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Searched refs:pread (Results 1 - 25 of 54) sorted by relevance

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/kernel/linux/linux-5.10/drivers/media/dvb-core/
H A Ddvb_ringbuffer.c40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
60 return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_empty()
74 free = READ_ONCE(rbuf->pread) - rbuf->pwrite; in dvb_ringbuffer_free()
90 avail = smp_load_acquire(&rbuf->pwrite) - rbuf->pread; in dvb_ringbuffer_avail()
106 smp_store_release(&rbuf->pread, smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_flush()
116 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_reset()
138 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read_user()
140 if (copy_to_user(buf, rbuf->data+rbuf->pread, split)) in dvb_ringbuffer_read_user()
148 smp_store_release(&rbuf->pread, in dvb_ringbuffer_read_user()
[all...]
/kernel/linux/linux-6.6/drivers/media/dvb-core/
H A Ddvb_ringbuffer.c40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
60 return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_empty()
74 free = READ_ONCE(rbuf->pread) - rbuf->pwrite; in dvb_ringbuffer_free()
90 avail = smp_load_acquire(&rbuf->pwrite) - rbuf->pread; in dvb_ringbuffer_avail()
106 smp_store_release(&rbuf->pread, smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_flush()
116 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_reset()
138 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read_user()
140 if (copy_to_user(buf, rbuf->data+rbuf->pread, split)) in dvb_ringbuffer_read_user()
148 smp_store_release(&rbuf->pread, in dvb_ringbuffer_read_user()
[all...]
/kernel/linux/linux-5.10/tools/testing/selftests/intel_pstate/
H A Daperf.c66 pread(fd, &old_tsc, sizeof(old_tsc), 0x10); in main()
67 pread(fd, &old_aperf, sizeof(old_mperf), 0xe7); in main()
68 pread(fd, &old_mperf, sizeof(old_aperf), 0xe8); in main()
78 pread(fd, &new_tsc, sizeof(new_tsc), 0x10); in main()
79 pread(fd, &new_aperf, sizeof(new_mperf), 0xe7); in main()
80 pread(fd, &new_mperf, sizeof(new_aperf), 0xe8); in main()
H A Dmsr.c36 pread(fd, &msr, sizeof(msr), 0x199); in main()
/kernel/linux/linux-6.6/tools/testing/selftests/intel_pstate/
H A Daperf.c66 pread(fd, &old_tsc, sizeof(old_tsc), 0x10); in main()
67 pread(fd, &old_aperf, sizeof(old_mperf), 0xe7); in main()
68 pread(fd, &old_mperf, sizeof(old_aperf), 0xe8); in main()
78 pread(fd, &new_tsc, sizeof(new_tsc), 0x10); in main()
79 pread(fd, &new_aperf, sizeof(new_mperf), 0xe7); in main()
80 pread(fd, &new_mperf, sizeof(new_aperf), 0xe8); in main()
H A Dmsr.c36 pread(fd, &msr, sizeof(msr), 0x199); in main()
/kernel/linux/linux-5.10/include/media/
H A Ddvb_ringbuffer.h34 * @pread: next position to read
44 ssize_t pread; member
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
/kernel/linux/linux-6.6/include/media/
H A Ddvb_ringbuffer.h34 * @pread: next position to read
44 ssize_t pread; member
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
/kernel/liteos_m/testsuites/unittest/posix/src/fs/api/
H A Dposix_fs_pread_test.c35 * @tc.name pread
47 ret = pread(fd, readBuf, TEST_BUF_SIZE, 0);
62 * @tc.name pread
74 ret = pread(fd, readBuf, TEST_BUF_SIZE, 0);
90 * @tc.name pread
102 ret = pread(fd, readBuf, TEST_BUF_SIZE, 0);
/kernel/linux/linux-6.6/tools/testing/selftests/mm/
H A Dksm_functional_tests.c77 read_size = pread(proc_self_ksm_stat_fd, buf, sizeof(buf) - 1, 0); in get_my_ksm_zero_pages()
101 ret = pread(proc_self_ksm_merging_pages_fd, buf, sizeof(buf) - 1, 0); in get_my_merging_pages()
114 ret = pread(ksm_full_scans_fd, buf, sizeof(buf) - 1, 0); in ksm_get_full_scans()
H A Dsplit_huge_page_test.c40 pread(pagemap_file, &paddr, sizeof(paddr), in is_backed_by_thp()
44 pread(kpageflags_file, &page_flags, sizeof(page_flags), in is_backed_by_thp()
H A Dvm_util.c25 ret = pread(fd, &entry, sizeof(entry), pfn * sizeof(entry)); in pagemap_get_entry()
169 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
/kernel/linux/linux-6.6/tools/testing/selftests/proc/
H A Dproc-uptime.h45 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/kernel/linux/linux-6.6/tools/testing/selftests/kvm/
H A Dkvm_binary_stats_test.c46 ret = pread(stats_fd, id, header.name_size, sizeof(header)); in stats_test()
158 ret = pread(stats_fd, stats_data, size_data, header.data_offset); in stats_test()
H A Daccess_tracking_perf_test.c84 TEST_ASSERT(pread(fd, &value, sizeof(value), offset) == sizeof(value), in pread_uint64()
85 "pread from %s offset 0x%" PRIx64 " failed!", in pread_uint64()
/kernel/linux/linux-5.10/tools/testing/selftests/proc/
H A Dproc-uptime.h33 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/kernel/linux/linux-6.6/tools/lib/perf/
H A Dlib.c46 ssize_t ret = pread(fd, buf, left, offs); in preadn()
/kernel/linux/linux-5.10/tools/testing/selftests/vm/
H A Dtranshuge-stress.c46 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
/kernel/linux/linux-5.10/drivers/gpu/drm/i915/gem/
H A Di915_gem_object_types.h59 int (*pread)(struct drm_i915_gem_object *obj, member
H A Di915_gem_phys.c199 .pread = phys_pread,
/kernel/liteos_a/fs/vfs/operation/
H A Dvfs_readv.c78 : pread(fd, buf, buflen, *offset); in pread_buf_and_check()
/kernel/linux/linux-5.10/tools/hv/
H A Dhv_fcopy_daemon.c218 len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); in main()
220 syslog(LOG_ERR, "pread failed: %s", strerror(errno)); in main()
/kernel/linux/linux-6.6/drivers/gpu/drm/i915/gem/
H A Di915_gem_object_types.h84 int (*pread)(struct drm_i915_gem_object *obj, member
/kernel/uniproton/src/fs/
H A Dfs.c187 ssize_t pread(int fd, void *buf, size_t nbyte, off_t offset) in pread() function
/kernel/linux/linux-6.6/tools/hv/
H A Dhv_fcopy_daemon.c218 len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); in main()
220 syslog(LOG_ERR, "pread failed: %s", strerror(errno)); in main()

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