Searched refs:read_count (Results 1 - 24 of 24) sorted by relevance

/linux-4.4.14/drivers/net/ethernet/sfc/
H A Dtx.c84 tx_queue->queue, tx_queue->read_count); efx_dequeue_buffer()
150 * read_count (more likely to be a cache miss). efx_tx_maybe_stop_queue()
152 * If we read read_count and then conditionally stop the efx_tx_maybe_stop_queue()
156 * Therefore we stop the queue first, then read read_count efx_tx_maybe_stop_queue()
163 txq1->old_read_count = ACCESS_ONCE(txq1->read_count); efx_tx_maybe_stop_queue()
164 txq2->old_read_count = ACCESS_ONCE(txq2->read_count); efx_tx_maybe_stop_queue()
497 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; efx_dequeue_buffers()
513 ++tx_queue->read_count; efx_dequeue_buffers()
514 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; efx_dequeue_buffers()
639 * barrier ensures that we write read_count (inside efx_xmit_done()
647 fill_level = max(tx_queue->insert_count - tx_queue->read_count, efx_xmit_done()
648 txq2->insert_count - txq2->read_count); efx_xmit_done()
654 if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { efx_xmit_done()
656 if (tx_queue->read_count == tx_queue->old_write_count) { efx_xmit_done()
659 tx_queue->read_count | EFX_EMPTY_COUNT_VALID; efx_xmit_done()
734 tx_queue->read_count = 0; efx_init_tx_queue()
756 while (tx_queue->read_count != tx_queue->write_count) { efx_fini_tx_queue()
758 buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; efx_fini_tx_queue()
761 ++tx_queue->read_count; efx_fini_tx_queue()
940 tx_queue->read_count >= efx_tx_queue_insert()
H A Dnet_driver.h195 * @read_count: Current read pointer.
210 * @old_read_count: The value of read_count when last checked.
212 * only get the up-to-date value of read_count if this
225 * @read_count bitwise-added to %EFX_EMPTY_COUNT_VALID; otherwise 0.
242 unsigned int read_count ____cacheline_aligned_in_smp;
H A Dfarch.c850 tx_packets = ((tx_ev_desc_ptr - tx_queue->read_count) & efx_farch_handle_tx_event()
H A Def10.c2594 tx_descs = ((tx_ev_desc_ptr + 1 - tx_queue->read_count) & efx_ef10_handle_tx_event()
/linux-4.4.14/drivers/char/ipmi/
H A Dipmi_bt_sm.c101 int read_count; member in struct:si_sm_data
219 bt->read_count = 5; force_result()
273 msg_len = bt->read_count - 2; /* account for length & seq */ bt_get_result()
363 bt->read_count = bt->read_data[0]; read_all_bytes()
365 if (bt->read_count < 4 || bt->read_count >= IPMI_MAX_MSG_LENGTH) { read_all_bytes()
368 bt->read_count); read_all_bytes()
372 for (i = 1; i <= bt->read_count; i++) read_all_bytes()
374 bt->read_count++; /* Account internally for length byte */ read_all_bytes()
377 int max = bt->read_count; read_all_bytes()
385 printk(KERN_CONT "%s\n", bt->read_count == max ? "" : " ..."); read_all_bytes()
628 bt->read_count = 0; bt_event()
/linux-4.4.14/drivers/usb/misc/
H A Drio500.c366 ssize_t read_count; read_rio() local
385 read_count = 0; read_rio()
391 return read_count ? read_count : -EINTR; read_rio()
438 read_count += this_read; read_rio()
443 return read_count; read_rio()
H A Dchaoskey.c371 ssize_t read_count = 0; chaoskey_read() local
427 read_count += this_time; chaoskey_read()
433 if (read_count) { chaoskey_read()
434 usb_dbg(dev->interface, "read %zu bytes", read_count); chaoskey_read()
435 return read_count; chaoskey_read()
/linux-4.4.14/drivers/hwtracing/coresight/
H A Dcoresight-tmc.c108 * @read_count: manages preparation of buffer for reading.
123 int read_count; member in struct:tmc_drvdata
492 if (drvdata->read_count++) tmc_open()
541 if (--drvdata->read_count) { tmc_release()
542 if (drvdata->read_count < 0) { tmc_release()
544 drvdata->read_count = 0; tmc_release()
/linux-4.4.14/drivers/media/usb/em28xx/
H A Dem28xx-input.c55 unsigned int read_count:7; member in struct:em28xx_ir_poll_result
206 poll_result->read_count = (msg[0] & 0x7f); default_polling_getkey()
248 poll_result->read_count = (msg[0] & 0x7f); em2874_polling_getkey()
326 if (unlikely(poll_result.read_count != ir->last_readcount)) { em28xx_ir_handle_key()
328 poll_result.toggle_bit, poll_result.read_count, em28xx_ir_handle_key()
350 ir->last_readcount = poll_result.read_count; em28xx_ir_handle_key()
/linux-4.4.14/tools/perf/
H A Dbuiltin-lock.c106 int read_count; member in struct:lock_seq_stat
433 seq->read_count = 1; report_lock_acquire_event()
439 seq->read_count++; report_lock_acquire_event()
617 seq->read_count--; report_lock_release_event()
618 BUG_ON(seq->read_count < 0); report_lock_release_event()
619 if (!seq->read_count) { report_lock_release_event()
/linux-4.4.14/drivers/media/pci/saa7134/
H A Dsaa7134-alsa.c163 if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { saa7134_irq_alsa_done()
165 dev->dmasound.read_count, saa7134_irq_alsa_done()
178 dev->dmasound.blksize, dev->dmasound.read_count); saa7134_irq_alsa_done()
182 dev->dmasound.read_count += dev->dmasound.blksize; saa7134_irq_alsa_done()
186 if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) { saa7134_irq_alsa_done()
610 if (dev->dmasound.read_count) { snd_card_saa7134_capture_pointer()
611 dev->dmasound.read_count -= snd_pcm_lib_period_bytes(substream); snd_card_saa7134_capture_pointer()
823 dev->dmasound.read_count = 0; snd_card_saa7134_capture_open()
H A Dsaa7134.h513 unsigned int read_count; member in struct:saa7134_dmasound
/linux-4.4.14/drivers/clocksource/
H A Dsh_cmt.c87 unsigned long (*read_count)(void __iomem *base, unsigned long offs); member in struct:sh_cmt_info
190 .read_count = sh_cmt_read16,
200 .read_count = sh_cmt_read32,
210 .read_count = sh_cmt_read32,
220 .read_count = sh_cmt_read32,
230 .read_count = sh_cmt_read32,
269 return ch->cmt->info->read_count(ch->ioctrl, CMCNT); sh_cmt_read_cmcnt()
/linux-4.4.14/drivers/char/xilinx_hwicap/
H A Dbuffer_icap.c331 s32 read_count = 0; buffer_icap_get_configuration() local
356 read_count++; buffer_icap_get_configuration()
/linux-4.4.14/fs/nfs/
H A Dnfs42xdr.c136 p = xdr_encode_hyper(p, devinfo->read_count); encode_layoutstats()
/linux-4.4.14/drivers/tty/serial/
H A Dioc3_serial.c1397 int read_count = 0, read_room, flip = 0; receive_chars() local
1411 read_count = do_read(the_port, ch, MAX_CHARS); receive_chars()
1412 if (read_count > 0) { receive_chars()
1415 read_count); receive_chars()
1416 the_port->icount.rx += read_count; receive_chars()
1423 return read_count; receive_chars()
H A Dioc4_serial.c2345 int read_count, request_count = IOC4_MAX_CHARS; receive_chars() local
2360 read_count = do_read(the_port, ch, request_count); receive_chars()
2361 if (read_count > 0) { receive_chars()
2362 tty_insert_flip_string(&state->port, ch, read_count); receive_chars()
2363 icount->rx += read_count; receive_chars()
/linux-4.4.14/drivers/misc/mic/scif/
H A Dscif_api.c1013 int curr_recv_len = 0, remaining_len = len, read_count; _scif_recv() local
1022 read_count = scif_rb_count(&qp->inbound_q, remaining_len); _scif_recv()
1023 if (read_count) { _scif_recv()
1029 curr_recv_len = min(remaining_len, read_count); _scif_recv()
/linux-4.4.14/drivers/media/common/siano/
H A Dsmscoreapi.h1060 u32 read_count; /* number of bytes to read */ member in struct:sms_i2c_req
1066 u32 read_count; /* number of bytes read */ member in struct:sms_i2c_res
/linux-4.4.14/drivers/scsi/
H A Dosst.h584 int read_count; member in struct:osst_tape
H A Dosst.c1256 STp->read_count++; osst_get_logical_frame()
4905 if (STp->read_count) os_scsi_tape_flush()
4906 printk(" in %d frames read", STp->read_count); os_scsi_tape_flush()
4912 STp->read_count = 0;
/linux-4.4.14/drivers/char/pcmcia/
H A Dsynclink_cs.c833 unsigned char fifo_count, read_count, i; rx_ready_hdlc() local
861 read_count = 1; rx_ready_hdlc()
864 read_count = 2; rx_ready_hdlc()
867 fifo_count -= read_count; rx_ready_hdlc()
869 buf->status = data[--read_count]; rx_ready_hdlc()
871 for (i = 0; i < read_count; i++) { rx_ready_hdlc()
/linux-4.4.14/include/linux/
H A Dnfs_xdr.h334 __u64 read_count; member in struct:nfs42_layoutstat_devinfo
/linux-4.4.14/fs/nfs/flexfilelayout/
H A Dflexfilelayout.c2048 devinfo->read_count = mirror->read_stat.io_stat.ops_completed; ff_layout_mirror_prepare_stats()

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