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/linux/drivers/leds/blink/
H A Dleds-lgm-sso.c133 struct regmap *mmap; member
222 regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val); in sso_led_freq_set()
229 regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val); in sso_led_freq_set()
245 regmap_write(priv->mmap, DUTY_CYCLE(desc->pin), brightness); in sso_led_brightness_set()
255 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), 0); in sso_led_brightness_set()
258 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), in sso_led_brightness_set()
316 regmap_update_bits(priv->mmap, SSO_CON2, BIT(led->desc.pin), in sso_led_blink_set()
332 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), in sso_led_hw_cfg()
337 regmap_update_bits(priv->mmap, SSO_CON3, BIT(desc->pin), in sso_led_hw_cfg()
341 regmap_write(priv->mmap, DUTY_CYCLE(desc->pin), desc->brightness); in sso_led_hw_cfg()
[all …]
/linux/tools/perf/arch/x86/util/
H A Devent.c36 size = sizeof(event->mmap) - sizeof(event->mmap.filename) + in perf_event__synthesize_extra_kmaps_cb()
42 event->mmap.header.type = PERF_RECORD_MMAP; in perf_event__synthesize_extra_kmaps_cb()
53 event->mmap.header.size = size; in perf_event__synthesize_extra_kmaps_cb()
55 event->mmap.start = map__start(map); in perf_event__synthesize_extra_kmaps_cb()
56 event->mmap.len = map__size(map); in perf_event__synthesize_extra_kmaps_cb()
57 event->mmap.pgoff = map__pgoff(map); in perf_event__synthesize_extra_kmaps_cb()
58 event->mmap.pid = args->machine->pid; in perf_event__synthesize_extra_kmaps_cb()
60 strlcpy(event->mmap.filename, kmap->name, PATH_MAX); in perf_event__synthesize_extra_kmaps_cb()
78 .event = zalloc(sizeof(args.event->mmap) + machine->id_hdr_size), in perf_event__synthesize_extra_kmaps()
/linux/tools/perf/util/
H A Dmmap.c40 size_t mmap__mmap_len(struct mmap *map) in mmap__mmap_len()
72 static int perf_mmap__aio_enabled(struct mmap *map) in perf_mmap__aio_enabled()
78 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
80 map->aio.data[idx] = mmap(NULL, mmap__mmap_len(map), PROT_READ|PROT_WRITE, in perf_mmap__aio_alloc()
90 static void perf_mmap__aio_free(struct mmap *map, int idx) in perf_mmap__aio_free()
98 static int perf_mmap__aio_bind(struct mmap *map, int idx, struct perf_cpu cpu, int affinity) in perf_mmap__aio_bind()
127 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
136 static void perf_mmap__aio_free(struct mmap *map, int idx) in perf_mmap__aio_free()
141 static int perf_mmap__aio_bind(struct mmap *map __maybe_unused, int idx __maybe_unused, in perf_mmap__aio_bind()
148 static int perf_mmap__aio_mmap(struct mmap *map, struct mmap_params *mp) in perf_mmap__aio_mmap()
[all …]
H A Dmmap.h4 #include <internal/mmap.h>
25 * struct mmap - perf's ring buffer mmap details
29 struct mmap { struct
52 int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu cpu); argument
53 void mmap__munmap(struct mmap *map);
55 union perf_event *perf_mmap__read_forward(struct mmap *map);
57 int perf_mmap__push(struct mmap *md, void *to,
58 int push(struct mmap *map, void *to, void *buf, size_t size));
60 size_t mmap__mmap_len(struct mmap *ma
30 coremmap global() argument
31 auxtrace_mmapmmap global() argument
40 affinity_maskmmap global() argument
[all...]
/linux/tools/testing/selftests/mm/
H A Dmap_fixed_noreplace.c31 addr = mmap(NULL, size, PROT_NONE, flags, -1, 0); in find_base_addr()
61 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
75 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
93 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
112 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
130 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
148 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
166 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
184 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
H A Dmerge.c29 self->carveout = mmap(NULL, 30 * self->page_size, PROT_NONE, in FIXTURE_SETUP()
62 ptr = mmap(&carveout[page_size], 10 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
113 ptr = mmap(&carveout[page_size], 10 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
163 ptr = mmap(&carveout[2 * page_size], 9 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
214 ptr = mmap(&carveout[2 * page_size], 9 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
273 ptr = mmap(&carveout[2 * page_size], 9 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
334 ptr = mmap(&carveout[page_size], 5 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
374 ptr2 = mmap(&ptr[5 * page_size], 5 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
398 ptr = mmap(&carveout[page_size], 5 * page_size, PROT_READ | PROT_WRITE, in TEST_F()
438 ptr2 = mmap(&carveout[6 * page_size], 5 * page_size, PROT_READ | PROT_WRITE | PROT_EXEC, in TEST_F()
[all …]
H A Dsoft-dirty.c54 map = mmap(NULL, pagesize, (PROT_READ | PROT_WRITE), (MAP_PRIVATE | MAP_ANON), -1, 0); in test_vma_reuse()
65 map2 = mmap(NULL, pagesize, (PROT_READ | PROT_WRITE), (MAP_PRIVATE | MAP_ANON), -1, 0); in test_vma_reuse()
142 map = mmap(NULL, pagesize, PROT_READ|PROT_WRITE, in test_mprotect()
154 map = mmap(NULL, pagesize, PROT_READ|PROT_WRITE, in test_mprotect()
201 reserved = mmap(NULL, 5 * pagesize, PROT_NONE, in test_merge()
215 map = mmap(&reserved[pagesize], pagesize, PROT_READ | PROT_WRITE, in test_merge()
232 map2 = mmap(&reserved[3 * pagesize], pagesize, PROT_READ | PROT_WRITE, in test_merge()
269 map = mmap(&reserved[pagesize], pagesize, PROT_READ | PROT_WRITE, in test_merge()
283 map2 = mmap(&reserved[2 * pagesize], pagesize, in test_merge()
H A Dmremap_dontunmap.c46 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
100 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple()
140 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_shmem()
190 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
196 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
247 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_partial_mapping()
300 mmap(NULL, 5 * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_partial_mapping_overwrite()
306 mmap(NULL, 10 * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_partial_mapping_overwrite()
355 mmap(NULL, page_size, PROT_READ | PROT_WRITE, in main()
H A Dmadv_populate.c35 addr = mmap(0, pagesize, PROT_READ | PROT_WRITE, in sense_support()
58 addr = mmap(0, SIZE, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); in test_prot_read()
79 addr = mmap(0, SIZE, PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); in test_prot_write()
100 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_holes()
170 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_populate_read()
192 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_populate_write()
242 addr = mmap(0, SIZE, PROT_READ | PROT_WRITE, in test_softdirty()
H A Dhugetlb-madvise.c96 addr = mmap(NULL, (NR_HUGE_PAGES + 2) * huge_page_size, in main()
138 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
176 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
206 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
265 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
305 addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
317 addr2 = mmap(NULL, NR_HUGE_PAGES * huge_page_size, in main()
H A Dmdwe_test.c219 self->p = mmap(NULL, self->size, PROT_READ | PROT_EXEC, self->flags, 0, 0); in TEST_F()
225 self->p = mmap(NULL, self->size, PROT_WRITE | PROT_EXEC, self->flags, 0, 0); in TEST_F()
237 self->p = mmap(NULL, self->size, PROT_READ | PROT_EXEC, self->flags, 0, 0); in TEST_F()
248 self->p = mmap(NULL, self->size, PROT_READ, self->flags, 0, 0); in TEST_F()
263 self->p = mmap(NULL, self->size, PROT_WRITE, self->flags, 0, 0); in TEST_F()
278 self->p = mmap(NULL, self->size, PROT_READ, self->flags, 0, 0); in TEST_F()
282 p = mmap(self->p, self->size, PROT_READ | PROT_EXEC, in TEST_F()
296 self->p = mmap(NULL, self->size, PROT_EXEC, self->flags, 0, 0); in TEST_F()
H A Dhugepage-mremap.c94 addr = mmap(NULL, len, PROT_READ | PROT_WRITE, in register_region_with_uffd()
135 void *haddr = mmap((void *)suggested_addr, length, PROTECTION, in main()
143 void *daddr = mmap((void *)suggested_addr, length, PROTECTION, in main()
151 mmap((void *)suggested_addr, length, PROTECTION, FLAGS, -1, 0); in main()
H A Dprocess_madv.c73 map = mmap(NULL, pagesize * 10, PROT_READ | PROT_WRITE, in TEST_F()
159 map = mmap(NULL, map_size, PROT_READ | PROT_WRITE, in TEST_F()
221 map = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, in TEST_F()
262 map = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, in TEST_F()
296 map = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, in TEST_F()
326 map = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, in TEST_F()
H A Dmremap_test.c110 remap_addr = mmap(addr, size, PROT_READ | PROT_WRITE, in is_remap_region_valid()
214 src_addr = mmap((void *) addr, c.region_size, PROT_READ | PROT_WRITE, in get_source_mapping()
259 start = mmap(NULL, 3 * page_size, PROT_READ | PROT_WRITE, in mremap_expand_merge()
299 start = mmap(NULL, 3 * page_size, PROT_READ | PROT_WRITE, in mremap_expand_merge_offset()
348 void *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, in mremap_move_within_range()
436 ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, in mremap_move_multiple_vmas()
444 tgt_ptr = mmap(NULL, 2 * size, PROT_READ | PROT_WRITE, in mremap_move_multiple_vmas()
514 if (mmap(tgt_ptr, size, PROT_NONE, in mremap_move_multiple_vmas()
558 ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, in mremap_shrink_multiple_vmas()
566 tgt_ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, in mremap_shrink_multiple_vmas()
[all …]
/linux/Documentation/devicetree/bindings/arm/
H A Dxen.txt31 xen,uefi-mmap-start | 64-bit | Guest physical address of the UEFI memory
34 xen,uefi-mmap-size | 32-bit | Size in bytes of the UEFI memory map
37 xen,uefi-mmap-desc-size | 32-bit | Size in bytes of each entry in the UEFI
40 xen,uefi-mmap-desc-ver | 32-bit | Version of the mmap descriptor format.
51 xen,uefi-mmap-start = <0xXXXXXXXX>;
52 xen,uefi-mmap-size = <0xXXXXXXXX>;
53 xen,uefi-mmap-desc-size = <0xXXXXXXXX>;
54 xen,uefi-mmap-desc-ver = <0xXXXXXXXX>;
/linux/tools/perf/tests/
H A Ddlfilter-test.c150 struct perf_record_mmap *mmap = (struct perf_record_mmap *)buf; in write_mmap() local
152 ssize_t sz = sizeof(*mmap) - sizeof(mmap->filename) + fsz; in write_mmap()
154 mmap->header.type = PERF_RECORD_MMAP; in write_mmap()
155 mmap->header.misc = PERF_RECORD_MISC_USER; in write_mmap()
156 mmap->header.size = sz; in write_mmap()
158 mmap->pid = pid; in write_mmap()
159 mmap->tid = tid; in write_mmap()
160 mmap->start = start; in write_mmap()
161 mmap->len = len; in write_mmap()
162 mmap->pgoff = pgoff; in write_mmap()
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dmmap.c55 tmp1 = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0); in test_mmap()
61 tmp1 = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rdmap_fd, 0); in test_mmap()
73 bss_mmaped = mmap(NULL, bss_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
81 map_mmaped = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
146 map_mmaped = mmap(NULL, map_sz, PROT_READ, MAP_SHARED, data_map_fd, 0); in test_mmap()
165 p = mmap(NULL, map_sz, flags, MAP_SHARED, data_map_fd, 0); in test_mmap()
180 tmp1 = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
200 tmp0 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, in test_mmap()
206 tmp1 = mmap(tmp0, 3 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED, in test_mmap()
221 tmp2 = mmap(tmp1 + page_size, page_size, PROT_READ, in test_mmap()
[all …]
/linux/tools/testing/selftests/perf_events/
H A Dmmap.c96 region = mmap(NULL, REGION_SIZE, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0); in FIXTURE_SETUP()
115 rb = mmap(region, RB_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, 0); in FIXTURE_SETUP()
134 aux = mmap(region + REGION_AUX_OFFS, AUX_SIZE, PROT_READ | PROT_WRITE, in FIXTURE_SETUP()
161 rb = mmap(region, RB_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, self->fd, 0); in FIXTURE_SETUP()
174 aux = mmap(region + REGION_AUX_OFFS, AUX_SIZE, PROT_READ | PROT_WRITE, in FIXTURE_SETUP()
201 tmp = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); in TEST_F()
228 ASSERT_EQ(mmap(self->ptr, HOLE_SIZE, PROT_READ | PROT_WRITE, in TEST_F()
230 ASSERT_EQ(mmap(self->ptr + HOLE_SIZE, HOLE_SIZE, PROT_READ | PROT_WRITE, in TEST_F()
232 ASSERT_EQ(mmap(self->ptr + size - HOLE_SIZE, HOLE_SIZE, PROT_READ | PROT_WRITE, in TEST_F()
/linux/Documentation/translations/zh_CN/mm/damon/
H A Ddesign.rst53 的mmap()区域之间的间隙，以及在大多数情况下最下面的mmap()区域和堆之间的间隙。因为这些间隙
58 <uppermost mmap()-ed region>
59 (small mmap()-ed regions and munmap()-ed regions)
60 <lowermost mmap()-ed region>
/linux/Documentation/translations/zh_CN/PCI/
H A Dsysfs-pci.rst56 resource0..N PCI资源N，如果存在的话 (binary, mmap, rw\ [1]_)
57 resource0_wc..N_wc PCI WC映射资源N，如果可预取的话 (binary, mmap)
70 mmap - 文件是可移动的
78 行操作（例如，改变配置空间，分离设备）。 mmapable文件可以通过偏移量为0的文件的mmap获得，
80 检查任何尝试的mmap的返回值。其中最值得注意的是I/O端口资源，它也提供读/写访问。
116 功能的通用实现。为了支持通过/proc/bus/pci中的文件实现mmap()的历史接口，平台也可以设置
/linux/Documentation/translations/zh_CN/mm/
H A Dhugetlbfs_reserv.rst22 持后不久，人们决定，在mmap()时检测巨页的短缺情况会更好。这个想法是，如果
23 没有足够的巨页来覆盖映射，mmap()将失败。这首先是在mmap()时在代码中做一个
25 样，代码随着时间的推移而不断发展。然而，基本的想法是在mmap()时 “预留”
85 留映射是在创建映射（mmap(MAP_PRIVATE)）时创建的。
93 当创建一个巨大的有页面支持的共享内存段（shmget(SHM_HUGETLB)）或通过mmap(MAP_HUGETLB)
101 hugetlb_reserve_pages()做的第一件事是检查在调用shmget()或mmap()时是否指定了NORESERVE
105 的长度。对于mmap()，offset参数可以用来指定进入底层文件的偏移量。在这种情况下，'from'和'to'
/linux/Documentation/userspace-api/media/dvb/
H A Ddmx-mmap.rst4 .. _dmx-mmap:
7 Digital TV mmap()
13 dmx-mmap - Map device memory into application address space
25 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
33 multiple of the pagesize and mmap will fail when the specified
56 :c:func:`mmap()` will fail. If ``MAP_FIXED`` is specified,
80 The :c:func:`mmap()` function asks to map ``length`` bytes starting at
94 On success :c:func:`mmap()` returns a pointer to the mapped buffer. On
/linux/Documentation/userspace-api/media/v4l/
H A Dfunc-mmap.rst4 .. _func-mmap:
7 V4L2 mmap()
13 v4l2-mmap - Map device memory into application address space
23 .. c:function:: void *mmap( void *start, size_t length, int prot, int flags, int fd, off_t offset )
31 multiple of the pagesize and mmap will fail when the specified
55 :c:func:`mmap()` function fails.
71 :c:func:`mmap()` will fail. If ``MAP_FIXED`` is specified,
101 The :c:func:`mmap()` function asks to map ``length`` bytes starting at
116 On success :c:func:`mmap()` returns a pointer to the mapped buffer. On
/linux/Documentation/mm/
H A Dprocess_addrs.rst45 * **mmap locks** - Each MM has a read/write semaphore :c:member:`!mmap_lock`
53 automatically when the mmap write lock is released). To take a VMA write lock
78 * Obtain an mmap read lock at the MM granularity via :c:func:`!mmap_read_lock` (or a
83 required to instead obtain an mmap read lock if this returns :c:macro:`!NULL`,
91 * Obtain an mmap write lock at the MM granularity via :c:func:`!mmap_write_lock` (or a
100 VMA locks are special in that you must obtain an mmap **write** lock **first**
117 mmap lock VMA lock rmap lock Stable? Read? Write most? Write all?
127 .. warning:: While it's possible to obtain a VMA lock while holding an mmap read lock,
129 another task already holds an mmap write lock and attempts to acquire a VMA
157 :c:member:`!vm_start` Inclusive start virtual address of range mmap write,
[all …]
/linux/tools/testing/selftests/ring-buffer/
H A Dmap_test.c96 map = mmap(NULL, page_size, PROT_READ, MAP_SHARED, desc->cpu_fd, 0); in tracefs_cpu_map()
224 data = mmap(NULL, data_len, PROT_READ, MAP_SHARED, in TEST_F()
231 data = mmap(NULL, data_len, PROT_READ, MAP_SHARED, in TEST_F()
238 data = mmap(NULL, data_len, PROT_READ, MAP_SHARED, in TEST_F()
244 data = mmap(NULL, data_len, PROT_READ, MAP_SHARED, in TEST_F()
251 data = mmap(NULL, data_len, in TEST_F()

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