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Searched refs:read_index (Results 1 – 14 of 14) sorted by relevance

/linux/drivers/s390/char/
A Dmonreader.c51 unsigned int read_index; member
158 monpriv->read_index = (monpriv->read_index + 1) % in mon_send_reply()
212 monmsg = monpriv->msg_array[monpriv->read_index]; in mon_next_message()
218 monpriv->read_index = (monpriv->read_index + 1) % in mon_next_message()
352 monpriv->read_index = 0; in mon_close()
383 monmsg = monpriv->msg_array[monpriv->read_index]; in mon_read()
/linux/drivers/hv/
A Dring_buffer.c66 if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) { in hv_signal_on_write()
139 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_ringbuffer_availbytes()
167 debug_info->current_read_index = ring_info->ring_buffer->read_index; in hv_ringbuffer_get_debuginfo()
244 ring_info->ring_buffer->read_index = in hv_ringbuffer_init()
588 start_read_index = rbi->ring_buffer->read_index; in hv_pkt_iter_close()
589 rbi->ring_buffer->read_index = rbi->priv_read_index; in hv_pkt_iter_close()
/linux/drivers/gpu/drm/msm/adreno/
A Da6xx_hfi.c30 u32 i, hdr, index = header->read_index; in a6xx_hfi_queue_read()
32 if (header->read_index == header->write_index) { in a6xx_hfi_queue_read()
58 header->read_index = index; in a6xx_hfi_queue_read()
70 space = CIRC_SPACE(header->write_index, header->read_index, in a6xx_hfi_queue_write()
598 if (queue->header->read_index != queue->header->write_index) in a6xx_hfi_stop()
601 queue->header->read_index = 0; in a6xx_hfi_stop()
626 header->read_index = 0; in a6xx_hfi_queue_init()
A Da6xx_hfi.h27 u32 read_index; member
/linux/sound/soc/codecs/
A Dwm_adsp.c158 int read_index; member
1367 buf->read_index = -1; in wm_adsp_buffer_clear()
1639 int write_index, read_index, avail; in wm_adsp_buffer_update_avail() local
1643 if (buf->read_index < 0) { in wm_adsp_buffer_update_avail()
1652 if (read_index < 0) { in wm_adsp_buffer_update_avail()
1657 buf->read_index = read_index; in wm_adsp_buffer_update_avail()
1667 avail = write_index - buf->read_index; in wm_adsp_buffer_update_avail()
1820 (buf->read_index - buf->regions[i].offset); in wm_adsp_buffer_capture_block()
1843 buf->read_index += nwords; in wm_adsp_buffer_capture_block()
1845 buf->read_index = 0; in wm_adsp_buffer_capture_block()
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/linux/drivers/i2c/busses/
A Di2c-eg20t.c551 int read_index; in pch_i2c_readbytes() local
556 for (loop = 1, read_index = 0; loop < length; loop++) { in pch_i2c_readbytes()
557 buf[read_index] = ioread32(p + PCH_I2CDR); in pch_i2c_readbytes()
560 read_index++; in pch_i2c_readbytes()
569 buf[read_index] = ioread32(p + PCH_I2CDR); /* Read final - 1 */ in pch_i2c_readbytes()
572 read_index++; in pch_i2c_readbytes()
583 buf[read_index++] = ioread32(p + PCH_I2CDR); /* Read Final */ in pch_i2c_readbytes()
584 count = read_index; in pch_i2c_readbytes()
/linux/drivers/net/wireless/ath/ath10k/
A Dce.c1077 unsigned int read_index; in _ath10k_ce_completed_send_next_nolock() local
1090 if (read_index == 0xffffffff) in _ath10k_ce_completed_send_next_nolock()
1093 read_index &= nentries_mask; in _ath10k_ce_completed_send_next_nolock()
1094 src_ring->hw_index = read_index; in _ath10k_ce_completed_send_next_nolock()
1100 read_index = src_ring->hw_index; in _ath10k_ce_completed_send_next_nolock()
1102 if (read_index == sw_index) in _ath10k_ce_completed_send_next_nolock()
1130 unsigned int read_index; in _ath10k_ce_completed_send_next_nolock_64() local
1143 if (read_index == 0xffffffff) in _ath10k_ce_completed_send_next_nolock_64()
1146 read_index &= nentries_mask; in _ath10k_ce_completed_send_next_nolock_64()
1147 src_ring->hw_index = read_index; in _ath10k_ce_completed_send_next_nolock_64()
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/linux/drivers/misc/ibmasm/
A Dremote.h97 #define get_queue_entry(sp, read_index) \ argument
98 ((void*)(queue_begin + read_index * sizeof(struct remote_input)))
/linux/drivers/usb/misc/
A Diowarrior.c261 static int read_index(struct iowarrior *dev) in read_index() function
298 if ((read_idx = read_index(dev)) == -1) { in iowarrior_read()
307 read_index in iowarrior_read()
692 if (read_index(dev) != -1) in iowarrior_poll()
/linux/include/linux/
A Dhyperv.h118 u32 read_index; member
196 read_loc = rbi->ring_buffer->read_index; in hv_get_bytes_to_read()
210 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_bytes_to_write()
/linux/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()
/linux/drivers/net/ethernet/sfc/
A Drx_common.c94 unsigned int read_index = rx_queue->page_remove & in efx_recycle_rx_page() local
101 if (read_index == index) in efx_recycle_rx_page()
/linux/drivers/comedi/drivers/
A Dcb_pcidas64.c2679 int read_segment, read_index, write_segment, write_index; in pio_drain_ai_fifo_16() local
2684 read_index = readw(devpriv->main_iobase + ADC_READ_PNTR_REG) & in pio_drain_ai_fifo_16()
2706 devpriv->ai_fifo_segment_length - read_index; in pio_drain_ai_fifo_16()
2708 num_samples = write_index - read_index; in pio_drain_ai_fifo_16()
/linux/fs/jfs/
A Djfs_dtree.c536 static int read_index(struct inode *ip, u32 index, in read_index() function
3056 rc = read_index(ip, dir_index, &dirtab_slot); in jfs_readdir()

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