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/linux/sound/core/oss/
H A Dpcm_plugin.c49 static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames) in snd_pcm_plugin_alloc() argument
57 if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK) { in snd_pcm_plugin_alloc()
58 format = &plugin->src_format; in snd_pcm_plugin_alloc()
60 format = &plugin->dst_format; in snd_pcm_plugin_alloc()
72 if (plugin->buf_frames < frames) { in snd_pcm_plugin_alloc()
73 kvfree(plugin->buf); in snd_pcm_plugin_alloc()
74 plugin->buf = kvzalloc(size, GFP_KERNEL); in snd_pcm_plugin_alloc()
75 plugin->buf_frames = frames; in snd_pcm_plugin_alloc()
77 if (!plugin->buf) { in snd_pcm_plugin_alloc()
78 plugin->buf_frames = 0; in snd_pcm_plugin_alloc()
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H A Dio.c34 * Basic io plugin
37 static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin, in io_playback_transfer() argument
42 if (snd_BUG_ON(!plugin)) in io_playback_transfer()
46 if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { in io_playback_transfer()
47 return pcm_write(plugin->plug, src_channels->area.addr, frames); in io_playback_transfer()
49 int channel, channels = plugin->dst_format.channels; in io_playback_transfer()
50 void **bufs = (void**)plugin->extra_data; in io_playback_transfer()
59 return pcm_writev(plugin->plug, bufs, frames); in io_playback_transfer()
63 static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin, in io_capture_transfer() argument
68 if (snd_BUG_ON(!plugin)) in io_capture_transfer()
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H A Dlinear.c29 * Basic linear conversion plugin
55 static void convert(struct snd_pcm_plugin *plugin, in convert() argument
60 struct linear_priv *data = (struct linear_priv *)plugin->extra_data; in convert()
62 int nchannels = plugin->src_format.channels; in convert()
70 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in convert()
88 static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, in linear_transfer() argument
93 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in linear_transfer()
100 for (channel = 0; channel < plugin->src_format.channels; channel++) { in linear_transfer()
112 convert(plugin, src_channels, dst_channels, frames); in linear_transfer()
156 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_linear() local
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H A Dmulaw.c138 * Basic Mu-Law plugin
141 typedef void (*mulaw_f)(struct snd_pcm_plugin *plugin,
168 static void mulaw_decode(struct snd_pcm_plugin *plugin, in mulaw_decode() argument
173 struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data; in mulaw_decode()
175 int nchannels = plugin->src_format.channels; in mulaw_decode()
183 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in mulaw_decode()
214 static void mulaw_encode(struct snd_pcm_plugin *plugin, in mulaw_encode() argument
219 struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data; in mulaw_encode()
221 int nchannels = plugin->src_format.channels; in mulaw_encode()
229 snd_pcm_area_silence(&dst_channels[channel].area, 0, frames, plugin->dst_format.format); in mulaw_encode()
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H A Dcopy.c27 static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin, in copy_transfer() argument
35 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in copy_transfer()
39 nchannels = plugin->src_format.channels; in copy_transfer()
49 snd_pcm_area_silence(&dst_channels->area, 0, frames, plugin->dst_format.format); in copy_transfer()
54 …snd_pcm_area_copy(&src_channels->area, 0, &dst_channels->area, 0, frames, plugin->src_format.forma… in copy_transfer()
67 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_copy() local
86 0, &plugin); in snd_pcm_plugin_build_copy()
89 plugin->transfer = copy_transfer; in snd_pcm_plugin_build_copy()
90 *r_plugin = plugin; in snd_pcm_plugin_build_copy()
H A Dpcm_plugin.h6 * Digital Audio (Plugin interface) abstract layer
47 snd_pcm_sframes_t (*src_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames);
48 snd_pcm_sframes_t (*dst_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t src_frames);
49 snd_pcm_sframes_t (*client_channels)(struct snd_pcm_plugin *plugin,
52 snd_pcm_sframes_t (*transfer)(struct snd_pcm_plugin *plugin,
56 int (*action)(struct snd_pcm_plugin *plugin,
63 void (*private_free)(struct snd_pcm_plugin *plugin);
76 int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin);
115 int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin);
128 snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
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H A Droute.c47 static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin, in route_transfer() argument
56 if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) in route_transfer()
63 nsrcs = plugin->src_format.channels; in route_transfer()
64 ndsts = plugin->dst_format.channels; in route_transfer()
66 format = plugin->dst_format.format; in route_transfer()
92 struct snd_pcm_plugin *plugin; in snd_pcm_plugin_build_route() local
104 src_format, dst_format, 0, &plugin); in snd_pcm_plugin_build_route()
108 plugin->transfer = route_transfer; in snd_pcm_plugin_build_route()
109 *r_plugin = plugin; in snd_pcm_plugin_build_route()
/linux/Documentation/kbuild/
H A Dgcc-plugins.rst2 GCC plugin infrastructure
14 The GCC plugin infrastructure of the kernel supports building out-of-tree
16 Plugin source files have to be compilable by a C++ compiler.
18 Currently the GCC plugin infrastructure supports only some architectures.
27 .. [2] https://gcc.gnu.org/onlinedocs/gccint/Plugin-API.html#Plugin-API
49 GCC plugin), so the entire ecosystem can benefit from it.
51 Similarly, even if a feature provided by a GCC plugin does *not* exist
55 After a feature is available in upstream GCC, the plugin will be made
57 kernel-supported versions of GCC provide the feature, the plugin will
86 You must install the gcc plugin headers for your gcc version,
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/linux/scripts/gcc-plugins/
H A DMakefile21 # If the plugin foo.so is compiled from foo.c and foo2.c, you can do:
27 GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
39 plugin-single := $(foreach m, $(GCC_PLUGIN), $(if $($(m:%.so=%-objs)),,$(m)))
40 plugin-multi := $(filter-out $(plugin-single), $(GCC_PLUGIN))
41 plugin-objs := $(sort $(foreach m, $(plugin-multi), $($(m:%.so=%-objs))))
43 targets += $(plugin-single) $(plugin-multi) $(plugin
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H A Dstackleak_plugin.c11 * This gcc plugin is needed for tracking the lowest border of the kernel stack.
15 * to the "track-min-size" plugin parameter.
17 * This plugin is ported from grsecurity/PaX. For more information see:
24 * - add "-fdump-tree-all -fdump-rtl-all" to the plugin CFLAGS in
50 "disable\t\tdo not activate the plugin\n"
521 * Every gcc plugin exports a plugin_init() function that is called right
522 * after the plugin is loaded. This function is responsible for registering
523 * the plugin callbacks and doing other required initialization.
549 * versions of the plugin this new pass was inserted before the in plugin_init()
564 error(G_("incompatible gcc/plugin versions")); in plugin_init()
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H A DKconfig12 depends on $(success,test -e $(shell,$(CC) -print-file-name=plugin)/include/plugin-version.h)
35 This plugin was ported from grsecurity/PaX. More information at:
H A Drandomize_layout_plugin.c13 …* $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -…
15 …* $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -…
34 .help = "disable\t\t\tdo not activate plugin\n"
375 /* from constify plugin */
381 /* from constify plugin */
390 /* derived from constify plugin */
582 /* pipacs' plugin creates franken-arrays that differ from those produced by in check_bad_casts_in_constructor()
611 /* derived from the constify plugin */
839 error(G_("incompatible gcc/plugin versions")); in plugin_init()
861 error(G_("invalid seed value supplied for %s plugin"), plugin_name); in plugin_init()
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/linux/scripts/
H A DMakefile.gcc-plugins3 gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) += latent_entropy_plugin.so
4 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) \
11 # All the plugin CFLAGS are collected here in case a build target needs to
13 …trip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y)…
21 gcc-plugin-external-$(CONFIG_GCC_PLUGIN_RANDSTRUCT) \
23 gcc-plugin-external-$(CONFIG_GCC_PLUGIN_STACKLEAK) \
28 GCC_PLUGIN := $(gcc-plugin-y) $(gcc-plugin-external-y)
H A DMakefile.autofdo20 …= --mllvm=-enable-fs-discriminator=true --mllvm=-improved-fs-discriminator=true -plugin-opt=thinlto
21 KBUILD_LDFLAGS += -plugin-opt=-split-machine-functions
/linux/drivers/target/
H A DKconfig19 tristate "TCM/IBLOCK Subsystem Plugin for Linux/BLOCK"
22 Say Y here to enable the TCM/IBLOCK subsystem plugin for non-buffered
26 tristate "TCM/FILEIO Subsystem Plugin for Linux/VFS"
28 Say Y here to enable the TCM/FILEIO subsystem plugin for buffered
32 tristate "TCM/pSCSI Subsystem Plugin for Linux/SCSI"
35 Say Y here to enable the TCM/pSCSI subsystem plugin for non-buffered
39 tristate "TCM/USER Subsystem Plugin for Linux"
42 Say Y here to enable the TCM/USER subsystem plugin for a userspace
/linux/tools/testing/selftests/tc-testing/
H A DREADME52 execution by root uid has been moved into a plugin (see PLUGIN
60 by the plugin.
127 PLUGIN ARCHITECTURE
130 There is now a plugin architecture, and some of the functionality that
133 The plugins are in the directory plugin-lib. The are executed from
134 directory plugins. Put symbolic links from plugins to plugin-lib,
136 necessary if a test case being run requires a specific plugin to work.
142 lrwxrwxrwx 1 bjb bjb 27 Oct 4 16:12 10-rootPlugin.py -> ../plugin-lib/rootPlugin.py
143 lrwxrwxrwx 1 bjb bjb 25 Oct 12 17:55 20-nsPlugin.py -> ../plugin-lib/nsPlugin.py
178 To write a plugin, you need to inherit from TdcPlugin in
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H A DTODO.txt16 - A better implementation of the "hooks". Currently, every plugin
18 changed so that plugin __init__ methods will register functions to
19 be run in the various predefined times. Then if a plugin does not
/linux/Documentation/ABI/testing/
H A Dsysfs-ocfs235 A cluster plugin is required to use ocfs2 in a cluster.
40 * 'user' - A plugin supporting userspace cluster software
54 cluster plugin is currently in use by the filesystem.
55 The active plugin will appear in the loaded_cluster_plugins
56 file as well. Only one plugin can be used at a time.
58 Reading from this file returns the name of the active plugin
61 This file is read-only. Which plugin is active depends on
77 plugin is active. All other cluster stacks use the 'user'
78 cluster plugin.
/linux/Documentation/translations/zh_CN/kbuild/
H A Dgcc-plugins.rst32 .. [2] https://gcc.gnu.org/onlinedocs/gccint/Plugin-API.html#Plugin-API
85 apt-get install gcc-10-plugin-dev
89 dnf install gcc-plugin-devel libmpc-devel
103 gcc -print-file-name=plugin
104 CROSS_COMPILE=arm-linux-gnu- ${CROSS_COMPILE}gcc -print-file-name=plugin
106 "plugin" 这个词意味着它们没有被检测到::
108 plugin
112 /usr/lib/gcc/x86_64-redhat-linux/12/plugin
/linux/tools/testing/selftests/tc-testing/creating-plugins/
H A DAddingPlugins.txt8 A new plugin should be written in python as a class that inherits from TdcPlugin.
9 There are some examples in plugin-lib.
11 The plugin can be used to add functionality to the test framework,
49 defined in the test case, but if the plugin is being used to run extra
72 executed. The plugin can adjust the command, based on the stage of
100 The check_args method is so that the plugin can do validation on
104 eg: raise Exception('plugin xxx, arg -y is wrong, fix it')
/linux/tools/testing/selftests/tc-testing/plugin-lib/
H A DREADME-PLUGINS6 plugin-lib/
9 10-rootPlugin.py -> ../plugin-lib/rootPlugin.py
10 20-valgrindPlugin.py -> ../plugin-lib/valgrindPlugin.py
11 30-nsPlugin.py -> ../plugin-lib/nsPlugin.py
22 This plugin will write files to the cwd, called vgnd-xxx.log. These will contain
/linux/fs/ocfs2/
H A Dstackglue.c162 int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin) in ocfs2_stack_glue_register() argument
167 if (!ocfs2_stack_lookup(plugin->sp_name)) { in ocfs2_stack_glue_register()
168 plugin->sp_count = 0; in ocfs2_stack_glue_register()
169 plugin->sp_max_proto = locking_max_version; in ocfs2_stack_glue_register()
170 list_add(&plugin->sp_list, &ocfs2_stack_list); in ocfs2_stack_glue_register()
172 plugin->sp_name); in ocfs2_stack_glue_register()
176 plugin->sp_name); in ocfs2_stack_glue_register()
185 void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin) in ocfs2_stack_glue_unregister() argument
190 p = ocfs2_stack_lookup(plugin->sp_name); in ocfs2_stack_glue_unregister()
192 BUG_ON(p != plugin); in ocfs2_stack_glue_unregister()
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/linux/Documentation/sound/designs/
H A Djack-injection.rst8 Here jack injection means users could inject plugin or plugout events
13 in this case, we could inject plugin or plugout events to an audio
28 change the state by hardware events anymore, we could inject plugin or
154 write-only, inject plugin or plugout
156 - to inject plugin:
/linux/security/
H A DKconfig.hardening113 This plugin was ported from grsecurity/PaX. More information at:
123 stackleak plugin finds a function it thinks needs to be
324 One difference between the Clang and GCC plugin
326 plugin treats them as fully separate variables,
349 Use GCC plugin to randomize structure layout.
351 This plugin was ported from grsecurity/PaX. More
/linux/drivers/target/tcm_fc/
H A DKconfig3 tristate "TCM_FC fabric Plugin"
6 Say Y here to enable the TCM FC plugin for accessing FC fabrics in TCM

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