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Searched refs:idr (Results 1 – 25 of 139) sorted by relevance

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/linux/tools/testing/radix-tree/
H A Didr-test.c25 void item_idr_remove(struct idr *idr, int id) in item_idr_remove() argument
27 struct item *item = idr_find(idr, id); in item_idr_remove()
29 idr_remove(idr, id); in item_idr_remove()
36 DEFINE_IDR(idr); in idr_alloc_test()
38 assert(idr_alloc_cyclic(&idr, DUMMY_PTR, 0, 0x4000, GFP_KERNEL) == 0); in idr_alloc_test()
39 assert(idr_alloc_cyclic(&idr, DUMMY_PTR, 0x3ffd, 0x4000, GFP_KERNEL) == 0x3ffd); in idr_alloc_test()
40 idr_remove(&idr, 0x3ffd); in idr_alloc_test()
41 idr_remove(&idr, 0); in idr_alloc_test()
52 id = idr_alloc_cyclic(&idr, item, 1, 0x4000, GFP_KERNEL); in idr_alloc_test()
56 idr_for_each(&idr, item_idr_free, &idr); in idr_alloc_test()
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H A DMakefile5 TARGETS = main idr-test multiorder xarray maple
8 regression3.o regression4.o tag_check.o multiorder.o idr-test.o \
18 idr-test.o: ../../../lib/test_ida.c
19 idr-test: idr-test.o $(CORE_OFILES)
28 $(RM) $(TARGETS) *.o radix-tree.c idr.c generated/*
H A D.gitignore5 idr.c
6 idr-test
/linux/include/linux/
H A Didr.h20 struct idr { struct
57 #define DEFINE_IDR(name) struct idr name = IDR_INIT(name)
67 static inline unsigned int idr_get_cursor(const struct idr *idr) in idr_get_cursor() argument
69 return READ_ONCE(idr->idr_next); in idr_get_cursor()
80 static inline void idr_set_cursor(struct idr *idr, unsigned int val) in idr_set_cursor() argument
82 WRITE_ONCE(idr->idr_next, val); in idr_set_cursor()
102 #define idr_lock(idr) xa_lock(&(idr)->idr_rt) argument
103 #define idr_unlock(idr) xa_unlock(&(idr)->idr_rt) argument
104 #define idr_lock_bh(idr) xa_lock_bh(&(idr)->idr_rt) argument
105 #define idr_unlock_bh(idr) xa_unlock_bh(&(idr)->idr_rt) argument
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H A Dpowercap.h66 struct idr idr; member
143 struct idr idr; member
144 struct idr *parent_idr;
/linux/lib/
H A Didr.c33 int idr_alloc_u32(struct idr *idr, void *ptr, u32 *nextid, in idr_alloc_u32() argument
38 unsigned int base = idr->idr_base; in idr_alloc_u32()
41 if (WARN_ON_ONCE(!(idr->idr_rt.xa_flags & ROOT_IS_IDR))) in idr_alloc_u32()
42 idr->idr_rt.xa_flags |= IDR_RT_MARKER; in idr_alloc_u32()
48 slot = idr_get_free(&idr->idr_rt, &iter, gfp, max - base); in idr_alloc_u32()
54 radix_tree_iter_replace(&idr->idr_rt, &iter, slot, ptr); in idr_alloc_u32()
55 radix_tree_iter_tag_clear(&idr->idr_rt, &iter, IDR_FREE); in idr_alloc_u32()
81 int idr_alloc(struct idr *idr, void *ptr, int start, int end, gfp_t gfp) in idr_alloc() argument
89 ret = idr_alloc_u32(idr, ptr, &id, end > 0 ? end - 1 : INT_MAX, gfp); in idr_alloc()
119 int idr_alloc_cyclic(struct idr *idr, void *ptr, int start, int end, gfp_t gfp) in idr_alloc_cyclic() argument
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/linux/Documentation/translations/zh_CN/core-api/
H A Didr.rst5 :Original: Documentation/core-api/idr.rst
66 IDR同步的相关内容请见include/linux/idr.h文件中的“DOC: idr sync”。
71 IDA的用法的相关内容请见lib/idr.c文件中的“DOC: IDA description”。
78 include/linux/idr.h
80 lib/idr.c
/linux/drivers/reset/
H A Dreset-ti-sci.c40 struct idr idr; member
72 control = idr_find(&data->idr, id); in ti_sci_reset_set()
153 control = idr_find(&data->idr, id); in ti_sci_reset_status()
201 return idr_alloc(&data->idr, control, 0, 0, GFP_KERNEL); in ti_sci_reset_of_xlate()
231 idr_init(&data->idr); in ti_sci_reset_probe()
244 idr_destroy(&data->idr); in ti_sci_reset_remove()
/linux/fs/notify/inotify/
H A Dinotify_user.c346 idr_set_cursor(&data->idr, (unsigned int)arg); in inotify_ioctl()
394 static int inotify_add_to_idr(struct idr *idr, spinlock_t *idr_lock, in inotify_add_to_idr() argument
402 ret = idr_alloc_cyclic(idr, i_mark, 1, 0, GFP_NOWAIT); in inotify_add_to_idr()
417 struct idr *idr = &group->inotify_data.idr; in inotify_idr_find_locked() local
423 i_mark = idr_find(idr, wd); in inotify_idr_find_locked()
455 struct idr *idr = &group->inotify_data.idr; in inotify_remove_from_idr() local
506 idr_remove(idr, wd); in inotify_remove_from_idr()
596 struct idr *idr = &group->inotify_data.idr; in inotify_new_watch() local
608 ret = inotify_add_to_idr(idr, idr_lock, tmp_i_mark); in inotify_new_watch()
679 idr_init(&group->inotify_data.idr); in inotify_new_group()
/linux/drivers/irqchip/
H A Dirq-gic-v5-irs.c682 u32 spi_count, idr = irs_readl_relaxed(irs_data, GICV5_IRS_IDR2); in gicv5_irs_init() local
684 if (WARN(!FIELD_GET(GICV5_IRS_IDR2_LPI, idr), in gicv5_irs_init()
689 idr = irs_readl_relaxed(irs_data, GICV5_IRS_IDR7); in gicv5_irs_init()
690 irs_data->spi_min = FIELD_GET(GICV5_IRS_IDR7_SPI_BASE, idr); in gicv5_irs_init()
692 idr = irs_readl_relaxed(irs_data, GICV5_IRS_IDR6); in gicv5_irs_init()
693 irs_data->spi_range = FIELD_GET(GICV5_IRS_IDR6_SPI_IRS_RANGE, idr); in gicv5_irs_init()
701 idr = irs_readl_relaxed(irs_data, GICV5_IRS_IDR0); in gicv5_irs_init()
702 gicv5_global_data.virt_capable = !FIELD_GET(GICV5_IRS_IDR0_VIRT, idr); in gicv5_irs_init()
704 idr = irs_readl_relaxed(irs_data, GICV5_IRS_IDR1); in gicv5_irs_init()
705 irs_setup_pri_bits(idr); in gicv5_irs_init()
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/linux/fs/smb/server/
H A Dvfs_cache.c81 idr_for_each_entry(global_ft.idr, fp, id) { in proc_show_files()
419 idr_remove(global_ft.idr, fp->persistent_id); in __ksmbd_remove_durable_fd()
441 idr_remove(ft->idr, fp->volatile_id); in __ksmbd_remove_fd()
499 fp = idr_find(ft->idr, id); in __ksmbd_lookup_fd()
535 fp = idr_find(ft->idr, id); in ksmbd_close_fd()
648 idr_for_each_entry(global_ft.idr, fp, id) { in ksmbd_lookup_fd_cguid()
711 ret = idr_alloc_cyclic(ft->idr, fp, 0, INT_MAX - 1, GFP_NOWAIT); in __open_id()
799 fp = idr_get_next(ft->idr, &id); in __close_file_table_ids()
813 idr_remove(ft->idr, fp->volatile_id); in __close_file_table_ids()
870 if (idr_is_empty(global_ft.idr)) in ksmbd_durable_scavenger_alive()
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/linux/sound/soc/qcom/qdsp6/
H A Dq6apm.h64 struct idr graph_idr;
65 struct idr graph_info_idr;
66 struct idr sub_graphs_idr;
67 struct idr containers_idr;
68 struct idr modules_idr;
/linux/include/drm/
H A Ddrm_auth.h64 struct idr magic_map;
121 struct idr leases;
129 struct idr lessee_idr;
/linux/drivers/tee/optee/
H A Dsupp.c27 idr_init(&supp->idr); in optee_supp_init()
35 idr_destroy(&supp->idr); in optee_supp_uninit()
47 idr_for_each_entry(&supp->idr, req, id) { in optee_supp_release()
48 idr_remove(&supp->idr, id); in optee_supp_release()
156 *id = idr_alloc(&supp->idr, req, 1, 0, GFP_KERNEL); in supp_pop_entry()
296 req = idr_find(&supp->idr, id); in supp_pop_req()
303 idr_remove(&supp->idr, id); in supp_pop_req()
/linux/drivers/gpu/drm/vc4/
H A Dvc4_perfmon.c99 perfmon = idr_find(&vc4file->perfmon.idr, id); in vc4_perfmon_find()
114 idr_init_base(&vc4file->perfmon.idr, VC4_PERFMONID_MIN); in vc4_perfmon_open_file()
140 idr_for_each(&vc4file->perfmon.idr, vc4_perfmon_idr_del, vc4); in vc4_perfmon_close_file()
141 idr_destroy(&vc4file->perfmon.idr); in vc4_perfmon_close_file()
188 ret = idr_alloc(&vc4file->perfmon.idr, perfmon, VC4_PERFMONID_MIN, in vc4_perfmon_create_ioctl()
218 perfmon = idr_remove(&vc4file->perfmon.idr, req->id); in vc4_perfmon_destroy_ioctl()
/linux/drivers/gpu/drm/vmwgfx/
H A Dttm_object.c97 struct idr idr; member
203 ret = idr_alloc(&tdev->idr, base, 1, 0, GFP_NOWAIT); in ttm_base_object_init()
219 idr_remove(&tdev->idr, base->handle); in ttm_base_object_init()
231 idr_remove(&tdev->idr, base->handle); in ttm_release_base()
281 base = idr_find(&tdev->idr, key); in ttm_base_object_lookup_for_ref()
440 idr_init_base(&tdev->idr, VMWGFX_NUM_MOB + 1); in ttm_object_device_init()
453 WARN_ON_ONCE(!idr_is_empty(&tdev->idr)); in ttm_object_device_release()
454 idr_destroy(&tdev->idr); in ttm_object_device_release()
/linux/kernel/
H A Dpid.c44 #include <linux/idr.h>
74 .idr = IDR_INIT(init_pid_ns.idr),
140 idr_remove(&ns->idr, upid->nr); in free_pid()
243 nr = idr_alloc(&tmp->idr, NULL, tid, in alloc_pid()
258 if (idr_get_cursor(&tmp->idr) > RESERVED_PIDS) in alloc_pid()
265 nr = idr_alloc_cyclic(&tmp->idr, NULL, pid_min, in alloc_pid()
320 idr_replace(&upid->ns->idr, pid, upid->nr); in find_pid_ns()
338 idr_remove(&upid->ns->idr, upid->nr);
343 idr_set_cursor(&ns->idr, in attach_pid()
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H A Dpid_namespace.c100 idr_init(&ns->idr); in create_pid_namespace()
132 idr_destroy(&ns->idr); in create_pid_namespace()
157 idr_destroy(&ns->idr); in destroy_pid_namespace()
228 idr_for_each_entry_continue(&pid_ns->idr, pid, nr) { in zap_pid_ns_processes()
296 next = idr_get_cursor(&pid_ns->idr) - 1; in pid_ns_ctl_handler()
302 idr_set_cursor(&pid_ns->idr, next + 1); in pid_ns_ctl_handler()
/linux/tools/testing/shared/
H A Dshared.mk11 SHARED_OFILES = xarray-shared.o radix-tree.o idr.o linux.o $(LIBS)
22 ../../../include/linux/idr.h \
50 idr.c: ../../../lib/idr.c
/linux/drivers/gpu/drm/v3d/
H A Dv3d_perfmon.c294 perfmon = idr_find(&v3d_priv->perfmon.idr, id); in v3d_perfmon_find()
304 idr_init_base(&v3d_priv->perfmon.idr, 1); in v3d_perfmon_open_file()
329 idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, v3d); in v3d_perfmon_close_file()
330 idr_destroy(&v3d_priv->perfmon.idr); in v3d_perfmon_close_file()
369 ret = idr_alloc(&v3d_priv->perfmon.idr, perfmon, V3D_PERFMONID_MIN, in v3d_perfmon_create_ioctl()
393 perfmon = idr_remove(&v3d_priv->perfmon.idr, req->id); in v3d_perfmon_destroy_ioctl()
/linux/Documentation/core-api/
H A Didr.rst69 .. kernel-doc:: include/linux/idr.h
70 :doc: idr sync
75 .. kernel-doc:: lib/idr.c
81 .. kernel-doc:: include/linux/idr.h
83 .. kernel-doc:: lib/idr.c
/linux/drivers/tee/
H A Dtee_shm.c163 id = idr_alloc(&teedev->idr, NULL, 1, 0, GFP_KERNEL); in tee_shm_alloc_user_buf()
171 idr_remove(&teedev->idr, id); in tee_shm_alloc_user_buf()
177 ret = idr_replace(&teedev->idr, shm, id); in tee_shm_alloc_user_buf()
241 ref->shm.id = idr_alloc(&ref->shm.ctx->teedev->idr, &ref->shm, in tee_shm_register_fd()
537 id = idr_alloc(&teedev->idr, NULL, 1, 0, GFP_KERNEL); in tee_shm_register_user_buf()
546 idr_remove(&teedev->idr, id); in tee_shm_register_user_buf()
552 ret = idr_replace(&teedev->idr, shm, id); in tee_shm_register_user_buf()
701 shm = idr_find(&teedev->idr, id); in tee_shm_get_from_id()
738 idr_remove(&teedev->idr, shm->id); in tee_shm_put()
/linux/drivers/powercap/
H A Dpowercap_sys.c397 idr_destroy(&power_zone->idr); in powercap_release()
411 idr_destroy(&control_type->idr); in powercap_release()
513 power_zone->parent_idr = &control_type->idr; in powercap_register_zone()
516 power_zone->parent_idr = &parent->idr; in powercap_register_zone()
527 idr_init(&power_zone->idr); in powercap_register_zone()
626 idr_init(&control_type->idr); in powercap_register_control_type()
638 idr_destroy(&control_type->idr); in powercap_register_control_type()
/linux/drivers/counter/
H A D104-quad-8.c64 u8 idr[QUAD8_NUM_COUNTERS]; member
394 synchronous_mode = u8_get_bits(priv->idr[id], INDEX_MODE) == ENABLE_INDEX_MODE; in quad8_function_write()
396 ret = quad8_control_register_update(priv->map, priv->idr, id, DISABLE_INDEX_MODE, in quad8_function_write()
603 *index_polarity = u8_get_bits(priv->idr[channel_id], INDEX_POLARITY); in quad8_index_polarity_get()
619 ret = quad8_control_register_update(priv->map, priv->idr, channel_id, index_polarity, in quad8_index_polarity_set()
666 *synchronous_mode = u8_get_bits(priv->idr[channel_id], INDEX_MODE); in quad8_synchronous_mode_get()
684 quadrature_mode = u8_get_bits(priv->idr[channel_id], QUADRATURE_MODE); in quad8_synchronous_mode_set()
690 ret = quad8_control_register_update(priv->map, priv->idr, channel_id, synchronous_mode, in quad8_synchronous_mode_set()
1278 priv->idr[channel] = SELECT_IDR | u8_encode_bits(DISABLE_INDEX_MODE, INDEX_MODE) | in quad8_init_counter()
1280 return regmap_write(priv->map, QUAD8_CONTROL(channel), priv->idr[channel]); in quad8_init_counter()
/linux/drivers/resctrl/
H A Dmpam_devices.c676 if (FIELD_GET(MPAMF_IDR_HAS_CCAP_PART, ris->idr)) { in mpam_ris_hw_probe()
699 if (FIELD_GET(MPAMF_IDR_HAS_CPOR_PART, ris->idr)) { in mpam_ris_hw_probe()
708 if (FIELD_GET(MPAMF_IDR_HAS_MBW_PART, ris->idr)) { in mpam_ris_hw_probe()
729 if (FIELD_GET(MPAMF_IDR_HAS_PRI_PART, ris->idr)) { in mpam_ris_hw_probe()
748 if (FIELD_GET(MPAMF_IDR_HAS_MSMON, ris->idr)) { in mpam_ris_hw_probe()
825 if (FIELD_GET(MPAMF_IDR_HAS_PARTID_NRW, ris->idr) && in mpam_ris_hw_probe()
837 u64 idr; in mpam_msc_hw_probe() local
845 idr = __mpam_read_reg(msc, MPAMF_AIDR); in mpam_msc_hw_probe()
846 if ((idr & MPAMF_AIDR_ARCH_MAJOR_REV) != MPAM_ARCHITECTURE_V1) { in mpam_msc_hw_probe()
853 idr = mpam_msc_read_idr(msc); in mpam_msc_hw_probe()
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