| /Linux-v5.4/drivers/misc/mei/ |
| D | dma-ring.c | 171 u32 rd_idx, rem, slots; in mei_dma_ring_read() local
182 rd_idx = READ_ONCE(ctrl->dbuf_rd_idx) & (dbuf_depth - 1); in mei_dma_ring_read()
189 if (rd_idx + slots > dbuf_depth) { in mei_dma_ring_read()
190 buf += mei_dma_copy_from(dev, buf, rd_idx, dbuf_depth - rd_idx); in mei_dma_ring_read()
191 rem = slots - (dbuf_depth - rd_idx); in mei_dma_ring_read()
192 rd_idx = 0; in mei_dma_ring_read()
197 mei_dma_copy_from(dev, buf, rd_idx, rem); in mei_dma_ring_read()
216 u32 wr_idx, rd_idx, hbuf_depth, empty; in mei_dma_ring_empty_slots() local
226 rd_idx = READ_ONCE(ctrl->hbuf_rd_idx); in mei_dma_ring_empty_slots()
229 if (rd_idx > wr_idx) in mei_dma_ring_empty_slots()
[all …]
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| /Linux-v5.4/drivers/scsi/snic/ |
| D | snic_trc.c | 43 if (trc->wr_idx != trc->rd_idx) { in snic_get_trc_buf()
49 trc->rd_idx++; in snic_get_trc_buf()
50 if (trc->rd_idx == trc->max_idx) in snic_get_trc_buf()
51 trc->rd_idx = 0; in snic_get_trc_buf()
96 if (trc->rd_idx == trc->wr_idx) { in snic_get_trc_data()
101 td = &trc->buf[trc->rd_idx]; in snic_get_trc_data()
110 trc->rd_idx++; in snic_get_trc_data()
111 if (trc->rd_idx == trc->max_idx) in snic_get_trc_data()
112 trc->rd_idx = 0; in snic_get_trc_data()
144 trc->rd_idx = trc->wr_idx = 0; in snic_trc_init()
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| D | snic_trc.h | 46 u32 rd_idx; member
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| /Linux-v5.4/drivers/scsi/fnic/ |
| D | fnic_trace.c | 85 if (fnic_trace_entries.wr_idx == fnic_trace_entries.rd_idx) { in fnic_trace_get_buf()
86 fnic_trace_entries.rd_idx++; in fnic_trace_get_buf()
87 if (fnic_trace_entries.rd_idx >= fnic_max_trace_entries) in fnic_trace_get_buf()
88 fnic_trace_entries.rd_idx = 0; in fnic_trace_get_buf()
109 int rd_idx; in fnic_get_trace_data() local
118 rd_idx = fnic_trace_entries.rd_idx; in fnic_get_trace_data()
120 if (wr_idx < rd_idx) { in fnic_get_trace_data()
124 fnic_trace_entries.page_offset[rd_idx]; in fnic_get_trace_data()
148 rd_idx++; in fnic_get_trace_data()
153 if (rd_idx > (fnic_max_trace_entries-1)) in fnic_get_trace_data()
[all …]
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| D | fnic_trace.h | 50 int rd_idx; member
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| /Linux-v5.4/drivers/net/ethernet/cavium/liquidio/ |
| D | octeon_console.c | 739 u32 rd_idx) in octeon_console_free_bytes() argument
741 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_free_bytes()
744 return ((buffer_size - 1) - (wr_idx - rd_idx)) % buffer_size; in octeon_console_free_bytes()
749 u32 rd_idx) in octeon_console_avail_bytes() argument
751 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_avail_bytes()
755 octeon_console_free_bytes(buffer_size, wr_idx, rd_idx); in octeon_console_avail_bytes()
762 u32 rd_idx, wr_idx; in octeon_console_read() local
776 rd_idx = octeon_read_device_mem32(oct, console->addr + in octeon_console_read()
782 wr_idx, rd_idx); in octeon_console_read()
791 if (rd_idx + bytes_to_read >= console->buffer_size) in octeon_console_read()
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| /Linux-v5.4/drivers/media/platform/qcom/venus/ |
| D | hfi_venus.c | 169 u32 empty_space, rd_idx, wr_idx, qsize; in venus_write_queue() local
185 rd_idx = qhdr->read_idx; in venus_write_queue()
191 if (wr_idx >= rd_idx) in venus_write_queue()
192 empty_space = qsize - (wr_idx - rd_idx); in venus_write_queue()
194 empty_space = rd_idx - wr_idx; in venus_write_queue()
237 u32 rd_idx, wr_idx, type, qsize; in venus_read_queue() local
250 rd_idx = qhdr->read_idx; in venus_read_queue()
267 if (rd_idx == wr_idx) { in venus_read_queue()
275 rd_ptr = (u32 *)(queue->qmem.kva + (rd_idx << 2)); in venus_read_queue()
280 new_rd_idx = rd_idx + dwords; in venus_read_queue()
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| /Linux-v5.4/drivers/media/radio/wl128x/ |
| D | fmdrv_common.c | 794 if (rds->wr_idx == rds->rd_idx) { in fm_irq_handle_rdsdata_getcmd_resp()
797 rds->rd_idx = 0; in fm_irq_handle_rdsdata_getcmd_resp()
806 if (rds->wr_idx != rds->rd_idx) in fm_irq_handle_rdsdata_getcmd_resp()
1049 if (fmdev->rx.rds.rd_idx != fmdev->rx.rds.wr_idx) in fmc_is_rds_data_available()
1064 if (fmdev->rx.rds.wr_idx == fmdev->rx.rds.rd_idx) { in fmc_transfer_rds_from_internal_buff()
1069 (fmdev->rx.rds.wr_idx != fmdev->rx.rds.rd_idx)); in fmc_transfer_rds_from_internal_buff()
1082 if (fmdev->rx.rds.wr_idx == fmdev->rx.rds.rd_idx) { in fmc_transfer_rds_from_internal_buff()
1086 memcpy(tmpbuf, &fmdev->rx.rds.buff[fmdev->rx.rds.rd_idx], in fmc_transfer_rds_from_internal_buff()
1088 fmdev->rx.rds.rd_idx += FM_RDS_BLK_SIZE; in fmc_transfer_rds_from_internal_buff()
1089 if (fmdev->rx.rds.rd_idx >= fmdev->rx.rds.buf_size) in fmc_transfer_rds_from_internal_buff()
[all …]
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| D | fmdrv.h | 118 u32 rd_idx; member
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| D | fmdrv_rx.c | 20 fmdev->rx.rds.rd_idx = 0; in fm_rx_reset_rds_cache()
723 fmdev->rx.rds.rd_idx = 0; in fm_rx_set_rds_mode()
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| /Linux-v5.4/drivers/rapidio/devices/ |
| D | tsi721_dma.c | 421 u32 idx, rd_idx; in tsi721_submit_sg() local
440 rd_idx = ioread32(bdma_chan->regs + TSI721_DMAC_DRDCNT); in tsi721_submit_sg()
441 rd_idx %= (bdma_chan->bd_num + 1); in tsi721_submit_sg()
451 bdma_chan->id, rd_idx, idx); in tsi721_submit_sg()
484 if (i && idx == rd_idx) { in tsi721_submit_sg()
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| /Linux-v5.4/drivers/irqchip/ |
| D | irq-gic-v3-its.c | 755 u64 rd_idx, to_idx, linear_idx; in its_wait_for_range_completion() local
768 rd_idx = readl_relaxed(its->base + GITS_CREADR); in its_wait_for_range_completion()
774 delta = rd_idx - prev_idx; in its_wait_for_range_completion()
775 if (rd_idx < prev_idx) in its_wait_for_range_completion()
788 prev_idx = rd_idx; in its_wait_for_range_completion()
805 u64 rd_idx; \
827 rd_idx = readl_relaxed(its->base + GITS_CREADR); \
831 if (its_wait_for_range_completion(its, rd_idx, next_cmd)) \
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