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/linux/drivers/usb/typec/ucsi/
H A Ddebugfs.c28 memset(&ucsi->debugfs->response, 0, sizeof(ucsi->debugfs->response)); in ucsi_cmd()
29 ucsi->debugfs->status = 0; in ucsi_cmd()
57 &ucsi->debugfs->response, in ucsi_cmd()
58 sizeof(ucsi->debugfs->response)); in ucsi_cmd()
65 ucsi->debugfs->status = ret; in ucsi_cmd()
77 if (ucsi->debugfs->status) in ucsi_resp_show()
78 return ucsi->debugfs->status; in ucsi_resp_show()
80 seq_printf(s, "0x%016llx%016llx\n", ucsi->debugfs->response.high, in ucsi_resp_show()
81 ucsi->debugfs->response.low); in ucsi_resp_show()
115 ucsi->debugfs = kzalloc_obj(*ucsi->debugfs); in ucsi_debugfs_register()
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/linux/Documentation/translations/zh_TW/filesystems/
H A Ddebugfs.rst5 :Original: Documentation/filesystems/debugfs.rst
25 信息。也不像sysfs,具有嚴格的“每個文件一個值“的規則。debugfs根本沒有規則,開發
26 人員可以在這裏放置他們想要的任何信息。debugfs文件系統也不能用作穩定的ABI接口。
27 從理論上講，debugfs導出文件的時候沒有任何約束。但是[1]實際情況並不總是那麼
28 簡單。即使是debugfs接口，也最好根據需要進行設計,並儘量保持接口不變。
33 mount -t debugfs none /sys/kernel/debug
36 debugfs根目錄默認僅可由root用戶訪問。要更改對文件樹的訪問，請使用“ uid”，“ gid”
37 和“ mode”掛載選項。請注意，debugfs API僅按照GPL協議導出到模塊。
39 使用debugfs的代碼應包含<linux/debugfs.h>。然後，首先是創建至少一個目錄來保存
40 一組debugfs文件::
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/linux/Documentation/translations/zh_CN/filesystems/
H A Ddebugfs.rst5 :Original: Documentation/filesystems/debugfs.rst
24 信息。也不像sysfs,具有严格的“每个文件一个值“的规则。debugfs根本没有规则,开发
25 人员可以在这里放置他们想要的任何信息。debugfs文件系统也不能用作稳定的ABI接口。
26 从理论上讲，debugfs导出文件的时候没有任何约束。但是[1]实际情况并不总是那么
27 简单。即使是debugfs接口，也最好根据需要进行设计,并尽量保持接口不变。
32 mount -t debugfs none /sys/kernel/debug
35 debugfs根目录默认仅可由root用户访问。要更改对文件树的访问，请使用“ uid”，“ gid”
36 和“ mode”挂载选项。请注意，debugfs API仅按照GPL协议导出到模块。
38 使用debugfs的代码应包含<linux/debugfs.h>。然后，首先是创建至少一个目录来保存
39 一组debugfs文件::
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/linux/tools/testing/selftests/drivers/net/virtio_net/
H A Dvirtio_net_common.sh62 local debugfs=`virtio_debugfs_get $dev`
64 if [ ! -f "$debugfs/device_features" ] ||
65 [ ! -f "$debugfs/filter_feature_add" ] ||
66 [ ! -f "$debugfs/filter_feature_del" ] ||
67 [ ! -f "$debugfs/filter_features" ] ||
68 [ ! -f "$debugfs/filter_features_clear" ]; then
78 local debugfs=`virtio_debugfs_get $dev`
80 cat $debugfs/device_features |grep "^$feature$" &> /dev/null
87 local debugfs=`virtio_debugfs_get $dev`
89 echo "1" > $debugfs/filter_features_clear
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/linux/net/bluetooth/
H A Dhci_debugfs.c317 debugfs_create_file("features", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
319 debugfs_create_u16("manufacturer", 0444, hdev->debugfs, in hci_debugfs_create_common()
321 debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver); in hci_debugfs_create_common()
322 debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev); in hci_debugfs_create_common()
323 debugfs_create_u8("hardware_error", 0444, hdev->debugfs, in hci_debugfs_create_common()
325 debugfs_create_file("device_id", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
328 debugfs_create_file("device_list", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
330 debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
332 debugfs_create_file("blocked_keys", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
334 debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); in hci_debugfs_create_common()
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/linux/drivers/memory/tegra/
H A Dtegra186-emc.c33 } debugfs; member
97 *rate = emc->debugfs.min_rate; in tegra186_emc_debug_min_rate_get()
114 emc->debugfs.min_rate = rate; in tegra186_emc_debug_min_rate_set()
127 *rate = emc->debugfs.max_rate; in tegra186_emc_debug_max_rate_get()
144 emc->debugfs.max_rate = rate; in tegra186_emc_debug_max_rate_set()
177 emc->debugfs.min_rate = ULONG_MAX; in tegra186_emc_get_emc_dvfs_latency()
178 emc->debugfs.max_rate = 0; in tegra186_emc_get_emc_dvfs_latency()
192 if (emc->dvfs[i].rate < emc->debugfs.min_rate) in tegra186_emc_get_emc_dvfs_latency()
193 emc->debugfs.min_rate = emc->dvfs[i].rate; in tegra186_emc_get_emc_dvfs_latency()
195 if (emc->dvfs[i].rate > emc->debugfs.max_rate) in tegra186_emc_get_emc_dvfs_latency()
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H A Dtegra20-emc.c213 } debugfs; member
847 *rate = emc->debugfs.min_rate; in tegra20_emc_debug_min_rate_get()
864 emc->debugfs.min_rate = rate; in tegra20_emc_debug_min_rate_set()
877 *rate = emc->debugfs.max_rate; in tegra20_emc_debug_max_rate_get()
894 emc->debugfs.max_rate = rate; in tegra20_emc_debug_max_rate_set()
909 emc->debugfs.min_rate = ULONG_MAX; in tegra20_emc_debugfs_init()
910 emc->debugfs.max_rate = 0; in tegra20_emc_debugfs_init()
913 if (emc->timings[i].rate < emc->debugfs.min_rate) in tegra20_emc_debugfs_init()
914 emc->debugfs.min_rate = emc->timings[i].rate; in tegra20_emc_debugfs_init()
916 if (emc->timings[i].rate > emc->debugfs.max_rate) in tegra20_emc_debugfs_init()
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H A Dtegra124-emc.c502 } debugfs; member
1180 *rate = emc->debugfs.min_rate; in tegra124_emc_debug_min_rate_get()
1197 emc->debugfs.min_rate = rate; in tegra124_emc_debug_min_rate_set()
1210 *rate = emc->debugfs.max_rate; in tegra124_emc_debug_max_rate_get()
1227 emc->debugfs.max_rate = rate; in tegra124_emc_debug_max_rate_set()
1241 emc->debugfs.min_rate = ULONG_MAX; in emc_debugfs_init()
1242 emc->debugfs.max_rate = 0; in emc_debugfs_init()
1245 if (emc->timings[i].rate < emc->debugfs.min_rate) in emc_debugfs_init()
1246 emc->debugfs.min_rate = emc->timings[i].rate; in emc_debugfs_init()
1248 if (emc->timings[i].rate > emc->debugfs.max_rate) in emc_debugfs_init()
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/linux/net/mac80211/
H A Ddebugfs_key.c318 debugfs_create_file(#name, 0400, key->debugfs.dir, \
321 debugfs_create_file(#name, 0600, key->debugfs.dir, \
330 if (!key->local->debugfs.keys) in ieee80211_debugfs_key_add()
334 key->debugfs.cnt = keycount; in ieee80211_debugfs_key_add()
336 key->debugfs.dir = debugfs_create_dir(buf, in ieee80211_debugfs_key_add()
337 key->local->debugfs.keys); in ieee80211_debugfs_key_add()
343 key->debugfs.stalink = in ieee80211_debugfs_key_add()
344 debugfs_create_symlink("station", key->debugfs.dir, buf); in ieee80211_debugfs_key_add()
366 debugfs_remove_recursive(key->debugfs.dir); in ieee80211_debugfs_key_remove()
367 key->debugfs.dir = NULL; in ieee80211_debugfs_key_remove()
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/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_debugfs.c75 struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); in nouveau_debugfs_pstate_get() local
80 if (!debugfs) in nouveau_debugfs_pstate_get()
83 ctrl = &debugfs->ctrl; in nouveau_debugfs_pstate_get()
147 struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); in nouveau_debugfs_pstate_set() local
152 if (!debugfs) in nouveau_debugfs_pstate_set()
191 ret = nvif_mthd(&debugfs->ctrl, NVIF_CONTROL_PSTATE_USER, in nouveau_debugfs_pstate_set()
298 drm->debugfs = kzalloc_obj(*drm->debugfs); in nouveau_debugfs_init()
299 if (!drm->debugfs) in nouveau_debugfs_init()
304 &drm->debugfs->ctrl); in nouveau_debugfs_init()
310 if (drm->debugfs && drm->debugfs->ctrl.priv) in nouveau_debugfs_fini()
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/linux/arch/sh/mm/
H A DMakefile24 debugfs-y := asids-debugfs.o
26 debugfs-$(CONFIG_CPU_SH4) += cache-debugfs.o
30 debugfs-$(CONFIG_CPU_SH4) += tlb-debugfs.o
37 obj-$(CONFIG_DEBUG_FS) += $(debugfs-y)
/linux/samples/rust/
H A Drust_debugfs.rs37 debugfs::{
150 let debugfs = Dir::new(c"sample_debugfs"); in new() localVariable
155 _compatible <- debugfs.read_only_file( in new()
162 counter <- Self::build_counter(&debugfs), in new()
163 inner <- Self::build_inner(&debugfs), in new()
164 array_blob <- debugfs.read_write_binary_file( in new()
168 vector_blob <- debugfs.read_write_binary_file( in new()
172 _debugfs: debugfs, in new()
/linux/Documentation/filesystems/
H A Ddebugfs.rst13 debugfs has no rules at all. Developers can put any information they want
14 there. The debugfs filesystem is also intended to not serve as a stable
17 even debugfs interfaces are best designed with the idea that they will need
22 mount -t debugfs none /sys/kernel/debug
25 The debugfs root directory is accessible only to the root user by
29 Note that the debugfs API is exported GPL-only to modules.
31 Code using debugfs should include <linux/debugfs.h>. Then, the first order
33 debugfs files::
39 created in the debugfs root. On success, the return value is a struct
43 indication that the kernel has been built without debugfs support and none
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/linux/drivers/vdpa/mlx5/net/
H A Ddebug.c20 if (ndev->debugfs) in mlx5_vdpa_remove_tirn()
42 if (ndev->debugfs) in mlx5_vdpa_remove_rx_flow_table()
133 if (node->dent && ndev->debugfs) in mlx5_vdpa_remove_rx_counters()
143 ndev->debugfs = debugfs_create_dir(dev_name(&ndev->mvdev.vdev.dev), in mlx5_vdpa_add_debugfs()
145 if (!IS_ERR(ndev->debugfs)) in mlx5_vdpa_add_debugfs()
146 ndev->rx_dent = debugfs_create_dir("rx", ndev->debugfs); in mlx5_vdpa_add_debugfs()
151 debugfs_remove_recursive(ndev->debugfs); in mlx5_vdpa_remove_debugfs()
152 ndev->debugfs = NULL; in mlx5_vdpa_remove_debugfs()
/linux/drivers/soundwire/
H A Dintel_ace2x_debugfs.c130 struct dentry *root = sdw->cdns.bus.debugfs; in intel_ace2x_debugfs_init()
135 sdw->debugfs = debugfs_create_dir("intel-sdw", root); in intel_ace2x_debugfs_init()
137 debugfs_create_file("intel-registers", 0400, sdw->debugfs, sdw, in intel_ace2x_debugfs_init()
140 debugfs_create_file("intel-m-datamode", 0200, sdw->debugfs, sdw, in intel_ace2x_debugfs_init()
143 debugfs_create_file("intel-s-datamode", 0200, sdw->debugfs, sdw, in intel_ace2x_debugfs_init()
146 sdw_cdns_debugfs_init(&sdw->cdns, sdw->debugfs); in intel_ace2x_debugfs_init()
151 debugfs_remove_recursive(sdw->debugfs); in intel_ace2x_debugfs_exit()
/linux/Documentation/ABI/obsolete/
H A Dautomount-tracefs-debugfs8 into the debugfs file system under the "tracing" directory. Access
10 access to the tracing interface without having to enable debugfs, a
15 debugfs, the tracefs file system would automatically get mounted in
16 the "tracing" directory of debugfs. The tracefs interface was added
20 directory in debugfs should be removed by January 2030.
/linux/Documentation/fault-injection/
H A Dprovoke-crashes.rst12 support via debugfs.
16 inserting the module, or through the debugfs interface.
36 These are numerous, and best queried directly from debugfs. Some
46 You can also induce failures by mounting debugfs and writing the type to
47 <debugfs>/provoke-crash/<crashpoint>. E.g.::
49 mount -t debugfs debugfs /sys/kernel/debug
/linux/drivers/pci/controller/dwc/
H A Dpcie-designware-debugfs.c190 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in lane_detect_read()
209 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in lane_detect_write()
228 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in rx_valid_read()
254 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in err_inj_write()
325 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in counter_enable_read()
348 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in counter_enable_write()
389 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in counter_lane_read()
409 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in counter_lane_write()
432 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in counter_value_read()
505 struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; in dwc_pcie_rasdes_debugfs_deinit()
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/linux/Documentation/gpu/amdgpu/
H A Dras.rst6 debugfs (for error injection).
8 RAS debugfs/sysfs Control and Error Injection Interfaces
12 :doc: AMDGPU RAS debugfs control interface
26 RAS EEPROM debugfs Interface
30 :doc: AMDGPU RAS debugfs EEPROM table reset interface
48 The test verifies the RAS feature enabled status and makes sure the necessary sysfs and debugfs fil…
/linux/drivers/net/wireless/ti/wl1251/
H A Ddebugfs.c41 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
46 debugfs_remove(wl->debugfs.name); \
47 wl->debugfs.name = NULL; \
73 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
431 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
432 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
433 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
434 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
451 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); in wl1251_debugfs_init()
453 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", in wl1251_debugfs_init()
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/linux/Documentation/dev-tools/kunit/
H A Drun_manual.rst58 debugfs chapter
61 KUnit can be accessed from userspace via the debugfs filesystem (See more
62 information about debugfs at Documentation/filesystems/debugfs.rst).
64 If ``CONFIG_KUNIT_DEBUGFS`` is enabled, the KUnit debugfs filesystem is
71 You can use debugfs to retrieve KUnit test results. The test results are
72 accessible from the debugfs filesystem in the following read-only file:
84 You can use the debugfs filesystem to trigger built-in tests to run after
90 echo "any string" > /sys/kernel/debugfs/kunit/<test_suite>/run
/linux/drivers/hwspinlock/
H A Dsun6i_hwspinlock.c33 struct dentry *debugfs; member
51 priv->debugfs = debugfs_create_dir(DRIVER_NAME, NULL); in sun6i_hwspinlock_debugfs_init()
52 debugfs_create_file("supported", 0444, priv->debugfs, priv, &hwlocks_supported_fops); in sun6i_hwspinlock_debugfs_init()
86 debugfs_remove_recursive(priv->debugfs); in sun6i_hwspinlock_disable()
171 if (IS_ERR(priv->debugfs)) in sun6i_hwspinlock_probe()
172 priv->debugfs = NULL; in sun6i_hwspinlock_probe()
/linux/drivers/media/platform/amphion/
H A Dvpu_dbg.c443 if (!vpu->debugfs) in vpu_inst_create_dbgfs_file()
446 if (inst->debugfs) in vpu_inst_create_dbgfs_file()
450 inst->debugfs = debugfs_create_file((const char *)name, in vpu_inst_create_dbgfs_file()
452 vpu->debugfs, in vpu_inst_create_dbgfs_file()
464 debugfs_remove(inst->debugfs); in vpu_inst_remove_dbgfs_file()
465 inst->debugfs = NULL; in vpu_inst_remove_dbgfs_file()
479 if (!vpu->debugfs) in vpu_core_create_dbgfs_file()
482 if (!core->debugfs) { in vpu_core_create_dbgfs_file()
484 core->debugfs = debugfs_create_file((const char *)name, in vpu_core_create_dbgfs_file()
486 vpu->debugfs, in vpu_core_create_dbgfs_file()
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/linux/drivers/gpu/drm/panfrost/
H A Dpanfrost_gem.c38 bo->debugfs.creator.tgid = current->tgid; in panfrost_gem_debugfs_bo_add()
39 get_task_comm(bo->debugfs.creator.process_name, current->group_leader); in panfrost_gem_debugfs_bo_add()
41 mutex_lock(&pfdev->debugfs.gems_lock); in panfrost_gem_debugfs_bo_add()
42 list_add_tail(&bo->debugfs.node, &pfdev->debugfs.gems_list); in panfrost_gem_debugfs_bo_add()
43 mutex_unlock(&pfdev->debugfs.gems_lock); in panfrost_gem_debugfs_bo_add()
50 if (list_empty(&bo->debugfs.node)) in panfrost_gem_debugfs_bo_rm()
53 mutex_lock(&pfdev->debugfs.gems_lock); in panfrost_gem_debugfs_bo_rm()
54 list_del_init(&bo->debugfs.node); in panfrost_gem_debugfs_bo_rm()
55 mutex_unlock(&pfdev->debugfs.gems_lock); in panfrost_gem_debugfs_bo_rm()
696 "%s/%d", bo->debugfs.creator.process_name, bo->debugfs.creator.tgid); in panfrost_gem_debugfs_bo_print()
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/linux/drivers/gpu/drm/i915/gvt/
H A Ddebugfs.c182 vgpu->debugfs = debugfs_create_dir(name, vgpu->gvt->debugfs_root); in intel_gvt_debugfs_add_vgpu()
184 debugfs_create_file("mmio_diff", 0444, vgpu->debugfs, vgpu, in intel_gvt_debugfs_add_vgpu()
186 debugfs_create_file_unsafe("scan_nonprivbb", 0644, vgpu->debugfs, vgpu, in intel_gvt_debugfs_add_vgpu()
188 debugfs_create_file_unsafe("status", 0644, vgpu->debugfs, vgpu, in intel_gvt_debugfs_add_vgpu()
202 debugfs_remove_recursive(vgpu->debugfs); in intel_gvt_debugfs_remove_vgpu()
203 vgpu->debugfs = NULL; in intel_gvt_debugfs_remove_vgpu()

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