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Searched refs:rbuf (Results 1 – 25 of 96) sorted by relevance

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/Linux-v4.19/drivers/media/dvb-core/
Ddvb_ringbuffer.c38 void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, size_t len) in dvb_ringbuffer_init() argument
40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
41 rbuf->data=data; in dvb_ringbuffer_init()
42 rbuf->size=len; in dvb_ringbuffer_init()
43 rbuf->error=0; in dvb_ringbuffer_init()
45 init_waitqueue_head(&rbuf->queue); in dvb_ringbuffer_init()
47 spin_lock_init(&(rbuf->lock)); in dvb_ringbuffer_init()
52 int dvb_ringbuffer_empty(struct dvb_ringbuffer *rbuf) in dvb_ringbuffer_empty() argument
60 return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_empty()
65 ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf) in dvb_ringbuffer_free() argument
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/Linux-v4.19/include/media/
Ddvb_ringbuffer.h61 extern void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data,
69 extern int dvb_ringbuffer_empty(struct dvb_ringbuffer *rbuf);
78 extern ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf);
87 extern ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf);
98 extern void dvb_ringbuffer_reset(struct dvb_ringbuffer *rbuf);
109 extern void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf);
117 extern void dvb_ringbuffer_flush_spinlock_wakeup(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
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/Linux-v4.19/drivers/media/usb/dvb-usb/
Dfriio.c34 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in gl861_i2c_ctrlmsg_data() argument
38 int wo = (rbuf == NULL || rlen == 0); /* write only */ in gl861_i2c_ctrlmsg_data()
63 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in gl861_i2c_msg() argument
67 int wo = (rbuf == NULL || rlen == 0); /* write-only */ in gl861_i2c_msg()
74 return gl861_i2c_ctrlmsg_data(d, addr, wbuf, wlen, rbuf, rlen); in gl861_i2c_msg()
105 value, index, rbuf, rlen, 2000); in gl861_i2c_msg()
226 u8 *rbuf, *wbuf; in friio_initialize() local
234 rbuf = kmalloc(2, GFP_KERNEL); in friio_initialize()
235 if (!rbuf) { in friio_initialize()
271 ret = gl861_i2c_msg(d, 0x12 >> 1, wbuf, 3, rbuf, 2); in friio_initialize()
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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()
Dfriio-fe.c243 u8 rbuf[37]; in jdvbt90502_read_signal_strength() local
250 rbuf, sizeof(rbuf)); in jdvbt90502_read_signal_strength()
258 *strength = (rbuf[3] << 8) + rbuf[4]; in jdvbt90502_read_signal_strength()
259 if (rbuf[2]) in jdvbt90502_read_signal_strength()
/Linux-v4.19/drivers/media/usb/dvb-usb-v2/
Ddvb_usb_urb.c25 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usb_v2_generic_io() argument
47 if (!ret && rbuf && rlen) { in dvb_usb_v2_generic_io()
55 rbuf, rlen, &actual_length, 2000); in dvb_usb_v2_generic_io()
62 actual_length, rbuf); in dvb_usb_v2_generic_io()
69 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw() argument
74 ret = dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw()
94 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in dvb_usbv2_generic_rw_locked() argument
96 return dvb_usb_v2_generic_io(d, wbuf, wlen, rbuf, rlen); in dvb_usbv2_generic_rw_locked()
Dgl861.c21 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in gl861_i2c_msg() argument
25 int wo = (rbuf == NULL || rlen == 0); /* write-only */ in gl861_i2c_msg()
63 memcpy(rbuf, buf, rlen); in gl861_i2c_msg()
216 gl861_i2c_read_ex(struct dvb_usb_device *d, u8 addr, u8 *rbuf, u16 rlen) in gl861_i2c_read_ex() argument
229 memcpy(buf, rbuf, rlen); in gl861_i2c_read_ex()
396 u8 wbuf[2], rbuf[2]; in friio_reset() local
434 ret = gl861_i2c_read_ex(d, 0x09, rbuf, 2); in friio_reset()
437 if (rbuf[0] != 0xff || rbuf[1] != 0xff) in friio_reset()
447 ret = gl861_i2c_read_ex(d, 0x48, rbuf, 2); in friio_reset()
450 if (rbuf[0] != 0xff || rbuf[1] != 0xff) in friio_reset()
Dau6610.c24 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in au6610_usb_msg() argument
68 rbuf[0] = usb_buf[4]; in au6610_usb_msg()
76 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) in au6610_i2c_msg() argument
79 u8 wo = (rbuf == NULL || rlen == 0); /* write-only */ in au6610_i2c_msg()
87 return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen); in au6610_i2c_msg()
Dlmedm04.c169 u8 *wbuf, int wlen, u8 *rbuf, int rlen) in lme2510_usb_talk() argument
198 memcpy(rbuf, buff, rlen); in lme2510_usb_talk()
223 static u8 rbuf[1]; in lme2510_enable_pid() local
242 sizeof(pid_buff) , rbuf, sizeof(rbuf)); in lme2510_enable_pid()
310 u8 *ibuf, *rbuf; in lme2510_int_response() local
328 rbuf = (u8 *) lme_urb->transfer_buffer; in lme2510_int_response()
334 ibuf = (u8 *)&rbuf[i*8]; in lme2510_int_response()
454 static u8 rbuf[1]; in lme2510_pid_filter_ctrl() local
463 sizeof(clear_pid_reg), rbuf, sizeof(rbuf)); in lme2510_pid_filter_ctrl()
519 u8 *wbuf, int wlen, u8 *rbuf, int rlen) in lme2510_msg() argument
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/Linux-v4.19/drivers/infiniband/hw/qib/
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()
770 static inline __u32 qib_hdrget_length_in_bytes(const __le32 *rbuf) in qib_hdrget_length_in_bytes() argument
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
778 return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_EGRINDEX_SHIFT) & in qib_hdrget_index()
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()
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/Linux-v4.19/drivers/ata/
Dlibata-scsi.c2119 unsigned int (*actor)(struct ata_scsi_args *args, u8 *rbuf)) in ata_scsi_rbuf_fill() argument
2121 u8 *rbuf; in ata_scsi_rbuf_fill() local
2126 rbuf = ata_scsi_rbuf_get(cmd, false, &flags); in ata_scsi_rbuf_fill()
2127 rc = actor(args, rbuf); in ata_scsi_rbuf_fill()
2145 static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) in ata_scsiop_inq_std() argument
2196 memcpy(rbuf, hdr, sizeof(hdr)); in ata_scsiop_inq_std()
2197 memcpy(&rbuf[8], "ATA ", 8); in ata_scsiop_inq_std()
2198 ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); in ata_scsiop_inq_std()
2201 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV + 2, 4); in ata_scsiop_inq_std()
2202 if (strncmp(&rbuf[32], " ", 4) == 0) in ata_scsiop_inq_std()
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/Linux-v4.19/drivers/w1/slaves/
Dw1_ds2423.c48 u8 rbuf[COUNTER_COUNT * READ_BYTE_COUNT]; in w1_slave_show() local
76 rbuf + (p * READ_BYTE_COUNT), READ_BYTE_COUNT); in w1_slave_show()
80 rbuf[(p * READ_BYTE_COUNT) + ii]); in w1_slave_show()
92 crc = crc16(crc, rbuf, 11); in w1_slave_show()
99 (rbuf + 11) + in w1_slave_show()
107 result |= rbuf[(p * in w1_slave_show()
/Linux-v4.19/sound/isa/wavefront/
Dwavefront_synth.c337 int cmd, unsigned char *rbuf, unsigned char *wbuf) in snd_wavefront_cmd() argument
357 wfcmd->write_cnt = (unsigned long) rbuf; in snd_wavefront_cmd()
358 rbuf = NULL; in snd_wavefront_cmd()
421 rbuf[0] = WF_ST_EMPTY; in snd_wavefront_cmd()
450 rbuf[i] = c; in snd_wavefront_cmd()
453 DPRINT (WF_DEBUG_DATA, "read[%d] = 0x%x\n",i, rbuf[i]); in snd_wavefront_cmd()
621 unsigned char rbuf[32], wbuf[32]; in wavefront_get_sample_status() local
626 if (snd_wavefront_cmd (dev, WFC_GET_NSAMPLES, rbuf, wbuf)) { in wavefront_get_sample_status()
638 if (snd_wavefront_cmd (dev, WFC_IDENTIFY_SAMPLE_TYPE, rbuf, wbuf)) { in wavefront_get_sample_status()
645 dev->sample_status[i] = (WF_SLOT_FILLED|rbuf[0]); in wavefront_get_sample_status()
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/Linux-v4.19/security/integrity/ima/
Dima_crypto.c212 char *rbuf[2] = { NULL, }; in ima_calc_file_hash_atfm() local
243 rbuf[0] = ima_alloc_pages(i_size, &rbuf_size[0], 1); in ima_calc_file_hash_atfm()
244 if (!rbuf[0]) { in ima_calc_file_hash_atfm()
256 rbuf[1] = ima_alloc_pages(i_size - rbuf_size[0], in ima_calc_file_hash_atfm()
266 if (!rbuf[1] && offset) { in ima_calc_file_hash_atfm()
277 rc = integrity_kernel_read(file, offset, rbuf[active], in ima_calc_file_hash_atfm()
282 if (rbuf[1] && offset) { in ima_calc_file_hash_atfm()
292 sg_init_one(&sg[0], rbuf[active], rbuf_len); in ima_calc_file_hash_atfm()
297 if (rbuf[1]) in ima_calc_file_hash_atfm()
305 ima_free_pages(rbuf[0], rbuf_size[0]); in ima_calc_file_hash_atfm()
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/Linux-v4.19/tools/testing/selftests/net/
Dpsock_lib.h127 char buf[DATA_LEN], rbuf[DATA_LEN]; in pair_udp_send_char() local
136 if (read(fds[1], rbuf, sizeof(rbuf)) != sizeof(rbuf)) { in pair_udp_send_char()
140 if (memcmp(buf, rbuf, sizeof(buf))) { in pair_udp_send_char()
Dudpgso_bench_rx.c170 static char rbuf[ETH_DATA_LEN]; in do_flush_udp() local
173 len = cfg_verify ? sizeof(rbuf) : 0; in do_flush_udp()
176 ret = recv(fd, rbuf, len, MSG_TRUNC | MSG_DONTWAIT); in do_flush_udp()
185 do_verify_udp(rbuf, ret); in do_flush_udp()
/Linux-v4.19/drivers/video/backlight/
Dili922x.c156 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_read_status() local
162 xfer.rx_buf = rbuf; in ili922x_read_status()
184 *rs = (rbuf[2] << 8) + rbuf[3]; in ili922x_read_status()
199 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_read() local
206 xfer_regindex.rx_buf = rbuf; in ili922x_read()
228 xfer_regvalue.rx_buf = &rbuf[send_bytes]; in ili922x_read()
238 *rx = (rbuf[1 + send_bytes] << 8) + rbuf[2 + send_bytes]; in ili922x_read()
253 unsigned char rbuf[CMD_BUFSIZE]; in ili922x_write() local
261 xfer_regindex.rx_buf = rbuf; in ili922x_write()
284 xfer_regvalue.rx_buf = rbuf; in ili922x_write()
/Linux-v4.19/drivers/isdn/i4l/
Disdn_v110.c166 unsigned char *rbuf = v->decodebuf; in SyncHeader() local
171 for (rbuf++, len--; len > 0; len--, rbuf++) /* such den SyncHeader in buf ! */ in SyncHeader()
172 if ((*rbuf & v->key) == 0) /* erstes byte gefunden ? */ in SyncHeader()
175 memcpy(v->decodebuf, rbuf, len); in SyncHeader()
261 unsigned char *rbuf; in isdn_v110_decode() local
267 rbuf = skb->data; in isdn_v110_decode()
276 for (; len > 0; len--, rbuf++) /* scan for SyncHeader in buf */ in isdn_v110_decode()
277 if ((*rbuf & v->key) == 0) in isdn_v110_decode()
284 memcpy(&(v->decodebuf[v->decodelen]), rbuf, len); in isdn_v110_decode()
471 unsigned char *rbuf; in isdn_v110_encode() local
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/Linux-v4.19/drivers/slimbus/
Dmessaging.c38 if (msg == NULL || msg->rbuf == NULL) { in slim_msg_response()
45 memcpy(msg->rbuf, reply, len); in slim_msg_response()
187 if (msg->rbuf != NULL) in slim_val_inf_sanity()
199 if (msg->rbuf != NULL && msg->wbuf != NULL) in slim_val_inf_sanity()
273 size_t count, u8 *rbuf, u8 *wbuf) in slim_fill_msg() argument
277 msg->rbuf = rbuf; in slim_fill_msg()
/Linux-v4.19/drivers/usb/gadget/function/
Du_audio.c41 void *rbuf; member
224 memset(prm->rbuf, 0, prm->max_psize * params->req_number); in uac_pcm_trigger()
397 req->buf = prm->rbuf + i * prm->max_psize; in u_audio_start_capture()
473 req->buf = prm->rbuf + i * prm->max_psize; in u_audio_start_playback()
528 prm->rbuf = kcalloc(params->req_number, prm->max_psize, in g_audio_setup()
530 if (!prm->rbuf) { in g_audio_setup()
550 prm->rbuf = kcalloc(params->req_number, prm->max_psize, in g_audio_setup()
552 if (!prm->rbuf) { in g_audio_setup()
600 kfree(uac->p_prm.rbuf); in g_audio_setup()
601 kfree(uac->c_prm.rbuf); in g_audio_setup()
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/Linux-v4.19/Documentation/media/kapi/
Ddtv-common.rst35 free = dvb_ringbuffer_free(rbuf);
37 count = dvb_ringbuffer_write(rbuf, buffer, buflen);
42 avail = dvb_ringbuffer_avail(rbuf);
44 count = dvb_ringbuffer_read(rbuf, buffer, min(avail, bufsize));
/Linux-v4.19/kernel/
Drelay.c1158 static void relay_consume_bytes(struct rchan_buf *rbuf, int bytes_consumed) in relay_consume_bytes() argument
1160 rbuf->bytes_consumed += bytes_consumed; in relay_consume_bytes()
1162 if (rbuf->bytes_consumed >= rbuf->chan->subbuf_size) { in relay_consume_bytes()
1163 relay_subbufs_consumed(rbuf->chan, rbuf->cpu, 1); in relay_consume_bytes()
1164 rbuf->bytes_consumed %= rbuf->chan->subbuf_size; in relay_consume_bytes()
1171 struct rchan_buf *rbuf; in relay_pipe_buf_release() local
1173 rbuf = (struct rchan_buf *)page_private(buf->page); in relay_pipe_buf_release()
1174 relay_consume_bytes(rbuf, buf->private); in relay_pipe_buf_release()
1200 struct rchan_buf *rbuf = in->private_data; in subbuf_splice_actor() local
1201 unsigned int subbuf_size = rbuf->chan->subbuf_size; in subbuf_splice_actor()
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/Linux-v4.19/drivers/media/common/b2c2/
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-v4.19/drivers/tty/
Dn_hdlc.c565 struct n_hdlc_buf *rbuf; in n_hdlc_tty_read() local
594 rbuf = n_hdlc_buf_get(&n_hdlc->rx_buf_list); in n_hdlc_tty_read()
595 if (rbuf) { in n_hdlc_tty_read()
596 if (rbuf->count > nr) { in n_hdlc_tty_read()
600 if (copy_to_user(buf, rbuf->buf, rbuf->count)) in n_hdlc_tty_read()
603 ret = rbuf->count; in n_hdlc_tty_read()
608 kfree(rbuf); in n_hdlc_tty_read()
610 n_hdlc_buf_put(&n_hdlc->rx_free_buf_list, rbuf); in n_hdlc_tty_read()
/Linux-v4.19/drivers/staging/rtl8723bs/core/
Drtw_eeprom.c319 u8 eeprom_read(_adapter *padapter, u32 addr_off, u8 sz, u8 *rbuf) in eeprom_read() argument
330 rbuf[idx++] = (u8) ((stmp>>8)&0xff); /*return hogh-part of the short*/ in eeprom_read()
339 rbuf[idx++] = (u8) (stmp&0xff); in eeprom_read()
340 rbuf[idx++] = (u8) ((stmp>>8)&0xff); in eeprom_read()
346 rbuf[idx] = (u8)(stmp & 0xff); in eeprom_read()

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