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Searched refs:rbuf (Results 1 – 25 of 110) sorted by relevance

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/linux/drivers/media/dvb-core/
A Ddvb_ringbuffer.c40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
74 free = READ_ONCE(rbuf->pread) - rbuf->pwrite; in dvb_ringbuffer_free()
138 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read_user()
154 smp_store_release(&rbuf->pread, (rbuf->pread + todo) % rbuf->size); in dvb_ringbuffer_read_user()
164 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read()
175 memcpy(buf, rbuf->data+rbuf->pread, todo); in dvb_ringbuffer_read()
178 smp_store_release(&rbuf->pread, (rbuf->pread + todo) % rbuf->size); in dvb_ringbuffer_read()
187 split = (rbuf->pwrite + len > rbuf->size) ? rbuf->size - rbuf->pwrite : 0; in dvb_ringbuffer_write()
202 smp_store_release(&rbuf->pwrite, (rbuf->pwrite + todo) % rbuf->size); in dvb_ringbuffer_write()
214 split = (rbuf->pwrite + len > rbuf->size) ? rbuf->size - rbuf->pwrite : 0; in dvb_ringbuffer_write_user()
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/linux/include/media/
A Ddvb_ringbuffer.h69 extern int dvb_ringbuffer_empty(struct dvb_ringbuffer *rbuf);
98 extern void dvb_ringbuffer_reset(struct dvb_ringbuffer *rbuf);
109 extern void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf);
125 #define DVB_RINGBUFFER_PEEK(rbuf, offs) \ argument
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
134 #define DVB_RINGBUFFER_SKIP(rbuf, num) {\ argument
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
164 extern void dvb_ringbuffer_read(struct dvb_ringbuffer *rbuf,
177 #define DVB_RINGBUFFER_WRITE_BYTE(rbuf, byte) \ argument
178 { (rbuf)->data[(rbuf)->pwrite] = (byte); \
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/linux/drivers/ata/
A Dlibata-scsi.c1884 if (rbuf[32] == 0 || rbuf[32] == ' ') in ata_scsiop_inq_std()
2041 rbuf[40] = 0x1; in ata_scsiop_inq_89()
2042 rbuf[48] = 0x1; in ata_scsiop_inq_89()
2055 rbuf[1] = 0xb0; in ata_scsiop_inq_b0()
2096 rbuf[1] = 0xb1; in ata_scsiop_inq_b1()
2097 rbuf[3] = 0x3c; in ata_scsiop_inq_b1()
2110 rbuf[1] = 0xb2; in ata_scsiop_inq_b2()
2111 rbuf[3] = 0x4; in ata_scsiop_inq_b2()
2129 rbuf[4] |= 1; in ata_scsiop_inq_b6()
2365 rbuf[0] = p - rbuf - 1; in ata_scsiop_mode_sense()
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/linux/drivers/infiniband/hw/qib/
A Dqib_common.h759 static inline __u32 qib_hdrget_err_flags(const __le32 *rbuf) in qib_hdrget_err_flags() argument
761 return __le32_to_cpu(rbuf[1]) & QLOGIC_IB_RHF_H_ERR_MASK; in qib_hdrget_err_flags()
764 static inline __u32 qib_hdrget_rcv_type(const __le32 *rbuf) in qib_hdrget_rcv_type() argument
766 return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_RCVTYPE_SHIFT) & in qib_hdrget_rcv_type()
772 return ((__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_LENGTH_SHIFT) & in qib_hdrget_length_in_bytes()
776 static inline __u32 qib_hdrget_index(const __le32 *rbuf) in qib_hdrget_index() argument
782 static inline __u32 qib_hdrget_seq(const __le32 *rbuf) in qib_hdrget_seq() argument
784 return (__le32_to_cpu(rbuf[1]) >> QLOGIC_IB_RHF_SEQ_SHIFT) & in qib_hdrget_seq()
788 static inline __u32 qib_hdrget_offset(const __le32 *rbuf) in qib_hdrget_offset() argument
794 static inline __u32 qib_hdrget_use_egr_buf(const __le32 *rbuf) in qib_hdrget_use_egr_buf() argument
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/linux/drivers/media/usb/dvb-usb-v2/
A Ddvb_usb_urb.c12 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usb_v2_generic_io() argument
39 if (rbuf && rlen) { in dvb_usb_v2_generic_io()
47 rbuf, rlen, &actual_length, 2000); in dvb_usb_v2_generic_io()
54 actual_length, rbuf); in dvb_usb_v2_generic_io()
61 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw() argument
66 ret = dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw()
86 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw_locked() argument
88 return dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw_locked()
A Dlmedm04.c184 static u8 rbuf[1]; in lme2510_enable_pid() local
203 sizeof(pid_buff) , rbuf, sizeof(rbuf)); in lme2510_enable_pid()
271 u8 *ibuf, *rbuf; in lme2510_int_response() local
295 ibuf = (u8 *)&rbuf[i*8]; in lme2510_int_response()
408 static u8 rbuf[1]; in lme2510_pid_filter_ctrl() local
417 sizeof(clear_pid_reg), rbuf, sizeof(rbuf)); in lme2510_pid_filter_ctrl()
560 static u8 rbuf[1]; in lme2510_streaming_ctrl() local
561 int ret = 0, rlen = sizeof(rbuf); in lme2510_streaming_ctrl()
804 static u8 rbuf[1]; in dm04_lme2510_set_voltage() local
812 voltage_high, len, rbuf, rlen); in dm04_lme2510_set_voltage()
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A Dau6610.c15 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in au6610_usb_msg() argument
59 rbuf[0] = usb_buf[4]; in au6610_usb_msg()
67 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in au6610_i2c_msg() argument
70 u8 wo = (rbuf == NULL || rlen == 0); /* write-only */ in au6610_i2c_msg()
78 return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen); in au6610_i2c_msg()
A Daf9035.c107 memcpy(req->rbuf, &state->buf[ACK_HDR_LEN], req->rlen); in af9035_ctrl_msg()
487 u8 rbuf[4]; in af9035_identify_state() local
489 sizeof(rbuf), rbuf }; in af9035_identify_state()
491 ret = af9035_rd_regs(d, 0x1222, rbuf, 3); in af9035_identify_state()
495 state->chip_version = rbuf[0]; in af9035_identify_state()
496 state->chip_type = rbuf[2] << 8 | rbuf[1] << 0; in af9035_identify_state()
576 dev_dbg(&intf->dev, "reply=%*ph\n", 4, rbuf); in af9035_identify_state()
577 if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3]) in af9035_identify_state()
727 u8 rbuf[4]; in af9035_download_firmware() local
803 if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) { in af9035_download_firmware()
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A Dgl861.c330 u8 wbuf[1], rbuf[2]; in friio_reset() local
363 ret = gl861_ctrl_msg(d, CMD_READ, 0x09 << 9, 0x0100, rbuf, 2); in friio_reset()
366 if (rbuf[0] != 0xff || rbuf[1] != 0xff) in friio_reset()
377 ret = gl861_ctrl_msg(d, CMD_READ, 0x48 << 9, 0x0100, rbuf, 2); in friio_reset()
380 if (rbuf[0] != 0xff || rbuf[1] != 0xff) in friio_reset()
/linux/sound/isa/wavefront/
A Dwavefront_synth.c356 rbuf = NULL; in snd_wavefront_cmd()
421 rbuf[0] = WF_ST_EMPTY; in snd_wavefront_cmd()
450 rbuf[i] = c; in snd_wavefront_cmd()
668 i, rbuf[0]); in wavefront_get_sample_status()
671 if (rbuf[0] != WF_ST_EMPTY) { in wavefront_get_sample_status()
853 char rbuf[8]; in wavefront_freemem() local
1608 demunge_buf (wc->rbuf, wc->rbuf, WF_PATCH_BYTES); in wavefront_synth_control()
1612 demunge_buf (wc->rbuf, wc->rbuf, WF_PROGRAM_BYTES); in wavefront_synth_control()
1616 demunge_buf (wc->rbuf, wc->rbuf, WF_DRUM_BYTES - 1); in wavefront_synth_control()
2192 rbuf[0], rbuf[1]); in snd_wavefront_detect()
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/linux/drivers/w1/slaves/
A Dw1_ds2423.c35 u8 rbuf[COUNTER_COUNT * READ_BYTE_COUNT]; in w1_slave_show() local
63 rbuf + (p * READ_BYTE_COUNT), READ_BYTE_COUNT); in w1_slave_show()
67 rbuf[(p * READ_BYTE_COUNT) + ii]); in w1_slave_show()
79 crc = crc16(crc, rbuf, 11); in w1_slave_show()
86 (rbuf + 11) + in w1_slave_show()
94 result |= rbuf[(p * in w1_slave_show()
/linux/crypto/
A Dadiantum.c91 } rbuf; member
294 rctx->rbuf.bytes); in adiantum_finish()
305 le128_sub(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); in adiantum_finish()
306 scatterwalk_map_and_copy(&rctx->rbuf.bignum, req->dst, in adiantum_finish()
349 le128_add(&rctx->rbuf.bignum, &rctx->rbuf.bignum, &digest); in adiantum_crypt()
354 rctx->rbuf.bytes); in adiantum_crypt()
359 rctx->rbuf.words[4] = cpu_to_le32(1); in adiantum_crypt()
360 rctx->rbuf.words[5] = 0; in adiantum_crypt()
361 rctx->rbuf.words[6] = 0; in adiantum_crypt()
362 rctx->rbuf.words[7] = 0; in adiantum_crypt()
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/linux/drivers/video/backlight/
A Dili922x.c154 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_read_status() local
160 xfer.rx_buf = rbuf; in ili922x_read_status()
182 *rs = (rbuf[2] << 8) + rbuf[3]; in ili922x_read_status()
197 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_read() local
204 xfer_regindex.rx_buf = rbuf; in ili922x_read()
226 xfer_regvalue.rx_buf = &rbuf[send_bytes]; in ili922x_read()
236 *rx = (rbuf[1 + send_bytes] << 8) + rbuf[2 + send_bytes]; in ili922x_read()
251 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_write() local
259 xfer_regindex.rx_buf = rbuf; in ili922x_write()
282 xfer_regvalue.rx_buf = rbuf; in ili922x_write()
/linux/security/integrity/ima/
A Dima_crypto.c333 char *rbuf[2] = { NULL, }; in ima_calc_file_hash_atfm() local
365 if (!rbuf[0]) { in ima_calc_file_hash_atfm()
382 if (!rbuf[1] && offset) { in ima_calc_file_hash_atfm()
406 if (rbuf[1] && offset) { in ima_calc_file_hash_atfm()
421 if (rbuf[1]) in ima_calc_file_hash_atfm()
427 ima_free_pages(rbuf[0], rbuf_size[0]); in ima_calc_file_hash_atfm()
428 ima_free_pages(rbuf[1], rbuf_size[1]); in ima_calc_file_hash_atfm()
460 char *rbuf; in ima_calc_file_hash_tfm() local
477 rbuf = kzalloc(PAGE_SIZE, GFP_KERNEL); in ima_calc_file_hash_tfm()
478 if (!rbuf) in ima_calc_file_hash_tfm()
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/linux/drivers/tty/
A Dn_hdlc.c448 struct n_hdlc_buf *rbuf; in n_hdlc_tty_read() local
452 rbuf = *cookie; in n_hdlc_tty_read()
453 if (rbuf) in n_hdlc_tty_read()
469 if (rbuf) in n_hdlc_tty_read()
489 if (!rbuf) in n_hdlc_tty_read()
491 *cookie = rbuf; in n_hdlc_tty_read()
495 if (offset >= rbuf->count) in n_hdlc_tty_read()
504 ret = rbuf->count - offset; in n_hdlc_tty_read()
507 memcpy(kbuf, rbuf->buf+offset, ret); in n_hdlc_tty_read()
511 if (offset < rbuf->count) in n_hdlc_tty_read()
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/linux/tools/testing/selftests/net/
A Dpsock_lib.h113 char buf[DATA_LEN], rbuf[DATA_LEN]; in pair_udp_send_char() local
122 if (read(fds[1], rbuf, sizeof(rbuf)) != sizeof(rbuf)) { in pair_udp_send_char()
126 if (memcmp(buf, rbuf, sizeof(buf))) { in pair_udp_send_char()
A Dso_txtime.c117 char rbuf[2]; in do_recv_one() local
120 ret = recv(fdr, rbuf, sizeof(rbuf), 0); in do_recv_one()
132 rbuf[0], (long long)tstop, (long long)texpect); in do_recv_one()
134 if (rbuf[0] != ts->data) in do_recv_one()
143 char rbuf[1]; in do_recv_verify_empty() local
146 ret = recv(fdr, rbuf, sizeof(rbuf), 0); in do_recv_verify_empty()
A Dudpgso_bench_rx.c252 static char rbuf[ETH_MAX_MTU]; in do_flush_udp() local
255 len = cfg_read_all ? sizeof(rbuf) : 0; in do_flush_udp()
259 ret = recv(fd, rbuf, len, MSG_TRUNC | MSG_DONTWAIT); in do_flush_udp()
261 ret = recv_msg(fd, rbuf, len, &gso_size); in do_flush_udp()
273 do_verify_udp(rbuf, ret); in do_flush_udp()
/linux/kernel/
A Drelay.c1080 rbuf->bytes_consumed += bytes_consumed; in relay_consume_bytes()
1082 if (rbuf->bytes_consumed >= rbuf->chan->subbuf_size) { in relay_consume_bytes()
1083 relay_subbufs_consumed(rbuf->chan, rbuf->cpu, 1); in relay_consume_bytes()
1084 rbuf->bytes_consumed %= rbuf->chan->subbuf_size; in relay_consume_bytes()
1091 struct rchan_buf *rbuf; in relay_pipe_buf_release() local
1093 rbuf = (struct rchan_buf *)page_private(buf->page); in relay_pipe_buf_release()
1094 relay_consume_bytes(rbuf, buf->private); in relay_pipe_buf_release()
1118 struct rchan_buf *rbuf = in->private_data; in subbuf_splice_actor() local
1124 size_t padding = rbuf->padding[read_subbuf]; in subbuf_splice_actor()
1138 if (rbuf->subbufs_produced == rbuf->subbufs_consumed) in subbuf_splice_actor()
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/linux/drivers/slimbus/
A Dmessaging.c38 if (msg == NULL || msg->rbuf == NULL) { in slim_msg_response()
45 memcpy(msg->rbuf, reply, len); in slim_msg_response()
188 if (msg->rbuf != NULL) in slim_val_inf_sanity()
200 if (msg->rbuf != NULL && msg->wbuf != NULL) in slim_val_inf_sanity()
275 size_t count, u8 *rbuf, u8 *wbuf) in slim_fill_msg() argument
279 msg->rbuf = rbuf; in slim_fill_msg()
/linux/Documentation/driver-api/media/
A Ddtv-common.rst37 free = dvb_ringbuffer_free(rbuf);
39 count = dvb_ringbuffer_write(rbuf, buffer, buflen);
44 avail = dvb_ringbuffer_avail(rbuf);
46 count = dvb_ringbuffer_read(rbuf, buffer, min(avail, bufsize));
/linux/drivers/media/common/b2c2/
A Dflexcop-eeprom.c17 u32 len, u8 *wbuf, u8 *rbuf, int retries)
23 if (eeprom_lrc_read(adapter, addr, len, rbuf, retries) == 1)
34 u8 rbuf[20];
45 return eeprom_lrc_write(adapter, 0x3e4, 20, wbuf, rbuf, 4);
/linux/drivers/media/usb/dvb-usb/
A Ddvb-usb-urb.c12 int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf, in dvb_usb_generic_rw() argument
41 if (!ret && rbuf && rlen) { in dvb_usb_generic_rw()
48 d->props.generic_bulk_ctrl_endpoint),rbuf,rlen,&actlen, in dvb_usb_generic_rw()
55 debug_dump(rbuf,actlen,deb_xfer); in dvb_usb_generic_rw()
/linux/drivers/video/fbdev/omap/
A Dlcd_mipid.c55 int wlen, u8 *rbuf, int rlen) in mipid_transfer() argument
97 x->rx_buf = &rbuf[1]; in mipid_transfer()
108 rbuf[0] = w & 0xff; in mipid_transfer()
336 u8 rbuf[2]; in ls041y3_esd_check_mode2() local
356 mipid_read(md, rd->cmd, rbuf, 2); in ls041y3_esd_check_mode2()
364 dev_dbg(&md->spi->dev, "ESD mode 2 state %02x\n", rbuf[1]); in ls041y3_esd_check_mode2()
365 if (rbuf[1] == 0x00) in ls041y3_esd_check_mode2()
/linux/drivers/target/
A Dtarget_core_spc.c735 unsigned char *rbuf; in spc_emulate_inquiry() local
776 rbuf = transport_kmap_data_sg(cmd); in spc_emulate_inquiry()
777 if (rbuf) { in spc_emulate_inquiry()
778 memcpy(rbuf, buf, min_t(u32, SE_INQUIRY_BUF, cmd->data_length)); in spc_emulate_inquiry()
1021 unsigned char buf[SE_MODE_PAGE_BUF], *rbuf; in spc_emulate_modesense() local
1132 rbuf = transport_kmap_data_sg(cmd); in spc_emulate_modesense()
1133 if (rbuf) { in spc_emulate_modesense()
1206 unsigned char *rbuf; in spc_emulate_request_sense() local
1219 rbuf = transport_kmap_data_sg(cmd); in spc_emulate_request_sense()
1220 if (!rbuf) in spc_emulate_request_sense()
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