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/linux/include/uapi/cxl/
H A Dfeatures.h29 * @count: bytes of Feature data to return in output
30 * @start_idx: index of first requested Supported Feature Entry, 0 based.
34 * Input block for Get support Feature
57 * struct cxl_feat_entry - Supported Feature Entry
58 * @uuid: UUID of the Feature
59 * @id: id to identify the feature. 0 based
60 * @get_feat_size: max bytes required for Get Feature command for this Feature
61 * @set_feat_size: max bytes required for Set Feature command for this Feature
63 * @get_feat_ver: Get Feature version
64 * @set_feat_ver: Set Feature version
[all …]
/linux/Documentation/arch/x86/
H A Dcpuinfo.rst4 x86 Feature Flags
10 The list of feature flags in /proc/cpuinfo is not complete and
11 represents an ill-fated attempt from long time ago to put feature flags
14 However, the amount of feature flags is growing by the CPU generation,
17 What is more, those feature flags do not even need to be in that file
21 And even if it doesn't show a particular feature flag - although the CPU
24 feature and figure out if it is supported or not, regardless of whether
32 kernel has *enabled* and *supports*. As in: the CPUID feature flag is
38 So, if users want to know if a feature is available on a given system,
42 * the kernel knows about the feature enough to have an X86_FEATURE bit
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/linux/Documentation/devicetree/bindings/powerpc/
H A Dibm,powerpc-cpu-features.txt24 Description: Container of CPU feature nodes.
51 compatibility, less the individual feature nodes. For example, an ISA v3.0
66 /cpus/ibm,powerpc-cpu-features/example-feature node bindings
69 Each child node of cpu-features represents a CPU feature / capability.
71 Node: A string describing an architected CPU feature, e.g., "floating-point".
73 Description: A feature or capability supported by the CPUs.
79 Presence of the node indicates the feature is available.
88 First level of the Power ISA that the feature appears in.
105 that can use the feature.
119 feature to lesser privilege levels. If the property does not exist then no
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/linux/Documentation/hid/
H A Dhid-sensor.rst70 functions, which get and set each input/feature/output report.
121 Set Feature report::
126 This interface is used to set a value for a field in feature report. For example
177 │   │   ├── feature-0-200316
178 │   │   │   ├── feature-0-200316-maximum
179 │   │   │   ├── feature-0-200316-minimum
180 │   │   │   ├── feature-0-200316-name
181 │   │   │   ├── feature-0-200316-size
182 │   │   │   ├── feature-0-200316-unit-expo
183 │   │   │   ├── feature-0-200316-units
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/linux/arch/powerpc/include/asm/
H A Dcpu_has_feature.h10 static __always_inline bool early_cpu_has_feature(unsigned long feature) in early_cpu_has_feature() argument
12 return !!((CPU_FTRS_ALWAYS & feature) || in early_cpu_has_feature()
13 (CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature)); in early_cpu_has_feature()
23 static __always_inline bool cpu_has_feature(unsigned long feature) in cpu_has_feature() argument
27 BUILD_BUG_ON(!__builtin_constant_p(feature)); in cpu_has_feature()
28 BUILD_BUG_ON(__builtin_popcountl(feature) > 1); in cpu_has_feature()
34 return early_cpu_has_feature(feature); in cpu_has_feature()
38 if (CPU_FTRS_ALWAYS & feature) in cpu_has_feature()
41 if (!(CPU_FTRS_POSSIBLE & feature)) in cpu_has_feature()
44 i = __builtin_ctzl(feature); in cpu_has_feature()
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H A Dmmu.h31 * Supports KUAP feature
38 * Supports KUEP feature
125 /* MMU feature bit sets for various CPUs */
221 static __always_inline bool early_mmu_has_feature(unsigned long feature) in early_mmu_has_feature() argument
223 if (MMU_FTRS_ALWAYS & feature) in early_mmu_has_feature()
226 return !!(MMU_FTRS_POSSIBLE & cur_cpu_spec->mmu_features & feature); in early_mmu_has_feature()
238 static __always_inline bool mmu_has_feature(unsigned long feature) in mmu_has_feature() argument
242 BUILD_BUG_ON(!__builtin_constant_p(feature)); in mmu_has_feature()
243 BUILD_BUG_ON(__builtin_popcountl(feature) > 1); in mmu_has_feature()
249 return early_mmu_has_feature(feature); in mmu_has_feature()
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/linux/Documentation/ABI/testing/
H A Dsysfs-block-device34 - If the device does not support the unload heads feature,
41 ATA standard, but support the unload feature nonetheless.
44 does support the unload feature, then you can tell the kernel
59 command queueing) priority support. By default this feature is
61 priority feature, writing "1" to this file results in an error
72 (HBA) implementing support for the SATA NCQ priority feature.
74 support for the SATA NCQ priority feature, regardless of the
75 device support for this feature (see sas_ncq_prio_supported).
84 command queueing) priority feature.
94 (HBA) implementing support for the SATA NCQ priority feature.
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/linux/drivers/gpu/drm/amd/pm/inc/
H A Dsmu_v13_0_0_pptable.h65 …URE_GFXCLK_LIMITS = 1 << SMU_13_0_0_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
66 …ATURE_UCLK_LIMITS = 1 << SMU_13_0_0_ODCAP_UCLK_LIMITS, //UCLK Limit feature
67 …TURE_POWER_LIMIT = 1 << SMU_13_0_0_ODCAP_POWER_LIMIT, //Power Limit feature
68 …FAN_ACOUSTIC_LIMIT = 1 << SMU_13_0_0_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
69 …AN_SPEED_MIN = 1 << SMU_13_0_0_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
70 …FAN = 1 << SMU_13_0_0_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
71 …_SYSTEM = 1 << SMU_13_0_0_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
72 …MEMORY_TIMING_TUNE = 1 << SMU_13_0_0_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
73 …FEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_13_0_0_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
74 …V_ENGINE = 1 << SMU_13_0_0_ODCAP_AUTO_UV_ENGINE, //Auto Under Volt GFXCLK feature
[all …]
/linux/drivers/gpu/drm/amd/pm/swsmu/inc/
H A Dsmu_v13_0_7_pptable.h65 …URE_GFXCLK_LIMITS = 1 << SMU_13_0_7_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
66 …ATURE_UCLK_LIMITS = 1 << SMU_13_0_7_ODCAP_UCLK_LIMITS, //UCLK Limit feature
67 …TURE_POWER_LIMIT = 1 << SMU_13_0_7_ODCAP_POWER_LIMIT, //Power Limit feature
68 …FAN_ACOUSTIC_LIMIT = 1 << SMU_13_0_7_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
69 …AN_SPEED_MIN = 1 << SMU_13_0_7_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
70 …FAN = 1 << SMU_13_0_7_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
71 …_SYSTEM = 1 << SMU_13_0_7_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
72 …MEMORY_TIMING_TUNE = 1 << SMU_13_0_7_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
73 …FEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_13_0_7_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
74 …V_ENGINE = 1 << SMU_13_0_7_ODCAP_AUTO_UV_ENGINE, //Auto Under Volt GFXCLK feature
[all …]
H A Dsmu_v11_0_7_pptable.h65 …TURE_GFXCLK_LIMITS = 1 << SMU_11_0_7_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
66 …TURE_GFXCLK_CURVE = 1 << SMU_11_0_7_ODCAP_GFXCLK_CURVE, //GFXCLK Curve feature
67 …EATURE_UCLK_LIMITS = 1 << SMU_11_0_7_ODCAP_UCLK_LIMITS, //UCLK Limit feature
68 …ATURE_POWER_LIMIT = 1 << SMU_11_0_7_ODCAP_POWER_LIMIT, //Power Limit feature
69 …_FAN_ACOUSTIC_LIMIT = 1 << SMU_11_0_7_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
70 …FAN_SPEED_MIN = 1 << SMU_11_0_7_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
71 …_FAN = 1 << SMU_11_0_7_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
72 …E_SYSTEM = 1 << SMU_11_0_7_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
73 …_MEMORY_TIMING_TUNE = 1 << SMU_11_0_7_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
74 …DFEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_11_0_7_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
[all …]
H A Dsmu_v11_0_pptable.h62 …FEATURE_GFXCLK_LIMITS = 1 << SMU_11_0_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
63 …FEATURE_GFXCLK_CURVE = 1 << SMU_11_0_ODCAP_GFXCLK_CURVE, //GFXCLK Curve feature
64 …ODFEATURE_UCLK_MAX = 1 << SMU_11_0_ODCAP_UCLK_MAX, //UCLK Limit feature
65 …DFEATURE_POWER_LIMIT = 1 << SMU_11_0_ODCAP_POWER_LIMIT, //Power Limit feature
66 …URE_FAN_ACOUSTIC_LIMIT = 1 << SMU_11_0_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
67 …RE_FAN_SPEED_MIN = 1 << SMU_11_0_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
68 …URE_FAN = 1 << SMU_11_0_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
69 …TURE_SYSTEM = 1 << SMU_11_0_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
70 …URE_MEMORY_TIMING_TUNE = 1 << SMU_11_0_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
71 …0_ODFEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_11_0_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
[all …]
H A Dsmu_v13_0_pptable.h62 …FEATURE_GFXCLK_LIMITS = 1 << SMU_13_0_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
63 …FEATURE_GFXCLK_CURVE = 1 << SMU_13_0_ODCAP_GFXCLK_CURVE, //GFXCLK Curve feature
64 …ODFEATURE_UCLK_MAX = 1 << SMU_13_0_ODCAP_UCLK_MAX, //UCLK Limit feature
65 …DFEATURE_POWER_LIMIT = 1 << SMU_13_0_ODCAP_POWER_LIMIT, //Power Limit feature
66 …URE_FAN_ACOUSTIC_LIMIT = 1 << SMU_13_0_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
67 …RE_FAN_SPEED_MIN = 1 << SMU_13_0_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
68 …URE_FAN = 1 << SMU_13_0_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
69 …TURE_SYSTEM = 1 << SMU_13_0_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
70 …URE_MEMORY_TIMING_TUNE = 1 << SMU_13_0_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
71 …0_ODFEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_13_0_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
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/linux/tools/testing/selftests/net/
H A Dnetdevice.sh132 while read -r FEATURE VALUE FIXED; do
133 [ "$FEATURE" != "Features" ] || continue # Skip "Features"
135 feature="${FEATURE%:*}"
137 ethtool --offload "$netdev" "$feature" off
139 echo "PASS: $netdev: Turned off feature: $feature"
141 echo "FAIL: $netdev: Failed to turn off feature:" \
142 "$feature"
145 ethtool --offload "$netdev" "$feature" on
147 echo "PASS: $netdev: Turned on feature: $feature"
149 echo "FAIL: $netdev: Failed to turn on feature:" \
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/linux/drivers/gpu/drm/imagination/
H A Dpvr_rogue_fwif_client.h102 /* Only used when feature VDM_DRAWINDIRECT present. */
104 /* Only used when feature VDM_DRAWINDIRECT present. */
113 /* Only used when feature VDM_OBJECT_LEVEL_LLS present. */
121 /* Only used when feature TESSELLATION present */
180 /* Only used when feature S7_TOP_INFRASTRUCTURE present. */
190 /* Only used when feature CLUSTER_GROUPING present. */
200 /* Only used when feature GPU_MULTICORE_SUPPORT or BRN 47217 present. */
203 /* Only used when feature ZLS_SUBTILE present. */
206 /* Only used when feature ISP_ZLS_D24_S8_PACKING_OGL_MODE present. */
218 * Only used when feature FBCDC_ALGORITHM present and value < 3 or feature
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/linux/tools/testing/selftests/hid/tests/
H A Ddescriptors_wacom.py197 0xB1, 0x02, # . Feature (Variable),
202 0xB1, 0x02, # . Feature (Variable),
207 0xB1, 0x02, # . Feature (Variable),
212 0xB1, 0x02, # . Feature (Variable),
214 0xB1, 0x03, # . Feature (Constant, Variable),
224 0xB1, 0x02, # . Feature (Variable),
227 0xB1, 0x03, # . Feature (Constant, Variable),
237 0xB1, 0x03, # . Feature (Constant, Variable),
246 0xB1, 0x02, # . Feature (Variable),
251 0xB1, 0x02, # . Feature (Variable),
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/linux/fs/overlayfs/
H A DKconfig16 bool "Overlayfs: turn on redirect directory feature by default"
27 feature will have unexpected results.
47 bool "Overlayfs: turn on inodes index feature by default"
56 The inodes index feature prevents breaking of lower hardlinks on copy
59 Note, that the inodes index feature is not backward compatible.
61 that doesn't support this feature will have unexpected results.
66 bool "Overlayfs: turn on NFS export feature by default"
77 The NFS export feature creates an index on copy up of every file and
84 Note, that the NFS export feature is not backward compatible.
86 that doesn't support this feature will have unexpected results.
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/linux/drivers/hwtracing/coresight/
H A Dcoresight-config.h27 * flags defining what device class a feature will match to when processing a
45 * Parameter descriptor for a device feature.
58 * Used as a descriptor in the feature descriptors.
59 * Used as a value in when in a feature loading into a csdev.
89 * Device feature descriptor - combination of registers and parameters to
92 * @name: feature name.
93 * @description: brief description of the feature.
156 * config register instance - part of a loaded feature.
159 * @reg_desc: value to use when setting feature on device / store for
170 * config parameter instance - part of a loaded feature.
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/linux/drivers/mtd/nand/raw/
H A Dnand_macronix.c52 u8 feature[ONFI_SUBFEATURE_PARAM_LEN]; in macronix_nand_setup_read_retry() local
59 feature[0] = mode; in macronix_nand_setup_read_retry()
60 return nand_set_features(chip, ONFI_FEATURE_ADDR_READ_RETRY, feature); in macronix_nand_setup_read_retry()
65 u8 feature[ONFI_SUBFEATURE_PARAM_LEN]; in macronix_nand_randomizer_check_enable() local
69 feature); in macronix_nand_randomizer_check_enable()
73 if (feature[0]) in macronix_nand_randomizer_check_enable()
74 return feature[0]; in macronix_nand_randomizer_check_enable()
76 feature[0] = MACRONIX_RANDOMIZER_MODE_ENTER; in macronix_nand_randomizer_check_enable()
78 feature); in macronix_nand_randomizer_check_enable()
83 feature[0] = 0x0; in macronix_nand_randomizer_check_enable()
[all …]
/linux/Documentation/fpga/
H A Ddfl.rst2 FPGA Device Feature List (DFL) Framework Overview
12 The Device Feature List (DFL) FPGA framework (and drivers according to
20 Device Feature List (DFL) Overview
22 Device Feature List (DFL) defines a linked list of feature headers within the
32 +----------+ | | Feature | | | Feature | | | Feature |
38 +----------+ | | Feature | | Feature | | Feature |
66 Feature Header (Next_DFH) pointer.
68 Each FIU, AFU and Private Feature could implement its own functional registers.
70 e.g. FME Header Register Set, and the one for Private Feature, is named as
71 Feature Register Set, e.g. FME Partial Reconfiguration Feature Register Set.
[all …]
/linux/include/linux/
H A Dcpufeature.h17 * - cpu_feature(x) ordinal value of feature called 'x'
18 * - cpu_have_feature(u32 n) whether feature #n is available
19 * - MAX_CPU_FEATURES upper bound for feature ordinal values
34 * Use module_cpu_feature_match(feature, module_init_function) to
36 * a) the module shall be probed upon discovery of CPU feature 'feature'
38 * b) the module must not be loaded if CPU feature 'feature' is not present
41 * For a list of legal values for 'feature', please consult the file
46 { { .feature = cpu_feature(x) }, { } }; \
/linux/tools/perf/
H A DMakefile.config121 # Set per-feature check compilation flags
295 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
353 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
355 include $(srctree)/tools/build/Makefile.feature
360 ifeq ($(feature-stackprotector-all), 1)
365 ifeq ($(feature-fortify-source), 1)
395 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
399 ifeq ($(feature-pthread-barrier), 1)
405 ifeq ($(feature-bionic), 1)
414 ifeq ($(feature-eventfd), 1)
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/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_kms.c219 fw_info->feature = adev->vce.fb_version; in amdgpu_firmware_info()
223 fw_info->feature = 0; in amdgpu_firmware_info()
227 fw_info->feature = 0; in amdgpu_firmware_info()
231 fw_info->feature = 0; in amdgpu_firmware_info()
235 fw_info->feature = adev->gfx.me_feature_version; in amdgpu_firmware_info()
239 fw_info->feature = adev->gfx.pfp_feature_version; in amdgpu_firmware_info()
243 fw_info->feature = adev->gfx.ce_feature_version; in amdgpu_firmware_info()
247 fw_info->feature = adev->gfx.rlc_feature_version; in amdgpu_firmware_info()
251 fw_info->feature = adev->gfx.rlc_srlc_feature_version; in amdgpu_firmware_info()
255 fw_info->feature = adev->gfx.rlc_srlg_feature_version; in amdgpu_firmware_info()
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/linux/Documentation/trace/coresight/
H A Dcoresight-config.rst32 A feature is a named set of programming for a CoreSight device. The programming
36 The feature is defined using a descriptor. This descriptor is used to load onto
37 a matching device, either when the feature is loaded into the system, or when the
43 and efficient for the feature to be programmed onto the device when required.
45 The feature will not be active on the device until the feature is enabled, and
49 A feature is enabled as part of a configuration being enabled on the system.
56 feature being enabled that can adjust the behaviour of the operation programmed
57 by the feature.
60 at a given rate. When the feature is enabled then the current value of the
63 The feature descriptor defines a default value for a parameter, which is used
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/linux/Documentation/ABI/stable/
H A Dsysfs-driver-firmware-zynqmp132 The supported config ids are for the feature configuration is,
134 disable the over temperature feature.
138 the external watchdog feature.
140 external watchdog feature.
144 Select over temperature config ID to enable/disable feature
158 Select external watchdog config ID to enable/disable feature
196 The supported config ids are for the feature configuration is,
198 disable the over temperature feature.
202 the external watchdog feature.
204 external watchdog feature.
[all …]
/linux/arch/loongarch/include/asm/
H A Dalternative.h15 u16 feature; /* feature bit set for replacement */ member
60 #define ALTINSTR_ENTRY(feature, num) \ argument
63 " .short " __stringify(feature) "\n" /* feature bit */ \
67 #define ALTINSTR_REPLACEMENT(newinstr, feature, num) /* replacement */ \ argument
71 #define ALTERNATIVE(oldinstr, newinstr, feature) \ argument
74 ALTINSTR_ENTRY(feature, 1) \
77 ALTINSTR_REPLACEMENT(newinstr, feature, 1) \
103 #define alternative(oldinstr, newinstr, feature) \ argument
104 (asm volatile (ALTERNATIVE(oldinstr, newinstr, feature) : : : "memory"))

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