@ cat /sys/kernel/debug/ci_hdrc.0/registers
|
||||
On B-device:
|
||||
echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req
|
||||
|
||||
A-device should resume usb bus and enumrate B-device.
|
||||
A-device should resume usb bus and enumerate B-device.
|
||||
|
||||
1.3 Reference document
|
||||
----------------------
|
||||
|
||||
@ -104,7 +104,7 @@ madvise(MADV_HWPOISON, ....)
|
||||
|
||||
hwpoison-inject module through debugfs
|
||||
|
||||
/sys/debug/hwpoison/
|
||||
/sys/kernel/debug/hwpoison/
|
||||
|
||||
corrupt-pfn
|
||||
|
||||
|
||||
@ -76,7 +76,7 @@ See struct w1_bus_master definition in w1.h for details.
|
||||
|
||||
w1 master sysfs interface
|
||||
------------------------------------------------------------------
|
||||
<xx-xxxxxxxxxxxxx> - A directory for a found device. The format is family-serial
|
||||
<xx-xxxxxxxxxxxx> - A directory for a found device. The format is family-serial
|
||||
bus - (standard) symlink to the w1 bus
|
||||
driver - (standard) symlink to the w1 driver
|
||||
w1_master_add - (rw) manually register a slave device
|
||||
|
||||
25
LICENSES/exceptions/Linux-syscall-note
Normal file
25
LICENSES/exceptions/Linux-syscall-note
Normal file
@ -0,0 +1,25 @@
|
||||
SPDX-Exception-Identifier: Linux-syscall-note
|
||||
SPDX-URL: https://spdx.org/licenses/Linux-syscall-note.html
|
||||
SPDX-Licenses: GPL-2.0, GPL-2.0+, GPL-1.0+, LGPL-2.0, LGPL-2.0+, LGPL-2.1, LGPL-2.1+
|
||||
Usage-Guide:
|
||||
This exception is used together with one of the above SPDX-Licenses
|
||||
to mark user space API (uapi) header files so they can be included
|
||||
into non GPL compliant user space application code.
|
||||
To use this exception add it with the keyword WITH to one of the
|
||||
identifiers in the SPDX-Licenses tag:
|
||||
SPDX-License-Identifier: <SPDX-License> WITH Linux-syscall-note
|
||||
License-Text:
|
||||
|
||||
NOTE! This copyright does *not* cover user programs that use kernel
|
||||
services by normal system calls - this is merely considered normal use
|
||||
of the kernel, and does *not* fall under the heading of "derived work".
|
||||
Also note that the GPL below is copyrighted by the Free Software
|
||||
Foundation, but the instance of code that it refers to (the Linux
|
||||
kernel) is copyrighted by me and others who actually wrote it.
|
||||
|
||||
Also note that the only valid version of the GPL as far as the kernel
|
||||
is concerned is _this_ particular version of the license (ie v2, not
|
||||
v2.2 or v3.x or whatever), unless explicitly otherwise stated.
|
||||
|
||||
Linus Torvalds
|
||||
|
||||
260
LICENSES/other/GPL-1.0
Normal file
260
LICENSES/other/GPL-1.0
Normal file
@ -0,0 +1,260 @@
|
||||
Valid-License-Identifier: GPL-1.0+
|
||||
SPDX-URL: https://spdx.org/licenses/GPL-1.0.html
|
||||
Usage-Guide:
|
||||
The GNU General Public License (GPL) version 1 should not be used in new
|
||||
code. For existing kernel code the 'or any later version' option is
|
||||
required to be compatible with the general license of the project: GPLv2.
|
||||
To use the license in source code, put the following SPDX tag/value pair
|
||||
into a comment according to the placement guidelines in the licensing
|
||||
rules documentation:
|
||||
SPDX-License-Identifier: GPL-1.0+
|
||||
License-Text:
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 1, February 1989
|
||||
|
||||
Copyright (C) 1989 Free Software Foundation, Inc.
|
||||
675 Mass Ave, Cambridge, MA 02139, USA
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The license agreements of most software companies try to keep users
|
||||
at the mercy of those companies. By contrast, our General Public
|
||||
License is intended to guarantee your freedom to share and change free
|
||||
software--to make sure the software is free for all its users. The
|
||||
General Public License applies to the Free Software Foundation's
|
||||
software and to any other program whose authors commit to using it.
|
||||
You can use it for your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Specifically, the General Public License is designed to make
|
||||
sure that you have the freedom to give away or sell copies of free
|
||||
software, that you receive source code or can get it if you want it,
|
||||
that you can change the software or use pieces of it in new free
|
||||
programs; and that you know you can do these things.
|
||||
|
||||
To protect your rights, we need to make restrictions that forbid
|
||||
anyone to deny you these rights or to ask you to surrender the rights.
|
||||
These restrictions translate to certain responsibilities for you if you
|
||||
distribute copies of the software, or if you modify it.
|
||||
|
||||
For example, if you distribute copies of a such a program, whether
|
||||
gratis or for a fee, you must give the recipients all the rights that
|
||||
you have. You must make sure that they, too, receive or can get the
|
||||
source code. And you must tell them their rights.
|
||||
|
||||
We protect your rights with two steps: (1) copyright the software, and
|
||||
(2) offer you this license which gives you legal permission to copy,
|
||||
distribute and/or modify the software.
|
||||
|
||||
Also, for each author's protection and ours, we want to make certain
|
||||
that everyone understands that there is no warranty for this free
|
||||
software. If the software is modified by someone else and passed on, we
|
||||
want its recipients to know that what they have is not the original, so
|
||||
that any problems introduced by others will not reflect on the original
|
||||
authors' reputations.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License Agreement applies to any program or other work which
|
||||
contains a notice placed by the copyright holder saying it may be
|
||||
distributed under the terms of this General Public License. The
|
||||
"Program", below, refers to any such program or work, and a "work based
|
||||
on the Program" means either the Program or any work containing the
|
||||
Program or a portion of it, either verbatim or with modifications. Each
|
||||
licensee is addressed as "you".
|
||||
|
||||
1. You may copy and distribute verbatim copies of the Program's source
|
||||
code as you receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice and
|
||||
disclaimer of warranty; keep intact all the notices that refer to this
|
||||
General Public License and to the absence of any warranty; and give any
|
||||
other recipients of the Program a copy of this General Public License
|
||||
along with the Program. You may charge a fee for the physical act of
|
||||
transferring a copy.
|
||||
|
||||
2. You may modify your copy or copies of the Program or any portion of
|
||||
it, and copy and distribute such modifications under the terms of Paragraph
|
||||
1 above, provided that you also do the following:
|
||||
|
||||
a) cause the modified files to carry prominent notices stating that
|
||||
you changed the files and the date of any change; and
|
||||
|
||||
b) cause the whole of any work that you distribute or publish, that
|
||||
in whole or in part contains the Program or any part thereof, either
|
||||
with or without modifications, to be licensed at no charge to all
|
||||
third parties under the terms of this General Public License (except
|
||||
that you may choose to grant warranty protection to some or all
|
||||
third parties, at your option).
|
||||
|
||||
c) If the modified program normally reads commands interactively when
|
||||
run, you must cause it, when started running for such interactive use
|
||||
in the simplest and most usual way, to print or display an
|
||||
announcement including an appropriate copyright notice and a notice
|
||||
that there is no warranty (or else, saying that you provide a
|
||||
warranty) and that users may redistribute the program under these
|
||||
conditions, and telling the user how to view a copy of this General
|
||||
Public License.
|
||||
|
||||
d) You may charge a fee for the physical act of transferring a
|
||||
copy, and you may at your option offer warranty protection in
|
||||
exchange for a fee.
|
||||
|
||||
Mere aggregation of another independent work with the Program (or its
|
||||
derivative) on a volume of a storage or distribution medium does not bring
|
||||
the other work under the scope of these terms.
|
||||
|
||||
3. You may copy and distribute the Program (or a portion or derivative of
|
||||
it, under Paragraph 2) in object code or executable form under the terms of
|
||||
Paragraphs 1 and 2 above provided that you also do one of the following:
|
||||
|
||||
a) accompany it with the complete corresponding machine-readable
|
||||
source code, which must be distributed under the terms of
|
||||
Paragraphs 1 and 2 above; or,
|
||||
|
||||
b) accompany it with a written offer, valid for at least three
|
||||
years, to give any third party free (except for a nominal charge
|
||||
for the cost of distribution) a complete machine-readable copy of the
|
||||
corresponding source code, to be distributed under the terms of
|
||||
Paragraphs 1 and 2 above; or,
|
||||
|
||||
c) accompany it with the information you received as to where the
|
||||
corresponding source code may be obtained. (This alternative is
|
||||
allowed only for noncommercial distribution and only if you
|
||||
received the program in object code or executable form alone.)
|
||||
|
||||
Source code for a work means the preferred form of the work for making
|
||||
modifications to it. For an executable file, complete source code means
|
||||
all the source code for all modules it contains; but, as a special
|
||||
exception, it need not include source code for modules which are standard
|
||||
libraries that accompany the operating system on which the executable
|
||||
file runs, or for standard header files or definitions files that
|
||||
accompany that operating system.
|
||||
|
||||
4. You may not copy, modify, sublicense, distribute or transfer the
|
||||
Program except as expressly provided under this General Public License.
|
||||
Any attempt otherwise to copy, modify, sublicense, distribute or transfer
|
||||
the Program is void, and will automatically terminate your rights to use
|
||||
the Program under this License. However, parties who have received
|
||||
copies, or rights to use copies, from you under this General Public
|
||||
License will not have their licenses terminated so long as such parties
|
||||
remain in full compliance.
|
||||
|
||||
5. By copying, distributing or modifying the Program (or any work based
|
||||
on the Program) you indicate your acceptance of this license to do so,
|
||||
and all its terms and conditions.
|
||||
|
||||
6. Each time you redistribute the Program (or any work based on the
|
||||
Program), the recipient automatically receives a license from the original
|
||||
licensor to copy, distribute or modify the Program subject to these
|
||||
terms and conditions. You may not impose any further restrictions on the
|
||||
recipients' exercise of the rights granted herein.
|
||||
|
||||
7. The Free Software Foundation may publish revised and/or new versions
|
||||
of the General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the Program
|
||||
specifies a version number of the license which applies to it and "any
|
||||
later version", you have the option of following the terms and conditions
|
||||
either of that version or of any later version published by the Free
|
||||
Software Foundation. If the Program does not specify a version number of
|
||||
the license, you may choose any version ever published by the Free Software
|
||||
Foundation.
|
||||
|
||||
8. If you wish to incorporate parts of the Program into other free
|
||||
programs whose distribution conditions are different, write to the author
|
||||
to ask for permission. For software which is copyrighted by the Free
|
||||
Software Foundation, write to the Free Software Foundation; we sometimes
|
||||
make exceptions for this. Our decision will be guided by the two goals
|
||||
of preserving the free status of all derivatives of our free software and
|
||||
of promoting the sharing and reuse of software generally.
|
||||
|
||||
NO WARRANTY
|
||||
|
||||
9. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
|
||||
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
|
||||
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
|
||||
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
|
||||
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
|
||||
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
|
||||
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
|
||||
REPAIR OR CORRECTION.
|
||||
|
||||
10. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
|
||||
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
|
||||
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
|
||||
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
|
||||
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
|
||||
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
|
||||
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
Appendix: How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to humanity, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these
|
||||
terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest to
|
||||
attach them to the start of each source file to most effectively convey
|
||||
the exclusion of warranty; and each file should have at least the
|
||||
"copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) 19yy <name of author>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 1, or (at your option)
|
||||
any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program is interactive, make it output a short notice like this
|
||||
when it starts in an interactive mode:
|
||||
|
||||
Gnomovision version 69, Copyright (C) 19xx name of author
|
||||
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the
|
||||
appropriate parts of the General Public License. Of course, the
|
||||
commands you use may be called something other than `show w' and `show
|
||||
c'; they could even be mouse-clicks or menu items--whatever suits your
|
||||
program.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||
necessary. Here a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the
|
||||
program `Gnomovision' (a program to direct compilers to make passes
|
||||
at assemblers) written by James Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1989
|
||||
Ty Coon, President of Vice
|
||||
|
||||
That's all there is to it!
|
||||
478
LICENSES/other/MPL-1.1
Normal file
478
LICENSES/other/MPL-1.1
Normal file
@ -0,0 +1,478 @@
|
||||
Valid-License-Identifier: MPL-1.1
|
||||
SPDX-URL: https://spdx.org/licenses/MPL-1.1.html
|
||||
Usage-Guide:
|
||||
To use the Mozilla Public License version 1.1 put the following SPDX
|
||||
tag/value pair into a comment according to the placement guidelines in
|
||||
the licensing rules documentation:
|
||||
SPDX-License-Identifier: MPL-1.1
|
||||
License-Text:
|
||||
|
||||
MOZILLA PUBLIC LICENSE
|
||||
Version 1.1
|
||||
|
||||
---------------
|
||||
|
||||
1. Definitions.
|
||||
|
||||
1.0.1. "Commercial Use" means distribution or otherwise making the
|
||||
Covered Code available to a third party.
|
||||
|
||||
1.1. "Contributor" means each entity that creates or contributes to
|
||||
the creation of Modifications.
|
||||
|
||||
1.2. "Contributor Version" means the combination of the Original
|
||||
Code, prior Modifications used by a Contributor, and the Modifications
|
||||
made by that particular Contributor.
|
||||
|
||||
1.3. "Covered Code" means the Original Code or Modifications or the
|
||||
combination of the Original Code and Modifications, in each case
|
||||
including portions thereof.
|
||||
|
||||
1.4. "Electronic Distribution Mechanism" means a mechanism generally
|
||||
accepted in the software development community for the electronic
|
||||
transfer of data.
|
||||
|
||||
1.5. "Executable" means Covered Code in any form other than Source
|
||||
Code.
|
||||
|
||||
1.6. "Initial Developer" means the individual or entity identified
|
||||
as the Initial Developer in the Source Code notice required by Exhibit
|
||||
A.
|
||||
|
||||
1.7. "Larger Work" means a work which combines Covered Code or
|
||||
portions thereof with code not governed by the terms of this License.
|
||||
|
||||
1.8. "License" means this document.
|
||||
|
||||
1.8.1. "Licensable" means having the right to grant, to the maximum
|
||||
extent possible, whether at the time of the initial grant or
|
||||
subsequently acquired, any and all of the rights conveyed herein.
|
||||
|
||||
1.9. "Modifications" means any addition to or deletion from the
|
||||
substance or structure of either the Original Code or any previous
|
||||
Modifications. When Covered Code is released as a series of files, a
|
||||
Modification is:
|
||||
A. Any addition to or deletion from the contents of a file
|
||||
containing Original Code or previous Modifications.
|
||||
|
||||
B. Any new file that contains any part of the Original Code or
|
||||
previous Modifications.
|
||||
|
||||
1.10. "Original Code" means Source Code of computer software code
|
||||
which is described in the Source Code notice required by Exhibit A as
|
||||
Original Code, and which, at the time of its release under this
|
||||
License is not already Covered Code governed by this License.
|
||||
|
||||
1.10.1. "Patent Claims" means any patent claim(s), now owned or
|
||||
hereafter acquired, including without limitation, method, process,
|
||||
and apparatus claims, in any patent Licensable by grantor.
|
||||
|
||||
1.11. "Source Code" means the preferred form of the Covered Code for
|
||||
making modifications to it, including all modules it contains, plus
|
||||
any associated interface definition files, scripts used to control
|
||||
compilation and installation of an Executable, or source code
|
||||
differential comparisons against either the Original Code or another
|
||||
well known, available Covered Code of the Contributor's choice. The
|
||||
Source Code can be in a compressed or archival form, provided the
|
||||
appropriate decompression or de-archiving software is widely available
|
||||
for no charge.
|
||||
|
||||
1.12. "You" (or "Your") means an individual or a legal entity
|
||||
exercising rights under, and complying with all of the terms of, this
|
||||
License or a future version of this License issued under Section 6.1.
|
||||
For legal entities, "You" includes any entity which controls, is
|
||||
controlled by, or is under common control with You. For purposes of
|
||||
this definition, "control" means (a) the power, direct or indirect,
|
||||
to cause the direction or management of such entity, whether by
|
||||
contract or otherwise, or (b) ownership of more than fifty percent
|
||||
(50%) of the outstanding shares or beneficial ownership of such
|
||||
entity.
|
||||
|
||||
2. Source Code License.
|
||||
|
||||
2.1. The Initial Developer Grant.
|
||||
The Initial Developer hereby grants You a world-wide, royalty-free,
|
||||
non-exclusive license, subject to third party intellectual property
|
||||
claims:
|
||||
(a) under intellectual property rights (other than patent or
|
||||
trademark) Licensable by Initial Developer to use, reproduce,
|
||||
modify, display, perform, sublicense and distribute the Original
|
||||
Code (or portions thereof) with or without Modifications, and/or
|
||||
as part of a Larger Work; and
|
||||
|
||||
(b) under Patents Claims infringed by the making, using or
|
||||
selling of Original Code, to make, have made, use, practice,
|
||||
sell, and offer for sale, and/or otherwise dispose of the
|
||||
Original Code (or portions thereof).
|
||||
|
||||
(c) the licenses granted in this Section 2.1(a) and (b) are
|
||||
effective on the date Initial Developer first distributes
|
||||
Original Code under the terms of this License.
|
||||
|
||||
(d) Notwithstanding Section 2.1(b) above, no patent license is
|
||||
granted: 1) for code that You delete from the Original Code; 2)
|
||||
separate from the Original Code; or 3) for infringements caused
|
||||
by: i) the modification of the Original Code or ii) the
|
||||
combination of the Original Code with other software or devices.
|
||||
|
||||
2.2. Contributor Grant.
|
||||
Subject to third party intellectual property claims, each Contributor
|
||||
hereby grants You a world-wide, royalty-free, non-exclusive license
|
||||
|
||||
(a) under intellectual property rights (other than patent or
|
||||
trademark) Licensable by Contributor, to use, reproduce, modify,
|
||||
display, perform, sublicense and distribute the Modifications
|
||||
created by such Contributor (or portions thereof) either on an
|
||||
unmodified basis, with other Modifications, as Covered Code
|
||||
and/or as part of a Larger Work; and
|
||||
|
||||
(b) under Patent Claims infringed by the making, using, or
|
||||
selling of Modifications made by that Contributor either alone
|
||||
and/or in combination with its Contributor Version (or portions
|
||||
of such combination), to make, use, sell, offer for sale, have
|
||||
made, and/or otherwise dispose of: 1) Modifications made by that
|
||||
Contributor (or portions thereof); and 2) the combination of
|
||||
Modifications made by that Contributor with its Contributor
|
||||
Version (or portions of such combination).
|
||||
|
||||
(c) the licenses granted in Sections 2.2(a) and 2.2(b) are
|
||||
effective on the date Contributor first makes Commercial Use of
|
||||
the Covered Code.
|
||||
|
||||
(d) Notwithstanding Section 2.2(b) above, no patent license is
|
||||
granted: 1) for any code that Contributor has deleted from the
|
||||
Contributor Version; 2) separate from the Contributor Version;
|
||||
3) for infringements caused by: i) third party modifications of
|
||||
Contributor Version or ii) the combination of Modifications made
|
||||
by that Contributor with other software (except as part of the
|
||||
Contributor Version) or other devices; or 4) under Patent Claims
|
||||
infringed by Covered Code in the absence of Modifications made by
|
||||
that Contributor.
|
||||
|
||||
3. Distribution Obligations.
|
||||
|
||||
3.1. Application of License.
|
||||
The Modifications which You create or to which You contribute are
|
||||
governed by the terms of this License, including without limitation
|
||||
Section 2.2. The Source Code version of Covered Code may be
|
||||
distributed only under the terms of this License or a future version
|
||||
of this License released under Section 6.1, and You must include a
|
||||
copy of this License with every copy of the Source Code You
|
||||
distribute. You may not offer or impose any terms on any Source Code
|
||||
version that alters or restricts the applicable version of this
|
||||
License or the recipients' rights hereunder. However, You may include
|
||||
an additional document offering the additional rights described in
|
||||
Section 3.5.
|
||||
|
||||
3.2. Availability of Source Code.
|
||||
Any Modification which You create or to which You contribute must be
|
||||
made available in Source Code form under the terms of this License
|
||||
either on the same media as an Executable version or via an accepted
|
||||
Electronic Distribution Mechanism to anyone to whom you made an
|
||||
Executable version available; and if made available via Electronic
|
||||
Distribution Mechanism, must remain available for at least twelve (12)
|
||||
months after the date it initially became available, or at least six
|
||||
(6) months after a subsequent version of that particular Modification
|
||||
has been made available to such recipients. You are responsible for
|
||||
ensuring that the Source Code version remains available even if the
|
||||
Electronic Distribution Mechanism is maintained by a third party.
|
||||
|
||||
3.3. Description of Modifications.
|
||||
You must cause all Covered Code to which You contribute to contain a
|
||||
file documenting the changes You made to create that Covered Code and
|
||||
the date of any change. You must include a prominent statement that
|
||||
the Modification is derived, directly or indirectly, from Original
|
||||
Code provided by the Initial Developer and including the name of the
|
||||
Initial Developer in (a) the Source Code, and (b) in any notice in an
|
||||
Executable version or related documentation in which You describe the
|
||||
origin or ownership of the Covered Code.
|
||||
|
||||
3.4. Intellectual Property Matters
|
||||
(a) Third Party Claims.
|
||||
If Contributor has knowledge that a license under a third party's
|
||||
intellectual property rights is required to exercise the rights
|
||||
granted by such Contributor under Sections 2.1 or 2.2,
|
||||
Contributor must include a text file with the Source Code
|
||||
distribution titled "LEGAL" which describes the claim and the
|
||||
party making the claim in sufficient detail that a recipient will
|
||||
know whom to contact. If Contributor obtains such knowledge after
|
||||
the Modification is made available as described in Section 3.2,
|
||||
Contributor shall promptly modify the LEGAL file in all copies
|
||||
Contributor makes available thereafter and shall take other steps
|
||||
(such as notifying appropriate mailing lists or newsgroups)
|
||||
reasonably calculated to inform those who received the Covered
|
||||
Code that new knowledge has been obtained.
|
||||
|
||||
(b) Contributor APIs.
|
||||
If Contributor's Modifications include an application programming
|
||||
interface and Contributor has knowledge of patent licenses which
|
||||
are reasonably necessary to implement that API, Contributor must
|
||||
also include this information in the LEGAL file.
|
||||
|
||||
(c) Representations.
|
||||
Contributor represents that, except as disclosed pursuant to
|
||||
Section 3.4(a) above, Contributor believes that Contributor's
|
||||
Modifications are Contributor's original creation(s) and/or
|
||||
Contributor has sufficient rights to grant the rights conveyed by
|
||||
this License.
|
||||
|
||||
3.5. Required Notices.
|
||||
You must duplicate the notice in Exhibit A in each file of the Source
|
||||
Code. If it is not possible to put such notice in a particular Source
|
||||
Code file due to its structure, then You must include such notice in a
|
||||
location (such as a relevant directory) where a user would be likely
|
||||
to look for such a notice. If You created one or more Modification(s)
|
||||
You may add your name as a Contributor to the notice described in
|
||||
Exhibit A. You must also duplicate this License in any documentation
|
||||
for the Source Code where You describe recipients' rights or ownership
|
||||
rights relating to Covered Code. You may choose to offer, and to
|
||||
charge a fee for, warranty, support, indemnity or liability
|
||||
obligations to one or more recipients of Covered Code. However, You
|
||||
may do so only on Your own behalf, and not on behalf of the Initial
|
||||
Developer or any Contributor. You must make it absolutely clear than
|
||||
any such warranty, support, indemnity or liability obligation is
|
||||
offered by You alone, and You hereby agree to indemnify the Initial
|
||||
Developer and every Contributor for any liability incurred by the
|
||||
Initial Developer or such Contributor as a result of warranty,
|
||||
support, indemnity or liability terms You offer.
|
||||
|
||||
3.6. Distribution of Executable Versions.
|
||||
You may distribute Covered Code in Executable form only if the
|
||||
requirements of Section 3.1-3.5 have been met for that Covered Code,
|
||||
and if You include a notice stating that the Source Code version of
|
||||
the Covered Code is available under the terms of this License,
|
||||
including a description of how and where You have fulfilled the
|
||||
obligations of Section 3.2. The notice must be conspicuously included
|
||||
in any notice in an Executable version, related documentation or
|
||||
collateral in which You describe recipients' rights relating to the
|
||||
Covered Code. You may distribute the Executable version of Covered
|
||||
Code or ownership rights under a license of Your choice, which may
|
||||
contain terms different from this License, provided that You are in
|
||||
compliance with the terms of this License and that the license for the
|
||||
Executable version does not attempt to limit or alter the recipient's
|
||||
rights in the Source Code version from the rights set forth in this
|
||||
License. If You distribute the Executable version under a different
|
||||
license You must make it absolutely clear that any terms which differ
|
||||
from this License are offered by You alone, not by the Initial
|
||||
Developer or any Contributor. You hereby agree to indemnify the
|
||||
Initial Developer and every Contributor for any liability incurred by
|
||||
the Initial Developer or such Contributor as a result of any such
|
||||
terms You offer.
|
||||
|
||||
3.7. Larger Works.
|
||||
You may create a Larger Work by combining Covered Code with other code
|
||||
not governed by the terms of this License and distribute the Larger
|
||||
Work as a single product. In such a case, You must make sure the
|
||||
requirements of this License are fulfilled for the Covered Code.
|
||||
|
||||
4. Inability to Comply Due to Statute or Regulation.
|
||||
|
||||
If it is impossible for You to comply with any of the terms of this
|
||||
License with respect to some or all of the Covered Code due to
|
||||
statute, judicial order, or regulation then You must: (a) comply with
|
||||
the terms of this License to the maximum extent possible; and (b)
|
||||
describe the limitations and the code they affect. Such description
|
||||
must be included in the LEGAL file described in Section 3.4 and must
|
||||
be included with all distributions of the Source Code. Except to the
|
||||
extent prohibited by statute or regulation, such description must be
|
||||
sufficiently detailed for a recipient of ordinary skill to be able to
|
||||
understand it.
|
||||
|
||||
5. Application of this License.
|
||||
|
||||
This License applies to code to which the Initial Developer has
|
||||
attached the notice in Exhibit A and to related Covered Code.
|
||||
|
||||
6. Versions of the License.
|
||||
|
||||
6.1. New Versions.
|
||||
Netscape Communications Corporation ("Netscape") may publish revised
|
||||
and/or new versions of the License from time to time. Each version
|
||||
will be given a distinguishing version number.
|
||||
|
||||
6.2. Effect of New Versions.
|
||||
Once Covered Code has been published under a particular version of the
|
||||
License, You may always continue to use it under the terms of that
|
||||
version. You may also choose to use such Covered Code under the terms
|
||||
of any subsequent version of the License published by Netscape. No one
|
||||
other than Netscape has the right to modify the terms applicable to
|
||||
Covered Code created under this License.
|
||||
|
||||
6.3. Derivative Works.
|
||||
If You create or use a modified version of this License (which you may
|
||||
only do in order to apply it to code which is not already Covered Code
|
||||
governed by this License), You must (a) rename Your license so that
|
||||
the phrases "Mozilla", "MOZILLAPL", "MOZPL", "Netscape",
|
||||
"MPL", "NPL" or any confusingly similar phrase do not appear in your
|
||||
license (except to note that your license differs from this License)
|
||||
and (b) otherwise make it clear that Your version of the license
|
||||
contains terms which differ from the Mozilla Public License and
|
||||
Netscape Public License. (Filling in the name of the Initial
|
||||
Developer, Original Code or Contributor in the notice described in
|
||||
Exhibit A shall not of themselves be deemed to be modifications of
|
||||
this License.)
|
||||
|
||||
7. DISCLAIMER OF WARRANTY.
|
||||
|
||||
COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
||||
WITHOUT LIMITATION, WARRANTIES THAT THE COVERED CODE IS FREE OF
|
||||
DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE OR NON-INFRINGING.
|
||||
THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED CODE
|
||||
IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT,
|
||||
YOU (NOT THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE
|
||||
COST OF ANY NECESSARY SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER
|
||||
OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO USE OF
|
||||
ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
|
||||
|
||||
8. TERMINATION.
|
||||
|
||||
8.1. This License and the rights granted hereunder will terminate
|
||||
automatically if You fail to comply with terms herein and fail to cure
|
||||
such breach within 30 days of becoming aware of the breach. All
|
||||
sublicenses to the Covered Code which are properly granted shall
|
||||
survive any termination of this License. Provisions which, by their
|
||||
nature, must remain in effect beyond the termination of this License
|
||||
shall survive.
|
||||
|
||||
8.2. If You initiate litigation by asserting a patent infringement
|
||||
claim (excluding declatory judgment actions) against Initial Developer
|
||||
or a Contributor (the Initial Developer or Contributor against whom
|
||||
You file such action is referred to as "Participant") alleging that:
|
||||
|
||||
(a) such Participant's Contributor Version directly or indirectly
|
||||
infringes any patent, then any and all rights granted by such
|
||||
Participant to You under Sections 2.1 and/or 2.2 of this License
|
||||
shall, upon 60 days notice from Participant terminate prospectively,
|
||||
unless if within 60 days after receipt of notice You either: (i)
|
||||
agree in writing to pay Participant a mutually agreeable reasonable
|
||||
royalty for Your past and future use of Modifications made by such
|
||||
Participant, or (ii) withdraw Your litigation claim with respect to
|
||||
the Contributor Version against such Participant. If within 60 days
|
||||
of notice, a reasonable royalty and payment arrangement are not
|
||||
mutually agreed upon in writing by the parties or the litigation claim
|
||||
is not withdrawn, the rights granted by Participant to You under
|
||||
Sections 2.1 and/or 2.2 automatically terminate at the expiration of
|
||||
the 60 day notice period specified above.
|
||||
|
||||
(b) any software, hardware, or device, other than such Participant's
|
||||
Contributor Version, directly or indirectly infringes any patent, then
|
||||
any rights granted to You by such Participant under Sections 2.1(b)
|
||||
and 2.2(b) are revoked effective as of the date You first made, used,
|
||||
sold, distributed, or had made, Modifications made by that
|
||||
Participant.
|
||||
|
||||
8.3. If You assert a patent infringement claim against Participant
|
||||
alleging that such Participant's Contributor Version directly or
|
||||
indirectly infringes any patent where such claim is resolved (such as
|
||||
by license or settlement) prior to the initiation of patent
|
||||
infringement litigation, then the reasonable value of the licenses
|
||||
granted by such Participant under Sections 2.1 or 2.2 shall be taken
|
||||
into account in determining the amount or value of any payment or
|
||||
license.
|
||||
|
||||
8.4. In the event of termination under Sections 8.1 or 8.2 above,
|
||||
all end user license agreements (excluding distributors and resellers)
|
||||
which have been validly granted by You or any distributor hereunder
|
||||
prior to termination shall survive termination.
|
||||
|
||||
9. LIMITATION OF LIABILITY.
|
||||
|
||||
UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT
|
||||
(INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL YOU, THE INITIAL
|
||||
DEVELOPER, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF COVERED CODE,
|
||||
OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO ANY PERSON FOR
|
||||
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY
|
||||
CHARACTER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL,
|
||||
WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER
|
||||
COMMERCIAL DAMAGES OR LOSSES, EVEN IF SUCH PARTY SHALL HAVE BEEN
|
||||
INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION OF
|
||||
LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR PERSONAL INJURY
|
||||
RESULTING FROM SUCH PARTY'S NEGLIGENCE TO THE EXTENT APPLICABLE LAW
|
||||
PROHIBITS SUCH LIMITATION. SOME JURISDICTIONS DO NOT ALLOW THE
|
||||
EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO
|
||||
THIS EXCLUSION AND LIMITATION MAY NOT APPLY TO YOU.
|
||||
|
||||
10. U.S. GOVERNMENT END USERS.
|
||||
|
||||
The Covered Code is a "commercial item," as that term is defined in
|
||||
48 C.F.R. 2.101 (Oct. 1995), consisting of "commercial computer
|
||||
software" and "commercial computer software documentation," as such
|
||||
terms are used in 48 C.F.R. 12.212 (Sept. 1995). Consistent with 48
|
||||
C.F.R. 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (June 1995),
|
||||
all U.S. Government End Users acquire Covered Code with only those
|
||||
rights set forth herein.
|
||||
|
||||
11. MISCELLANEOUS.
|
||||
|
||||
This License represents the complete agreement concerning subject
|
||||
matter hereof. If any provision of this License is held to be
|
||||
unenforceable, such provision shall be reformed only to the extent
|
||||
necessary to make it enforceable. This License shall be governed by
|
||||
California law provisions (except to the extent applicable law, if
|
||||
any, provides otherwise), excluding its conflict-of-law provisions.
|
||||
With respect to disputes in which at least one party is a citizen of,
|
||||
or an entity chartered or registered to do business in the United
|
||||
States of America, any litigation relating to this License shall be
|
||||
subject to the jurisdiction of the Federal Courts of the Northern
|
||||
District of California, with venue lying in Santa Clara County,
|
||||
California, with the losing party responsible for costs, including
|
||||
without limitation, court costs and reasonable attorneys' fees and
|
||||
expenses. The application of the United Nations Convention on
|
||||
Contracts for the International Sale of Goods is expressly excluded.
|
||||
Any law or regulation which provides that the language of a contract
|
||||
shall be construed against the drafter shall not apply to this
|
||||
License.
|
||||
|
||||
12. RESPONSIBILITY FOR CLAIMS.
|
||||
|
||||
As between Initial Developer and the Contributors, each party is
|
||||
responsible for claims and damages arising, directly or indirectly,
|
||||
out of its utilization of rights under this License and You agree to
|
||||
work with Initial Developer and Contributors to distribute such
|
||||
responsibility on an equitable basis. Nothing herein is intended or
|
||||
shall be deemed to constitute any admission of liability.
|
||||
|
||||
13. MULTIPLE-LICENSED CODE.
|
||||
|
||||
Initial Developer may designate portions of the Covered Code as
|
||||
"Multiple-Licensed". "Multiple-Licensed" means that the Initial
|
||||
Developer permits you to utilize portions of the Covered Code under
|
||||
Your choice of the MPL or the alternative licenses, if any, specified
|
||||
by the Initial Developer in the file described in Exhibit A.
|
||||
|
||||
EXHIBIT A -Mozilla Public License.
|
||||
|
||||
``The contents of this file are subject to the Mozilla Public License
|
||||
Version 1.1 (the "License"); you may not use this file except in
|
||||
compliance with the License. You may obtain a copy of the License at
|
||||
https://www.mozilla.org/MPL/
|
||||
|
||||
Software distributed under the License is distributed on an "AS IS"
|
||||
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
||||
License for the specific language governing rights and limitations
|
||||
under the License.
|
||||
|
||||
The Original Code is ______________________________________.
|
||||
|
||||
The Initial Developer of the Original Code is ________________________.
|
||||
Portions created by ______________________ are Copyright (C) ______
|
||||
_______________________. All Rights Reserved.
|
||||
|
||||
Contributor(s): ______________________________________.
|
||||
|
||||
Alternatively, the contents of this file may be used under the terms
|
||||
of the _____ license (the "[___] License"), in which case the
|
||||
provisions of [______] License are applicable instead of those
|
||||
above. If you wish to allow use of your version of this file only
|
||||
under the terms of the [____] License and not to allow others to use
|
||||
your version of this file under the MPL, indicate your decision by
|
||||
deleting the provisions above and replace them with the notice and
|
||||
other provisions required by the [___] License. If you do not delete
|
||||
the provisions above, a recipient may use your version of this file
|
||||
under either the MPL or the [___] License."
|
||||
|
||||
[NOTE: The text of this Exhibit A may differ slightly from the text of
|
||||
the notices in the Source Code files of the Original Code. You should
|
||||
use the text of this Exhibit A rather than the text found in the
|
||||
Original Code Source Code for Your Modifications.]
|
||||
32
LICENSES/preferred/BSD-2-Clause
Normal file
32
LICENSES/preferred/BSD-2-Clause
Normal file
@ -0,0 +1,32 @@
|
||||
Valid-License-Identifier: BSD-2-Clause
|
||||
SPDX-URL: https://spdx.org/licenses/BSD-2-Clause.html
|
||||
Usage-Guide:
|
||||
To use the BSD 2-clause "Simplified" License put the following SPDX
|
||||
tag/value pair into a comment according to the placement guidelines in
|
||||
the licensing rules documentation:
|
||||
SPDX-License-Identifier: BSD-2-Clause
|
||||
License-Text:
|
||||
|
||||
Copyright (c) <year> <owner> . All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
36
LICENSES/preferred/BSD-3-Clause
Normal file
36
LICENSES/preferred/BSD-3-Clause
Normal file
@ -0,0 +1,36 @@
|
||||
Valid-License-Identifier: BSD-3-Clause
|
||||
SPDX-URL: https://spdx.org/licenses/BSD-3-Clause.html
|
||||
Usage-Guide:
|
||||
To use the BSD 3-clause "New" or "Revised" License put the following SPDX
|
||||
tag/value pair into a comment according to the placement guidelines in
|
||||
the licensing rules documentation:
|
||||
SPDX-License-Identifier: BSD-3-Clause
|
||||
License-Text:
|
||||
|
||||
Copyright (c) <year> <owner> . All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
3. Neither the name of the copyright holder nor the names of its
|
||||
contributors may be used to endorse or promote products derived from this
|
||||
software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
41
LICENSES/preferred/BSD-3-Clause-Clear
Normal file
41
LICENSES/preferred/BSD-3-Clause-Clear
Normal file
@ -0,0 +1,41 @@
|
||||
Valid-License-Identifier: BSD-3-Clause-Clear
|
||||
SPDX-URL: https://spdx.org/licenses/BSD-3-Clause-Clear.html
|
||||
Usage-Guide:
|
||||
To use the BSD 3-clause "Clear" License put the following SPDX
|
||||
tag/value pair into a comment according to the placement guidelines in
|
||||
the licensing rules documentation:
|
||||
SPDX-License-Identifier: BSD-3-Clause-Clear
|
||||
License-Text:
|
||||
|
||||
The Clear BSD License
|
||||
|
||||
Copyright (c) [xxxx]-[xxxx] [Owner Organization]
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted (subject to the limitations in the disclaimer
|
||||
below) provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
* Neither the name of [Owner Organization] nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY
|
||||
THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
||||
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
|
||||
NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
||||
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
|
||||
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||||
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
353
LICENSES/preferred/GPL-2.0
Normal file
353
LICENSES/preferred/GPL-2.0
Normal file
@ -0,0 +1,353 @@
|
||||
Valid-License-Identifier: GPL-2.0
|
||||
Valid-License-Identifier: GPL-2.0+
|
||||
SPDX-URL: https://spdx.org/licenses/GPL-2.0.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put one of the following SPDX
|
||||
tag/value pairs into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
For 'GNU General Public License (GPL) version 2 only' use:
|
||||
SPDX-License-Identifier: GPL-2.0
|
||||
For 'GNU General Public License (GPL) version 2 or any later version' use:
|
||||
SPDX-License-Identifier: GPL-2.0+
|
||||
License-Text:
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 2, June 1991
|
||||
|
||||
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
|
||||
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your
|
||||
freedom to share and change it. By contrast, the GNU General Public
|
||||
License is intended to guarantee your freedom to share and change free
|
||||
software--to make sure the software is free for all its users. This
|
||||
General Public License applies to most of the Free Software
|
||||
Foundation's software and to any other program whose authors commit to
|
||||
using it. (Some other Free Software Foundation software is covered by
|
||||
the GNU Library General Public License instead.) You can apply it to
|
||||
your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
this service if you wish), that you receive source code or can get it
|
||||
if you want it, that you can change the software or use pieces of it
|
||||
in new free programs; and that you know you can do these things.
|
||||
|
||||
To protect your rights, we need to make restrictions that forbid
|
||||
anyone to deny you these rights or to ask you to surrender the rights.
|
||||
These restrictions translate to certain responsibilities for you if you
|
||||
distribute copies of the software, or if you modify it.
|
||||
|
||||
For example, if you distribute copies of such a program, whether
|
||||
gratis or for a fee, you must give the recipients all the rights that
|
||||
you have. You must make sure that they, too, receive or can get the
|
||||
source code. And you must show them these terms so they know their
|
||||
rights.
|
||||
|
||||
We protect your rights with two steps: (1) copyright the software, and
|
||||
(2) offer you this license which gives you legal permission to copy,
|
||||
distribute and/or modify the software.
|
||||
|
||||
Also, for each author's protection and ours, we want to make certain
|
||||
that everyone understands that there is no warranty for this free
|
||||
software. If the software is modified by someone else and passed on, we
|
||||
want its recipients to know that what they have is not the original, so
|
||||
that any problems introduced by others will not reflect on the original
|
||||
authors' reputations.
|
||||
|
||||
Finally, any free program is threatened constantly by software
|
||||
patents. We wish to avoid the danger that redistributors of a free
|
||||
program will individually obtain patent licenses, in effect making the
|
||||
program proprietary. To prevent this, we have made it clear that any
|
||||
patent must be licensed for everyone's free use or not licensed at all.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License applies to any program or other work which contains
|
||||
a notice placed by the copyright holder saying it may be distributed
|
||||
under the terms of this General Public License. The "Program", below,
|
||||
refers to any such program or work, and a "work based on the Program"
|
||||
means either the Program or any derivative work under copyright law:
|
||||
that is to say, a work containing the Program or a portion of it,
|
||||
either verbatim or with modifications and/or translated into another
|
||||
language. (Hereinafter, translation is included without limitation in
|
||||
the term "modification".) Each licensee is addressed as "you".
|
||||
|
||||
Activities other than copying, distribution and modification are not
|
||||
covered by this License; they are outside its scope. The act of
|
||||
running the Program is not restricted, and the output from the Program
|
||||
is covered only if its contents constitute a work based on the
|
||||
Program (independent of having been made by running the Program).
|
||||
Whether that is true depends on what the Program does.
|
||||
|
||||
1. You may copy and distribute verbatim copies of the Program's
|
||||
source code as you receive it, in any medium, provided that you
|
||||
conspicuously and appropriately publish on each copy an appropriate
|
||||
copyright notice and disclaimer of warranty; keep intact all the
|
||||
notices that refer to this License and to the absence of any warranty;
|
||||
and give any other recipients of the Program a copy of this License
|
||||
along with the Program.
|
||||
|
||||
You may charge a fee for the physical act of transferring a copy, and
|
||||
you may at your option offer warranty protection in exchange for a fee.
|
||||
|
||||
2. You may modify your copy or copies of the Program or any portion
|
||||
of it, thus forming a work based on the Program, and copy and
|
||||
distribute such modifications or work under the terms of Section 1
|
||||
above, provided that you also meet all of these conditions:
|
||||
|
||||
a) You must cause the modified files to carry prominent notices
|
||||
stating that you changed the files and the date of any change.
|
||||
|
||||
b) You must cause any work that you distribute or publish, that in
|
||||
whole or in part contains or is derived from the Program or any
|
||||
part thereof, to be licensed as a whole at no charge to all third
|
||||
parties under the terms of this License.
|
||||
|
||||
c) If the modified program normally reads commands interactively
|
||||
when run, you must cause it, when started running for such
|
||||
interactive use in the most ordinary way, to print or display an
|
||||
announcement including an appropriate copyright notice and a
|
||||
notice that there is no warranty (or else, saying that you provide
|
||||
a warranty) and that users may redistribute the program under
|
||||
these conditions, and telling the user how to view a copy of this
|
||||
License. (Exception: if the Program itself is interactive but
|
||||
does not normally print such an announcement, your work based on
|
||||
the Program is not required to print an announcement.)
|
||||
|
||||
These requirements apply to the modified work as a whole. If
|
||||
identifiable sections of that work are not derived from the Program,
|
||||
and can be reasonably considered independent and separate works in
|
||||
themselves, then this License, and its terms, do not apply to those
|
||||
sections when you distribute them as separate works. But when you
|
||||
distribute the same sections as part of a whole which is a work based
|
||||
on the Program, the distribution of the whole must be on the terms of
|
||||
this License, whose permissions for other licensees extend to the
|
||||
entire whole, and thus to each and every part regardless of who wrote it.
|
||||
|
||||
Thus, it is not the intent of this section to claim rights or contest
|
||||
your rights to work written entirely by you; rather, the intent is to
|
||||
exercise the right to control the distribution of derivative or
|
||||
collective works based on the Program.
|
||||
|
||||
In addition, mere aggregation of another work not based on the Program
|
||||
with the Program (or with a work based on the Program) on a volume of
|
||||
a storage or distribution medium does not bring the other work under
|
||||
the scope of this License.
|
||||
|
||||
3. You may copy and distribute the Program (or a work based on it,
|
||||
under Section 2) in object code or executable form under the terms of
|
||||
Sections 1 and 2 above provided that you also do one of the following:
|
||||
|
||||
a) Accompany it with the complete corresponding machine-readable
|
||||
source code, which must be distributed under the terms of Sections
|
||||
1 and 2 above on a medium customarily used for software interchange; or,
|
||||
|
||||
b) Accompany it with a written offer, valid for at least three
|
||||
years, to give any third party, for a charge no more than your
|
||||
cost of physically performing source distribution, a complete
|
||||
machine-readable copy of the corresponding source code, to be
|
||||
distributed under the terms of Sections 1 and 2 above on a medium
|
||||
customarily used for software interchange; or,
|
||||
|
||||
c) Accompany it with the information you received as to the offer
|
||||
to distribute corresponding source code. (This alternative is
|
||||
allowed only for noncommercial distribution and only if you
|
||||
received the program in object code or executable form with such
|
||||
an offer, in accord with Subsection b above.)
|
||||
|
||||
The source code for a work means the preferred form of the work for
|
||||
making modifications to it. For an executable work, complete source
|
||||
code means all the source code for all modules it contains, plus any
|
||||
associated interface definition files, plus the scripts used to
|
||||
control compilation and installation of the executable. However, as a
|
||||
special exception, the source code distributed need not include
|
||||
anything that is normally distributed (in either source or binary
|
||||
form) with the major components (compiler, kernel, and so on) of the
|
||||
operating system on which the executable runs, unless that component
|
||||
itself accompanies the executable.
|
||||
|
||||
If distribution of executable or object code is made by offering
|
||||
access to copy from a designated place, then offering equivalent
|
||||
access to copy the source code from the same place counts as
|
||||
distribution of the source code, even though third parties are not
|
||||
compelled to copy the source along with the object code.
|
||||
|
||||
4. You may not copy, modify, sublicense, or distribute the Program
|
||||
except as expressly provided under this License. Any attempt
|
||||
otherwise to copy, modify, sublicense or distribute the Program is
|
||||
void, and will automatically terminate your rights under this License.
|
||||
However, parties who have received copies, or rights, from you under
|
||||
this License will not have their licenses terminated so long as such
|
||||
parties remain in full compliance.
|
||||
|
||||
5. You are not required to accept this License, since you have not
|
||||
signed it. However, nothing else grants you permission to modify or
|
||||
distribute the Program or its derivative works. These actions are
|
||||
prohibited by law if you do not accept this License. Therefore, by
|
||||
modifying or distributing the Program (or any work based on the
|
||||
Program), you indicate your acceptance of this License to do so, and
|
||||
all its terms and conditions for copying, distributing or modifying
|
||||
the Program or works based on it.
|
||||
|
||||
6. Each time you redistribute the Program (or any work based on the
|
||||
Program), the recipient automatically receives a license from the
|
||||
original licensor to copy, distribute or modify the Program subject to
|
||||
these terms and conditions. You may not impose any further
|
||||
restrictions on the recipients' exercise of the rights granted herein.
|
||||
You are not responsible for enforcing compliance by third parties to
|
||||
this License.
|
||||
|
||||
7. If, as a consequence of a court judgment or allegation of patent
|
||||
infringement or for any other reason (not limited to patent issues),
|
||||
conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot
|
||||
distribute so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you
|
||||
may not distribute the Program at all. For example, if a patent
|
||||
license would not permit royalty-free redistribution of the Program by
|
||||
all those who receive copies directly or indirectly through you, then
|
||||
the only way you could satisfy both it and this License would be to
|
||||
refrain entirely from distribution of the Program.
|
||||
|
||||
If any portion of this section is held invalid or unenforceable under
|
||||
any particular circumstance, the balance of the section is intended to
|
||||
apply and the section as a whole is intended to apply in other
|
||||
circumstances.
|
||||
|
||||
It is not the purpose of this section to induce you to infringe any
|
||||
patents or other property right claims or to contest validity of any
|
||||
such claims; this section has the sole purpose of protecting the
|
||||
integrity of the free software distribution system, which is
|
||||
implemented by public license practices. Many people have made
|
||||
generous contributions to the wide range of software distributed
|
||||
through that system in reliance on consistent application of that
|
||||
system; it is up to the author/donor to decide if he or she is willing
|
||||
to distribute software through any other system and a licensee cannot
|
||||
impose that choice.
|
||||
|
||||
This section is intended to make thoroughly clear what is believed to
|
||||
be a consequence of the rest of this License.
|
||||
|
||||
8. If the distribution and/or use of the Program is restricted in
|
||||
certain countries either by patents or by copyrighted interfaces, the
|
||||
original copyright holder who places the Program under this License
|
||||
may add an explicit geographical distribution limitation excluding
|
||||
those countries, so that distribution is permitted only in or among
|
||||
countries not thus excluded. In such case, this License incorporates
|
||||
the limitation as if written in the body of this License.
|
||||
|
||||
9. The Free Software Foundation may publish revised and/or new versions
|
||||
of the General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the Program
|
||||
specifies a version number of this License which applies to it and "any
|
||||
later version", you have the option of following the terms and conditions
|
||||
either of that version or of any later version published by the Free
|
||||
Software Foundation. If the Program does not specify a version number of
|
||||
this License, you may choose any version ever published by the Free Software
|
||||
Foundation.
|
||||
|
||||
10. If you wish to incorporate parts of the Program into other free
|
||||
programs whose distribution conditions are different, write to the author
|
||||
to ask for permission. For software which is copyrighted by the Free
|
||||
Software Foundation, write to the Free Software Foundation; we sometimes
|
||||
make exceptions for this. Our decision will be guided by the two goals
|
||||
of preserving the free status of all derivatives of our free software and
|
||||
of promoting the sharing and reuse of software generally.
|
||||
|
||||
NO WARRANTY
|
||||
|
||||
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
|
||||
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
|
||||
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
|
||||
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
|
||||
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
|
||||
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
|
||||
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
|
||||
REPAIR OR CORRECTION.
|
||||
|
||||
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
|
||||
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
|
||||
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
|
||||
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
|
||||
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
|
||||
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
|
||||
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
convey the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program is interactive, make it output a short notice like this
|
||||
when it starts in an interactive mode:
|
||||
|
||||
Gnomovision version 69, Copyright (C) year name of author
|
||||
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, the commands you use may
|
||||
be called something other than `show w' and `show c'; they could even be
|
||||
mouse-clicks or menu items--whatever suits your program.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
|
||||
`Gnomovision' (which makes passes at compilers) written by James Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1989
|
||||
Ty Coon, President of Vice
|
||||
|
||||
This General Public License does not permit incorporating your program into
|
||||
proprietary programs. If your program is a subroutine library, you may
|
||||
consider it more useful to permit linking proprietary applications with the
|
||||
library. If this is what you want to do, use the GNU Library General
|
||||
Public License instead of this License.
|
||||
487
LICENSES/preferred/LGPL-2.0
Normal file
487
LICENSES/preferred/LGPL-2.0
Normal file
@ -0,0 +1,487 @@
|
||||
Valid-License-Identifier: LGPL-2.0
|
||||
Valid-License-Identifier: LGPL-2.0+
|
||||
SPDX-URL: https://spdx.org/licenses/LGPL-2.0.html
|
||||
Usage-Guide:
|
||||
To use this license in source code, put one of the following SPDX
|
||||
tag/value pairs into a comment according to the placement
|
||||
guidelines in the licensing rules documentation.
|
||||
For 'GNU Library General Public License (LGPL) version 2.0 only' use:
|
||||
SPDX-License-Identifier: LGPL-2.0
|
||||
For 'GNU Library General Public License (LGPL) version 2.0 or any later
|
||||
version' use:
|
||||
SPDX-License-Identifier: LGPL-2.0+
|
||||
License-Text:
|
||||
|
||||
GNU LIBRARY GENERAL PUBLIC LICENSE
|
||||
Version 2, June 1991
|
||||
|
||||
Copyright (C) 1991 Free Software Foundation, Inc.
|
||||
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
||||
|
||||
Everyone is permitted to copy and distribute verbatim copies of this
|
||||
license document, but changing it is not allowed.
|
||||
|
||||
[This is the first released version of the library GPL. It is numbered 2
|
||||
because it goes with version 2 of the ordinary GPL.]
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your freedom to
|
||||
share and change it. By contrast, the GNU General Public Licenses are
|
||||
intended to guarantee your freedom to share and change free software--to
|
||||
make sure the software is free for all its users.
|
||||
|
||||
This license, the Library General Public License, applies to some specially
|
||||
designated Free Software Foundation software, and to any other libraries
|
||||
whose authors decide to use it. You can use it for your libraries, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not price. Our
|
||||
General Public Licenses are designed to make sure that you have the freedom
|
||||
to distribute copies of free software (and charge for this service if you
|
||||
wish), that you receive source code or can get it if you want it, that you
|
||||
can change the software or use pieces of it in new free programs; and that
|
||||
you know you can do these things.
|
||||
|
||||
To protect your rights, we need to make restrictions that forbid anyone to
|
||||
deny you these rights or to ask you to surrender the rights. These
|
||||
restrictions translate to certain responsibilities for you if you
|
||||
distribute copies of the library, or if you modify it.
|
||||
|
||||
For example, if you distribute copies of the library, whether gratis or for
|
||||
a fee, you must give the recipients all the rights that we gave you. You
|
||||
must make sure that they, too, receive or can get the source code. If you
|
||||
link a program with the library, you must provide complete object files to
|
||||
the recipients so that they can relink them with the library, after making
|
||||
changes to the library and recompiling it. And you must show them these
|
||||
terms so they know their rights.
|
||||
|
||||
Our method of protecting your rights has two steps: (1) copyright the
|
||||
library, and (2) offer you this license which gives you legal permission to
|
||||
copy, distribute and/or modify the library.
|
||||
|
||||
Also, for each distributor's protection, we want to make certain that
|
||||
everyone understands that there is no warranty for this free library. If
|
||||
the library is modified by someone else and passed on, we want its
|
||||
recipients to know that what they have is not the original version, so that
|
||||
any problems introduced by others will not reflect on the original authors'
|
||||
reputations.
|
||||
|
||||
Finally, any free program is threatened constantly by software patents. We
|
||||
wish to avoid the danger that companies distributing free software will
|
||||
individually obtain patent licenses, thus in effect transforming the
|
||||
program into proprietary software. To prevent this, we have made it clear
|
||||
that any patent must be licensed for everyone's free use or not licensed at
|
||||
all.
|
||||
|
||||
Most GNU software, including some libraries, is covered by the ordinary GNU
|
||||
General Public License, which was designed for utility programs. This
|
||||
license, the GNU Library General Public License, applies to certain
|
||||
designated libraries. This license is quite different from the ordinary
|
||||
one; be sure to read it in full, and don't assume that anything in it is
|
||||
the same as in the ordinary license.
|
||||
|
||||
The reason we have a separate public license for some libraries is that
|
||||
they blur the distinction we usually make between modifying or adding to a
|
||||
program and simply using it. Linking a program with a library, without
|
||||
changing the library, is in some sense simply using the library, and is
|
||||
analogous to running a utility program or application program. However, in
|
||||
a textual and legal sense, the linked executable is a combined work, a
|
||||
derivative of the original library, and the ordinary General Public License
|
||||
treats it as such.
|
||||
|
||||
Because of this blurred distinction, using the ordinary General Public
|
||||
License for libraries did not effectively promote software sharing, because
|
||||
most developers did not use the libraries. We concluded that weaker
|
||||
conditions might promote sharing better.
|
||||
|
||||
However, unrestricted linking of non-free programs would deprive the users
|
||||
of those programs of all benefit from the free status of the libraries
|
||||
themselves. This Library General Public License is intended to permit
|
||||
developers of non-free programs to use free libraries, while preserving
|
||||
your freedom as a user of such programs to change the free libraries that
|
||||
are incorporated in them. (We have not seen how to achieve this as regards
|
||||
changes in header files, but we have achieved it as regards changes in the
|
||||
actual functions of the Library.) The hope is that this will lead to faster
|
||||
development of free libraries.
|
||||
|
||||
The precise terms and conditions for copying, distribution and modification
|
||||
follow. Pay close attention to the difference between a "work based on the
|
||||
library" and a "work that uses the library". The former contains code
|
||||
derived from the library, while the latter only works together with the
|
||||
library.
|
||||
|
||||
Note that it is possible for a library to be covered by the ordinary
|
||||
General Public License rather than by this special one.
|
||||
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License Agreement applies to any software library which contains a
|
||||
notice placed by the copyright holder or other authorized party saying
|
||||
it may be distributed under the terms of this Library General Public
|
||||
License (also called "this License"). Each licensee is addressed as
|
||||
"you".
|
||||
|
||||
A "library" means a collection of software functions and/or data
|
||||
prepared so as to be conveniently linked with application programs
|
||||
(which use some of those functions and data) to form executables.
|
||||
|
||||
The "Library", below, refers to any such software library or work which
|
||||
has been distributed under these terms. A "work based on the Library"
|
||||
means either the Library or any derivative work under copyright law:
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How to Apply These Terms to Your New Libraries
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If you develop a new library, and you want it to be of the greatest
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This library is free software; you can redistribute it and/or modify it
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Yoyodyne, Inc., hereby disclaims all copyright interest in
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|
||||
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||||
That's all there is to it!
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503
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To use this license in source code, put one of the following SPDX
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|
||||
GNU LESSER GENERAL PUBLIC LICENSE
|
||||
Version 2.1, February 1999
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||||
|
||||
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|
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|
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||||
Preamble
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||||
The licenses for most software are designed to take away your freedom to
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|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
|
||||
for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with this library; if not, write to the Free Software Foundation,
|
||||
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Also add
|
||||
information on how to contact you by electronic and paper mail.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the library, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in
|
||||
the library `Frob' (a library for tweaking knobs) written
|
||||
by James Random Hacker.
|
||||
|
||||
signature of Ty Coon, 1 April 1990
|
||||
Ty Coon, President of Vice
|
||||
That's all there is to it!
|
||||
30
LICENSES/preferred/MIT
Normal file
30
LICENSES/preferred/MIT
Normal file
@ -0,0 +1,30 @@
|
||||
Valid-License-Identifier: MIT
|
||||
SPDX-URL: https://spdx.org/licenses/MIT.html
|
||||
Usage-Guide:
|
||||
To use the MIT License put the following SPDX tag/value pair into a
|
||||
comment according to the placement guidelines in the licensing rules
|
||||
documentation:
|
||||
SPDX-License-Identifier: MIT
|
||||
License-Text:
|
||||
|
||||
MIT License
|
||||
|
||||
Copyright (c) <year> <copyright holders>
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a
|
||||
copy of this software and associated documentation files (the "Software"),
|
||||
to deal in the Software without restriction, including without limitation
|
||||
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
and/or sell copies of the Software, and to permit persons to whom the
|
||||
Software is furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
@ -59,7 +59,11 @@ enum w1_netlink_message_types {
|
||||
* @type: one of enum w1_netlink_message_types
|
||||
* @status: kernel feedback for success 0 or errno failure value
|
||||
* @len: length of data following w1_netlink_msg
|
||||
* @id: union holding master bus id (msg.id) and slave device id (id[8]).
|
||||
* @id: union holding bus master id (msg.id) and slave device id (id[8]).
|
||||
* @id.id: Slave ID (8 bytes)
|
||||
* @id.mst: bus master identification
|
||||
* @id.mst.id: bus master ID
|
||||
* @id.mst.res: bus master reserved
|
||||
* @data: start address of any following data
|
||||
*
|
||||
* The base message structure for w1 messages over netlink.
|
||||
|
||||
@ -25,9 +25,6 @@ config 9P_FS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
endif
|
||||
|
||||
@ -167,17 +167,13 @@ config TMPFS_POSIX_ACL
|
||||
files for sound to work properly. In short, if you're not sure,
|
||||
say Y.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
config TMPFS_XATTR
|
||||
bool "Tmpfs extended attributes"
|
||||
depends on TMPFS
|
||||
default n
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details).
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
|
||||
Currently this enables support for the trusted.* and
|
||||
security.* namespaces.
|
||||
|
||||
@ -38,9 +38,6 @@ config BTRFS_FS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config BTRFS_FS_CHECK_INTEGRITY
|
||||
|
||||
@ -34,7 +34,4 @@ config CEPH_FS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
@ -108,14 +108,13 @@ config CIFS_XATTR
|
||||
depends on CIFS
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details). CIFS maps the name of
|
||||
extended attributes beginning with the user namespace prefix
|
||||
to SMB/CIFS EAs. EAs are stored on Windows servers without the
|
||||
user namespace prefix, but their names are seen by Linux cifs clients
|
||||
prefaced by the user namespace prefix. The system namespace
|
||||
(used by some filesystems to store ACLs) is not supported at
|
||||
this time.
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
CIFS maps the name of extended attributes beginning with the user
|
||||
namespace prefix to SMB/CIFS EAs. EAs are stored on Windows
|
||||
servers without the user namespace prefix, but their names are
|
||||
seen by Linux cifs clients prefaced by the user namespace prefix.
|
||||
The system namespace (used by some filesystems to store ACLs) is
|
||||
not supported at this time.
|
||||
|
||||
If unsure, say Y.
|
||||
|
||||
|
||||
@ -13,8 +13,7 @@ config EXT2_FS_XATTR
|
||||
depends on EXT2_FS
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details).
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
@ -26,9 +25,6 @@ config EXT2_FS_POSIX_ACL
|
||||
Posix Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the Posix ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config EXT2_FS_SECURITY
|
||||
|
||||
@ -82,9 +82,6 @@ config EXT4_FS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config EXT4_FS_SECURITY
|
||||
|
||||
@ -35,8 +35,7 @@ config F2FS_FS_XATTR
|
||||
default y
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details).
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
@ -49,9 +48,6 @@ config F2FS_FS_POSIX_ACL
|
||||
Posix Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config F2FS_FS_SECURITY
|
||||
|
||||
@ -20,9 +20,6 @@ config HFSPLUS_FS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
It needs to understand that POSIX ACLs are treated only under
|
||||
Linux. POSIX ACLs doesn't mean something under Mac OS X.
|
||||
Mac OS X beginning with version 10.4 ("Tiger") support NFSv4 ACLs,
|
||||
|
||||
@ -68,8 +68,7 @@ config JFFS2_FS_XATTR
|
||||
default n
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details).
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
@ -82,9 +81,6 @@ config JFFS2_FS_POSIX_ACL
|
||||
Posix Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the Posix ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config JFFS2_FS_SECURITY
|
||||
|
||||
@ -16,9 +16,6 @@ config JFS_POSIX_ACL
|
||||
Posix Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the Posix ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config JFS_SECURITY
|
||||
|
||||
@ -57,8 +57,7 @@ config REISERFS_FS_XATTR
|
||||
depends on REISERFS_FS
|
||||
help
|
||||
Extended attributes are name:value pairs associated with inodes by
|
||||
the kernel or by users (see the attr(5) manual page, or visit
|
||||
<http://acl.bestbits.at/> for details).
|
||||
the kernel or by users (see the attr(5) manual page for details).
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
@ -70,9 +69,6 @@ config REISERFS_FS_POSIX_ACL
|
||||
Posix Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the Posix ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N
|
||||
|
||||
config REISERFS_FS_SECURITY
|
||||
|
||||
@ -48,9 +48,6 @@ config XFS_POSIX_ACL
|
||||
POSIX Access Control Lists (ACLs) support permissions for users and
|
||||
groups beyond the owner/group/world scheme.
|
||||
|
||||
To learn more about Access Control Lists, visit the POSIX ACLs for
|
||||
Linux website <http://acl.bestbits.at/>.
|
||||
|
||||
If you don't know what Access Control Lists are, say N.
|
||||
|
||||
config XFS_RT
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* See Documentation/errseq.rst and lib/errseq.c
|
||||
* See Documentation/core-api/errseq.rst and lib/errseq.c
|
||||
*/
|
||||
#ifndef _LINUX_ERRSEQ_H
|
||||
#define _LINUX_ERRSEQ_H
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
#include <linux/kernel.h>
|
||||
|
||||
/**
|
||||
* refcount_t - variant of atomic_t specialized for reference counts
|
||||
* struct refcount_t - variant of atomic_t specialized for reference counts
|
||||
* @refs: atomic_t counter field
|
||||
*
|
||||
* The counter saturates at UINT_MAX and will not move once
|
||||
|
||||
37
lib/errseq.c
37
lib/errseq.c
@ -46,14 +46,14 @@
|
||||
* @eseq: errseq_t field that should be set
|
||||
* @err: error to set (must be between -1 and -MAX_ERRNO)
|
||||
*
|
||||
* This function sets the error in *eseq, and increments the sequence counter
|
||||
* This function sets the error in @eseq, and increments the sequence counter
|
||||
* if the last sequence was sampled at some point in the past.
|
||||
*
|
||||
* Any error set will always overwrite an existing error.
|
||||
*
|
||||
* We do return the latest value here, primarily for debugging purposes. The
|
||||
* return value should not be used as a previously sampled value in later calls
|
||||
* as it will not have the SEEN flag set.
|
||||
* Return: The previous value, primarily for debugging purposes. The
|
||||
* return value should not be used as a previously sampled value in later
|
||||
* calls as it will not have the SEEN flag set.
|
||||
*/
|
||||
errseq_t errseq_set(errseq_t *eseq, int err)
|
||||
{
|
||||
@ -108,11 +108,13 @@ errseq_t errseq_set(errseq_t *eseq, int err)
|
||||
EXPORT_SYMBOL(errseq_set);
|
||||
|
||||
/**
|
||||
* errseq_sample - grab current errseq_t value
|
||||
* @eseq: pointer to errseq_t to be sampled
|
||||
* errseq_sample() - Grab current errseq_t value.
|
||||
* @eseq: Pointer to errseq_t to be sampled.
|
||||
*
|
||||
* This function allows callers to sample an errseq_t value, marking it as
|
||||
* "seen" if required.
|
||||
*
|
||||
* Return: The current errseq value.
|
||||
*/
|
||||
errseq_t errseq_sample(errseq_t *eseq)
|
||||
{
|
||||
@ -134,15 +136,15 @@ errseq_t errseq_sample(errseq_t *eseq)
|
||||
EXPORT_SYMBOL(errseq_sample);
|
||||
|
||||
/**
|
||||
* errseq_check - has an error occurred since a particular sample point?
|
||||
* @eseq: pointer to errseq_t value to be checked
|
||||
* @since: previously-sampled errseq_t from which to check
|
||||
* errseq_check() - Has an error occurred since a particular sample point?
|
||||
* @eseq: Pointer to errseq_t value to be checked.
|
||||
* @since: Previously-sampled errseq_t from which to check.
|
||||
*
|
||||
* Grab the value that eseq points to, and see if it has changed "since"
|
||||
* the given value was sampled. The "since" value is not advanced, so there
|
||||
* Grab the value that eseq points to, and see if it has changed @since
|
||||
* the given value was sampled. The @since value is not advanced, so there
|
||||
* is no need to mark the value as seen.
|
||||
*
|
||||
* Returns the latest error set in the errseq_t or 0 if it hasn't changed.
|
||||
* Return: The latest error set in the errseq_t or 0 if it hasn't changed.
|
||||
*/
|
||||
int errseq_check(errseq_t *eseq, errseq_t since)
|
||||
{
|
||||
@ -155,11 +157,11 @@ int errseq_check(errseq_t *eseq, errseq_t since)
|
||||
EXPORT_SYMBOL(errseq_check);
|
||||
|
||||
/**
|
||||
* errseq_check_and_advance - check an errseq_t and advance to current value
|
||||
* @eseq: pointer to value being checked and reported
|
||||
* @since: pointer to previously-sampled errseq_t to check against and advance
|
||||
* errseq_check_and_advance() - Check an errseq_t and advance to current value.
|
||||
* @eseq: Pointer to value being checked and reported.
|
||||
* @since: Pointer to previously-sampled errseq_t to check against and advance.
|
||||
*
|
||||
* Grab the eseq value, and see whether it matches the value that "since"
|
||||
* Grab the eseq value, and see whether it matches the value that @since
|
||||
* points to. If it does, then just return 0.
|
||||
*
|
||||
* If it doesn't, then the value has changed. Set the "seen" flag, and try to
|
||||
@ -170,6 +172,9 @@ EXPORT_SYMBOL(errseq_check);
|
||||
* value. The caller must provide that if necessary. Because of this, callers
|
||||
* may want to do a lockless errseq_check before taking the lock and calling
|
||||
* this.
|
||||
*
|
||||
* Return: Negative errno if one has been stored, or 0 if no new error has
|
||||
* occurred.
|
||||
*/
|
||||
int errseq_check_and_advance(errseq_t *eseq, errseq_t *since)
|
||||
{
|
||||
|
||||
34
lib/uuid.c
34
lib/uuid.c
@ -29,15 +29,14 @@ EXPORT_SYMBOL(uuid_null);
|
||||
const u8 guid_index[16] = {3,2,1,0,5,4,7,6,8,9,10,11,12,13,14,15};
|
||||
const u8 uuid_index[16] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
|
||||
|
||||
/***************************************************************
|
||||
/**
|
||||
* generate_random_uuid - generate a random UUID
|
||||
* @uuid: where to put the generated UUID
|
||||
*
|
||||
* Random UUID interface
|
||||
*
|
||||
* Used here for a Boot ID, but can be useful for other kernel
|
||||
* drivers.
|
||||
***************************************************************/
|
||||
|
||||
/*
|
||||
* Generate random UUID
|
||||
* Used to create a Boot ID or a filesystem UUID/GUID, but can be
|
||||
* useful for other kernel drivers.
|
||||
*/
|
||||
void generate_random_uuid(unsigned char uuid[16])
|
||||
{
|
||||
@ -73,16 +72,17 @@ void uuid_gen(uuid_t *bu)
|
||||
EXPORT_SYMBOL_GPL(uuid_gen);
|
||||
|
||||
/**
|
||||
* uuid_is_valid - checks if UUID string valid
|
||||
* @uuid: UUID string to check
|
||||
*
|
||||
* Description:
|
||||
* It checks if the UUID string is following the format:
|
||||
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
|
||||
* where x is a hex digit.
|
||||
*
|
||||
* Return: true if input is valid UUID string.
|
||||
*/
|
||||
* uuid_is_valid - checks if a UUID string is valid
|
||||
* @uuid: UUID string to check
|
||||
*
|
||||
* Description:
|
||||
* It checks if the UUID string is following the format:
|
||||
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
|
||||
*
|
||||
* where x is a hex digit.
|
||||
*
|
||||
* Return: true if input is valid UUID string.
|
||||
*/
|
||||
bool uuid_is_valid(const char *uuid)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
@ -1834,7 +1834,8 @@ static char *ptr_to_id(char *buf, char *end, void *ptr, struct printf_spec spec)
|
||||
*
|
||||
* - 'x' For printing the address. Equivalent to "%lx".
|
||||
*
|
||||
* ** Please update also Documentation/printk-formats.txt when making changes **
|
||||
* ** When making changes please also update:
|
||||
* Documentation/core-api/printk-formats.rst
|
||||
*
|
||||
* Note: The difference between 'S' and 'F' is that on ia64 and ppc64
|
||||
* function pointers are really function descriptors, which contain a
|
||||
@ -2194,7 +2195,7 @@ set_precision(struct printf_spec *spec, int prec)
|
||||
* - ``%n`` is unsupported
|
||||
* - ``%p*`` is handled by pointer()
|
||||
*
|
||||
* See pointer() or Documentation/printk-formats.txt for more
|
||||
* See pointer() or Documentation/core-api/printk-formats.rst for more
|
||||
* extensive description.
|
||||
*
|
||||
* **Please update the documentation in both places when making changes**
|
||||
|
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1502
scripts/kernel-doc
1502
scripts/kernel-doc
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