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Searched refs:read_index (Results 1 – 18 of 18) sorted by relevance

/drivers/staging/media/ipu7/
A Dipu7-syscom.c27 u32 read_index = readl(queue_indices + in ipu7_syscom_get_token() local
29 read_index)); in ipu7_syscom_get_token()
34 bool empty = (write_index == read_index); in ipu7_syscom_get_token()
38 read_index * in ipu7_syscom_get_token()
42 bool full = (read_index == ((write_index + 1U) % in ipu7_syscom_get_token()
61 offset = offsetof(struct syscom_queue_indices_s, read_index); in ipu7_syscom_put_token()
/drivers/accel/ivpu/
A Divpu_fw_log.c98 u32 log_start = only_new_msgs ? READ_ONCE(log->read_index) : 0; in fw_log_print_buffer()
148 log->read_index = READ_ONCE(log->write_index); in ivpu_fw_log_mark_read()
154 log->read_index = READ_ONCE(log->write_index); in ivpu_fw_log_mark_read()
166 log->read_index = 0; in ivpu_fw_log_reset()
172 log->read_index = 0; in ivpu_fw_log_reset()
A Dvpu_boot_api.h425 u32 read_index; member
/drivers/s390/char/
A Dmonreader.c52 unsigned int read_index; member
159 monpriv->read_index = (monpriv->read_index + 1) % in mon_send_reply()
213 monmsg = monpriv->msg_array[monpriv->read_index]; in mon_next_message()
219 monpriv->read_index = (monpriv->read_index + 1) % in mon_next_message()
353 monpriv->read_index = 0; in mon_close()
384 monmsg = monpriv->msg_array[monpriv->read_index]; in mon_read()
/drivers/hv/
A Dring_buffer.c67 if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) { in hv_signal_on_write()
140 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_ringbuffer_availbytes()
168 debug_info->current_read_index = ring_info->ring_buffer->read_index; in hv_ringbuffer_get_debuginfo()
223 ring_info->ring_buffer->read_index = in hv_ringbuffer_init()
583 start_read_index = rbi->ring_buffer->read_index; in hv_pkt_iter_close()
584 rbi->ring_buffer->read_index = rbi->priv_read_index; in hv_pkt_iter_close()
/drivers/net/ethernet/sfc/
A Def100_rep.c396 unsigned int read_index; in efx_ef100_rep_poll() local
405 read_index = efv->write_index; in efx_ef100_rep_poll()
418 efv->read_index = read_index; in efx_ef100_rep_poll()
424 need_resched = efv->write_index != read_index; in efx_ef100_rep_poll()
441 if (efv->write_index - READ_ONCE(efv->read_index) > efv->rx_pring_size) { in efx_ef100_rep_rx_packet()
474 primed = efv->read_index == efv->write_index; in efx_ef100_rep_rx_packet()
A Def100_rep.h52 unsigned int write_index, read_index; member
A Drx_common.c88 unsigned int read_index = rx_queue->page_remove & in efx_recycle_rx_page() local
95 if (read_index == index) in efx_recycle_rx_page()
/drivers/i2c/busses/
A Di2c-eg20t.c533 int read_index; in pch_i2c_readbytes() local
538 for (loop = 1, read_index = 0; loop < length; loop++) { in pch_i2c_readbytes()
539 buf[read_index] = ioread32(p + PCH_I2CDR); in pch_i2c_readbytes()
542 read_index++; in pch_i2c_readbytes()
551 buf[read_index] = ioread32(p + PCH_I2CDR); /* Read final - 1 */ in pch_i2c_readbytes()
554 read_index++; in pch_i2c_readbytes()
565 buf[read_index++] = ioread32(p + PCH_I2CDR); /* Read Final */ in pch_i2c_readbytes()
566 count = read_index; in pch_i2c_readbytes()
/drivers/net/wireless/ath/ath10k/
A Dce.c1013 unsigned int read_index; in _ath10k_ce_completed_send_next_nolock() local
1026 if (read_index == 0xffffffff) in _ath10k_ce_completed_send_next_nolock()
1029 read_index &= nentries_mask; in _ath10k_ce_completed_send_next_nolock()
1030 src_ring->hw_index = read_index; in _ath10k_ce_completed_send_next_nolock()
1036 read_index = src_ring->hw_index; in _ath10k_ce_completed_send_next_nolock()
1038 if (read_index == sw_index) in _ath10k_ce_completed_send_next_nolock()
1066 unsigned int read_index; in _ath10k_ce_completed_send_next_nolock_64() local
1079 if (read_index == 0xffffffff) in _ath10k_ce_completed_send_next_nolock_64()
1082 read_index &= nentries_mask; in _ath10k_ce_completed_send_next_nolock_64()
1083 src_ring->hw_index = read_index; in _ath10k_ce_completed_send_next_nolock_64()
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/drivers/gpu/drm/msm/adreno/
A Da6xx_hfi.c33 u32 i, hdr, index = header->read_index; in a6xx_hfi_queue_read()
35 if (header->read_index == header->write_index) { in a6xx_hfi_queue_read()
63 header->read_index = index; in a6xx_hfi_queue_read()
75 space = CIRC_SPACE(header->write_index, header->read_index, in a6xx_hfi_queue_write()
926 if (queue->header->read_index != queue->header->write_index) in a6xx_hfi_stop()
929 queue->header->read_index = 0; in a6xx_hfi_stop()
960 header->read_index = 0; in a6xx_hfi_queue_init()
A Da6xx_hfi.h27 u32 read_index; member
/drivers/misc/ibmasm/
A Dremote.h97 #define get_queue_entry(sp, read_index) \ argument
98 ((void*)(queue_begin + read_index * sizeof(struct remote_input)))
/drivers/staging/media/ipu7/abi/
A Dipu7_fw_syscom_abi.h43 u32 read_index; member
/drivers/usb/misc/
A Diowarrior.c261 static int read_index(struct iowarrior *dev) in read_index() function
313 if ((read_idx = read_index(dev)) == -1) { in iowarrior_read()
324 read_index in iowarrior_read()
717 if (read_index(dev) != -1) in iowarrior_poll()
/drivers/net/ethernet/sfc/falcon/
A Drx.c258 unsigned read_index = rx_queue->page_remove & in ef4_recycle_rx_page() local
265 if (read_index == index) in ef4_recycle_rx_page()
/drivers/net/ethernet/sfc/siena/
A Drx_common.c91 unsigned int read_index = rx_queue->page_remove & in efx_recycle_rx_page() local
98 if (read_index == index) in efx_recycle_rx_page()
/drivers/comedi/drivers/
A Dcb_pcidas64.c2673 int read_segment, read_index, write_segment, write_index; in pio_drain_ai_fifo_16() local
2678 read_index = readw(devpriv->main_iobase + ADC_READ_PNTR_REG) & in pio_drain_ai_fifo_16()
2700 devpriv->ai_fifo_segment_length - read_index; in pio_drain_ai_fifo_16()
2702 num_samples = write_index - read_index; in pio_drain_ai_fifo_16()

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