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value strings: pretty printers for flags and enums

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This adds zfs_valstr, a collection of pretty printers for bitfields and
enums. These are useful in debugging, logging and other display contexts
where raw values are difficult for the untrained (or even trained!) eye
to decipher.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
This commit is contained in:
Rob Norris
2024-02-29 11:25:24 +11:00
committed by Tony Hutter
parent d4d79451cb
commit 82ff9aafd6
11 changed files with 427 additions and 0 deletions
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lib/libzfs/Makefile.am
+1
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@@ -47,6 +47,7 @@ nodist_libzfs_la_SOURCES = \
module/zcommon/zfs_fletcher_superscalar4.c \
module/zcommon/zfs_namecheck.c \
module/zcommon/zfs_prop.c \
module/zcommon/zfs_valstr.c \
module/zcommon/zpool_prop.c \
module/zcommon/zprop_common.c
lib/libzfs/libzfs.abi
+51
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@@ -454,6 +454,13 @@
<elf-symbol name='zfs_userns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_userspace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valid_proplist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_flag_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_flag_pairs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_stage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_stage_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_valstr_zio_stage_pairs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_version_kernel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_version_nvlist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
<elf-symbol name='zfs_version_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes'/>
@@ -9831,6 +9838,50 @@
<return type-id='c19b74c3'/>
</function-decl>
</abi-instr>
<abi-instr address-size='64' path='module/zcommon/zfs_valstr.c' language='LANG_C99'>
<function-decl name='zfs_valstr_zio_flag' mangled-name='zfs_valstr_zio_flag' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_flag'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_flag_bits' mangled-name='zfs_valstr_zio_flag_bits' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_flag_bits'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_flag_pairs' mangled-name='zfs_valstr_zio_flag_pairs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_flag_pairs'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_stage' mangled-name='zfs_valstr_zio_stage' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_stage'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_stage_bits' mangled-name='zfs_valstr_zio_stage_bits' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_stage_bits'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_stage_pairs' mangled-name='zfs_valstr_zio_stage_pairs' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_stage_pairs'>
<parameter type-id='9c313c2d' name='bits'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
<function-decl name='zfs_valstr_zio_priority' mangled-name='zfs_valstr_zio_priority' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zfs_valstr_zio_priority'>
<parameter type-id='95e97e5e' name='v'/>
<parameter type-id='26a90f95' name='out'/>
<parameter type-id='b59d7dce' name='outlen'/>
<return type-id='b59d7dce'/>
</function-decl>
</abi-instr>
<abi-instr address-size='64' path='module/zcommon/zpool_prop.c' language='LANG_C99'>
<function-decl name='zpool_prop_string_to_index' mangled-name='zpool_prop_string_to_index' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zpool_prop_string_to_index'>
<parameter type-id='5d0c23fb' name='prop'/>
lib/libzpool/Makefile.am
+1
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@@ -64,6 +64,7 @@ nodist_libzpool_la_SOURCES = \
module/zcommon/zfs_fletcher_superscalar4.c \
module/zcommon/zfs_namecheck.c \
module/zcommon/zfs_prop.c \
module/zcommon/zfs_valstr.c \
module/zcommon/zpool_prop.c \
module/zcommon/zprop_common.c \
\