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Searched refs:read_offset (Results 1 - 25 of 78) sorted by relevance

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/kernel/linux/linux-5.10/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_log.c215 unsigned int buffer_size, read_offset, write_offset, bytes_to_copy, full_cnt; in guc_read_update_log_buffer() local
257 read_offset = log_buf_state_local.read_ptr; in guc_read_update_log_buffer()
286 read_offset = 0; in guc_read_update_log_buffer()
288 } else if (unlikely((read_offset > buffer_size) || in guc_read_update_log_buffer()
292 read_offset = 0; in guc_read_update_log_buffer()
297 if (read_offset > write_offset) { in guc_read_update_log_buffer()
299 bytes_to_copy = buffer_size - read_offset; in guc_read_update_log_buffer()
301 bytes_to_copy = write_offset - read_offset; in guc_read_update_log_buffer()
303 i915_memcpy_from_wc(dst_data + read_offset, in guc_read_update_log_buffer()
304 src_data + read_offset, bytes_to_cop in guc_read_update_log_buffer()
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/kernel/linux/linux-5.10/arch/powerpc/platforms/cell/
H A Daxon_msi.c71 u32 read_offset; member
106 while (msic->read_offset != write_offset && retry < 100) { in axon_msi_cascade()
107 idx = msic->read_offset / sizeof(__le32); in axon_msi_cascade()
112 write_offset, msic->read_offset, msi); in axon_msi_cascade()
136 msic->read_offset += MSIC_FIFO_ENTRY_SIZE; in axon_msi_cascade()
137 msic->read_offset &= MSIC_FIFO_SIZE_MASK; in axon_msi_cascade()
143 msic->read_offset += MSIC_FIFO_ENTRY_SIZE; in axon_msi_cascade()
144 msic->read_offset &= MSIC_FIFO_SIZE_MASK; in axon_msi_cascade()
402 msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG) in axon_msi_probe()
/kernel/linux/linux-6.6/arch/powerpc/platforms/cell/
H A Daxon_msi.c72 u32 read_offset; member
107 while (msic->read_offset != write_offset && retry < 100) { in axon_msi_cascade()
108 idx = msic->read_offset / sizeof(__le32); in axon_msi_cascade()
113 write_offset, msic->read_offset, msi); in axon_msi_cascade()
137 msic->read_offset += MSIC_FIFO_ENTRY_SIZE; in axon_msi_cascade()
138 msic->read_offset &= MSIC_FIFO_SIZE_MASK; in axon_msi_cascade()
144 msic->read_offset += MSIC_FIFO_ENTRY_SIZE; in axon_msi_cascade()
145 msic->read_offset &= MSIC_FIFO_SIZE_MASK; in axon_msi_cascade()
398 msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG) in axon_msi_probe()
/kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_log.c377 unsigned int buffer_size, read_offset, write_offset, bytes_to_copy, full_cnt; in _guc_log_copy_debuglogs_for_relay() local
421 read_offset = log_buf_state_local.read_ptr; in _guc_log_copy_debuglogs_for_relay()
450 read_offset = 0; in _guc_log_copy_debuglogs_for_relay()
452 } else if (unlikely((read_offset > buffer_size) || in _guc_log_copy_debuglogs_for_relay()
456 read_offset = 0; in _guc_log_copy_debuglogs_for_relay()
461 if (read_offset > write_offset) { in _guc_log_copy_debuglogs_for_relay()
463 bytes_to_copy = buffer_size - read_offset; in _guc_log_copy_debuglogs_for_relay()
465 bytes_to_copy = write_offset - read_offset; in _guc_log_copy_debuglogs_for_relay()
467 i915_memcpy_from_wc(dst_data + read_offset, in _guc_log_copy_debuglogs_for_relay()
468 src_data + read_offset, bytes_to_cop in _guc_log_copy_debuglogs_for_relay()
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H A Dintel_guc_capture.c1299 unsigned int buffer_size, read_offset, write_offset, full_count; in __guc_capture_process_output() local
1320 read_offset = log_buf_state_local.read_ptr; in __guc_capture_process_output()
1332 read_offset = 0; in __guc_capture_process_output()
1334 } else if (unlikely((read_offset > buffer_size) || in __guc_capture_process_output()
1337 read_offset, buffer_size); in __guc_capture_process_output()
1339 read_offset = 0; in __guc_capture_process_output()
1344 buf.rd = read_offset; in __guc_capture_process_output()
/kernel/linux/linux-5.10/drivers/fsi/
H A Dfsi-occ.c63 size_t read_offset; member
112 if (WARN_ON_ONCE(client->read_offset > client->data_size)) { in occ_read()
118 rc = min(len, client->data_size - client->read_offset); in occ_read()
119 if (copy_to_user(buf, client->buffer + client->read_offset, rc)) in occ_read()
122 client->read_offset += rc; in occ_read()
188 client->read_offset = 0; in occ_write()
/kernel/linux/linux-6.6/tools/testing/selftests/powerpc/
H A Dutils.c70 size_t read_offset = 0; in read_file_alloc() local
88 if (read_offset >= buffer_len / 2) { in read_file_alloc()
100 rc = read(fd, buffer + read_offset, buffer_len - read_offset); in read_file_alloc()
109 read_offset += rc; in read_file_alloc()
114 *len = read_offset; in read_file_alloc()
/kernel/linux/linux-6.6/drivers/fsi/
H A Dfsi-occ.c72 size_t read_offset; member
122 if (WARN_ON_ONCE(client->read_offset > client->data_size)) { in occ_read()
128 rc = min(len, client->data_size - client->read_offset); in occ_read()
129 if (copy_to_user(buf, client->buffer + client->read_offset, rc)) in occ_read()
132 client->read_offset += rc; in occ_read()
187 client->read_offset = 0; in occ_write()
/kernel/linux/linux-5.10/drivers/rtc/
H A Drtc-meson.c262 unsigned int read_offset, read_size; in meson_rtc_regmem_read() local
264 read_offset = RTC_REGMEM_0 + (offset / 4); in meson_rtc_regmem_read()
267 return regmap_bulk_read(rtc->serial, read_offset, buf, read_size); in meson_rtc_regmem_read()
H A Drtc-pcf85063.c312 .read_offset = pcf85063_read_offset,
320 .read_offset = pcf85063_read_offset,
H A Drtc-tps65910.c360 .read_offset = tps65910_read_offset,
367 .read_offset = tps65910_read_offset,
H A Drtc-armada38x.c457 .read_offset = armada38x_rtc_read_offset,
465 .read_offset = armada38x_rtc_read_offset,
/kernel/linux/linux-6.6/drivers/rtc/
H A Drtc-meson.c262 unsigned int read_offset, read_size; in meson_rtc_regmem_read() local
264 read_offset = RTC_REGMEM_0 + (offset / 4); in meson_rtc_regmem_read()
267 return regmap_bulk_read(rtc->serial, read_offset, buf, read_size); in meson_rtc_regmem_read()
/kernel/linux/linux-5.10/drivers/input/mouse/
H A Dcyapa_gen6.c561 u16 read_offset, u16 read_len, u8 data_id, in cyapa_pip_retrieve_data_structure()
566 __le16 read_offset; in cyapa_pip_retrieve_data_structure() member
579 put_unaligned_le16(read_offset, &cmd.read_offset); in cyapa_pip_retrieve_data_structure()
560 cyapa_pip_retrieve_data_structure(struct cyapa *cyapa, u16 read_offset, u16 read_len, u8 data_id, u8 *data, int *data_buf_lens) cyapa_pip_retrieve_data_structure() argument
/kernel/linux/linux-6.6/drivers/input/mouse/
H A Dcyapa_gen6.c561 u16 read_offset, u16 read_len, u8 data_id, in cyapa_pip_retrieve_data_structure()
566 __le16 read_offset; in cyapa_pip_retrieve_data_structure() member
579 put_unaligned_le16(read_offset, &cmd.read_offset); in cyapa_pip_retrieve_data_structure()
560 cyapa_pip_retrieve_data_structure(struct cyapa *cyapa, u16 read_offset, u16 read_len, u8 data_id, u8 *data, int *data_buf_lens) cyapa_pip_retrieve_data_structure() argument
/kernel/linux/linux-5.10/drivers/media/pci/saa7134/
H A Dsaa7134-alsa.c599 dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream); in snd_card_saa7134_capture_pointer()
600 if (dev->dmasound.read_offset == dev->dmasound.bufsize) in snd_card_saa7134_capture_pointer()
601 dev->dmasound.read_offset = 0; in snd_card_saa7134_capture_pointer()
604 return bytes_to_frames(runtime, dev->dmasound.read_offset); in snd_card_saa7134_capture_pointer()
810 dev->dmasound.read_offset = 0; in snd_card_saa7134_capture_open()
/kernel/linux/linux-6.6/drivers/media/pci/saa7134/
H A Dsaa7134-alsa.c599 dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream); in snd_card_saa7134_capture_pointer()
600 if (dev->dmasound.read_offset == dev->dmasound.bufsize) in snd_card_saa7134_capture_pointer()
601 dev->dmasound.read_offset = 0; in snd_card_saa7134_capture_pointer()
604 return bytes_to_frames(runtime, dev->dmasound.read_offset); in snd_card_saa7134_capture_pointer()
810 dev->dmasound.read_offset = 0; in snd_card_saa7134_capture_open()
/kernel/linux/linux-5.10/drivers/gpu/drm/etnaviv/
H A Detnaviv_gem_submit.c339 if (r->read_offset == 0) { in submit_perfmon_validate()
344 if (r->read_offset >= bo->obj->base.size - sizeof(u32)) { in submit_perfmon_validate()
363 submit->pmrs[i].offset = r->read_offset; in submit_perfmon_validate()
/kernel/linux/linux-6.6/drivers/gpu/drm/etnaviv/
H A Detnaviv_gem_submit.c328 if (r->read_offset == 0) { in submit_perfmon_validate()
333 if (r->read_offset >= bo->obj->base.size - sizeof(u32)) { in submit_perfmon_validate()
352 submit->pmrs[i].offset = r->read_offset; in submit_perfmon_validate()
/kernel/linux/linux-5.10/kernel/
H A Drelay.c1048 size_t read_subbuf, read_offset, write_subbuf, write_offset; in relay_file_read_subbuf_avail() local
1054 read_offset = read_pos % subbuf_size; in relay_file_read_subbuf_avail()
1058 if (read_offset + padding < write_offset) in relay_file_read_subbuf_avail()
1059 avail = write_offset - (read_offset + padding); in relay_file_read_subbuf_avail()
1061 avail = (subbuf_size - padding) - read_offset; in relay_file_read_subbuf_avail()
/kernel/linux/linux-6.6/kernel/
H A Drelay.c960 size_t read_subbuf, read_offset, write_subbuf, write_offset; in relay_file_read_subbuf_avail() local
966 read_offset = read_pos % subbuf_size; in relay_file_read_subbuf_avail()
970 if (read_offset + padding < write_offset) in relay_file_read_subbuf_avail()
971 avail = write_offset - (read_offset + padding); in relay_file_read_subbuf_avail()
973 avail = (subbuf_size - padding) - read_offset; in relay_file_read_subbuf_avail()
/kernel/linux/patches/linux-4.19/prebuilts/usr/include/drm/
H A Detnaviv_drm.h96 __u32 read_offset; member
/kernel/linux/linux-5.10/drivers/net/ethernet/netronome/nfp/
H A Dnfp_asm.h404 static inline u32 nfp_get_ind_csr_ctx_ptr_offs(u32 read_offset) in nfp_get_ind_csr_ctx_ptr_offs() argument
406 return (read_offset & ~NFP_IND_ME_CTX_PTR_BASE_MASK) | NFP_CSR_CTX_PTR; in nfp_get_ind_csr_ctx_ptr_offs()
/kernel/linux/linux-6.6/drivers/net/ethernet/netronome/nfp/
H A Dnfp_asm.h404 static inline u32 nfp_get_ind_csr_ctx_ptr_offs(u32 read_offset) in nfp_get_ind_csr_ctx_ptr_offs() argument
406 return (read_offset & ~NFP_IND_ME_CTX_PTR_BASE_MASK) | NFP_CSR_CTX_PTR; in nfp_get_ind_csr_ctx_ptr_offs()
/kernel/linux/linux-5.10/drivers/scsi/lpfc/
H A Dlpfc_bsg.h327 uint32_t read_offset; member

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