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

/drivers/misc/mei/
A Ddma-ring.c175 u32 rd_idx, rem, slots; in mei_dma_ring_read() local
193 if (rd_idx + slots > dbuf_depth) { in mei_dma_ring_read()
194 buf += mei_dma_copy_from(dev, buf, rd_idx, dbuf_depth - rd_idx); in mei_dma_ring_read()
195 rem = slots - (dbuf_depth - rd_idx); in mei_dma_ring_read()
196 rd_idx = 0; in mei_dma_ring_read()
201 mei_dma_copy_from(dev, buf, rd_idx, rem); in mei_dma_ring_read()
220 u32 wr_idx, rd_idx, hbuf_depth, empty; in mei_dma_ring_empty_slots() local
230 rd_idx = READ_ONCE(ctrl->hbuf_rd_idx); in mei_dma_ring_empty_slots()
233 if (rd_idx > wr_idx) in mei_dma_ring_empty_slots()
234 empty = rd_idx - wr_idx; in mei_dma_ring_empty_slots()
[all …]
/drivers/scsi/snic/
A Dsnic_trc.c29 if (trc->wr_idx != trc->rd_idx) { in snic_get_trc_buf()
35 trc->rd_idx++; in snic_get_trc_buf()
36 if (trc->rd_idx == trc->max_idx) in snic_get_trc_buf()
37 trc->rd_idx = 0; in snic_get_trc_buf()
82 if (trc->rd_idx == trc->wr_idx) { in snic_get_trc_data()
87 td = &trc->buf[trc->rd_idx]; in snic_get_trc_data()
96 trc->rd_idx++; in snic_get_trc_data()
97 if (trc->rd_idx == trc->max_idx) in snic_get_trc_data()
98 trc->rd_idx = 0; in snic_get_trc_data()
130 trc->rd_idx = trc->wr_idx = 0; in snic_trc_init()
A Dsnic_trc.h32 u32 rd_idx; member
/drivers/scsi/fnic/
A Dfnic_trace.c107 int rd_idx; in fnic_get_trace_data() local
116 rd_idx = fnic_trace_entries.rd_idx; in fnic_get_trace_data()
118 if (wr_idx < rd_idx) { in fnic_get_trace_data()
146 rd_idx++; in fnic_get_trace_data()
152 rd_idx = 0; in fnic_get_trace_data()
157 if (rd_idx == wr_idx) in fnic_get_trace_data()
188 rd_idx++; in fnic_get_trace_data()
780 int rd_idx, wr_idx; in fnic_fc_trace_get_data() local
792 rd_idx = fc_trace_entries.rd_idx; in fnic_fc_trace_get_data()
823 rd_idx++; in fnic_fc_trace_get_data()
[all …]
A Dfnic_trace.h36 int rd_idx; member
/drivers/net/ethernet/cavium/liquidio/
A Docteon_console.c738 u32 rd_idx) in octeon_console_free_bytes() argument
740 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_free_bytes()
743 return ((buffer_size - 1) - (wr_idx - rd_idx)) % buffer_size; in octeon_console_free_bytes()
748 u32 rd_idx) in octeon_console_avail_bytes() argument
750 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_avail_bytes()
761 u32 rd_idx, wr_idx; in octeon_console_read() local
775 rd_idx = octeon_read_device_mem32(oct, console->addr + in octeon_console_read()
781 wr_idx, rd_idx); in octeon_console_read()
790 if (rd_idx + bytes_to_read >= console->buffer_size) in octeon_console_read()
791 bytes_to_read = console->buffer_size - rd_idx; in octeon_console_read()
[all …]
/drivers/misc/bcm-vk/
A Dbcm_vk_msg.c90 u32 wr_idx, rd_idx; in msgq_occupied() local
93 rd_idx = readl_relaxed(&msgq->rd_idx); in msgq_occupied()
487 readl_relaxed(&msgq->rd_idx), in bcm_vk_sync_msgq()
668 readl_relaxed(&msgq->rd_idx), in bcm_to_v_msg_enqueue()
785 u32 rd_idx, wr_idx; in bcm_to_h_msg_dequeue() local
807 rd_idx = readl_relaxed(&msgq->rd_idx); in bcm_to_h_msg_dequeue()
825 if ((rd_idx >= qinfo->q_size) || in bcm_to_h_msg_dequeue()
829 rd_idx, src_size, qinfo->q_size); in bcm_to_h_msg_dequeue()
845 rd_idx = msgq_inc(qinfo, rd_idx, 1); in bcm_to_h_msg_dequeue()
860 writel(rd_idx, &msgq->rd_idx); in bcm_to_h_msg_dequeue()
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A Dbcm_vk_dev.c254 log.buf_size, log.mask, log.rd_idx, log.wr_idx); in bcm_vk_dump_peer_log()
262 if ((log.rd_idx > log_info->mask) || in bcm_vk_dump_peer_log()
270 log.rd_idx, log.wr_idx); in bcm_vk_dump_peer_log()
277 while (log.rd_idx != log.wr_idx) { in bcm_vk_dump_peer_log()
278 loc_buf[cnt] = vkread8(vk, BAR_2, data_offset + log.rd_idx); in bcm_vk_dump_peer_log()
287 log.rd_idx = (log.rd_idx + 1) & log.mask; in bcm_vk_dump_peer_log()
290 vkwrite32(vk, log.rd_idx, BAR_2, in bcm_vk_dump_peer_log()
291 vk->peerlog_off + offsetof(struct bcm_vk_peer_log, rd_idx)); in bcm_vk_dump_peer_log()
420 (vk->peerlog_info.rd_idx > vk->peerlog_info.mask) || in bcm_vk_get_card_info()
425 vk->peerlog_info.rd_idx, in bcm_vk_get_card_info()
[all …]
A Dbcm_vk_msg.h18 u32 rd_idx; /* read idx */ member
A Dbcm_vk.h310 u32 rd_idx; member
/drivers/net/ethernet/marvell/prestera/
A Dprestera_pci.c98 u32 rd_idx; member
250 u32 rd_idx = prestera_fw_read(fw, PRESTERA_EVTQ_RD_IDX_REG(qid)); in prestera_fw_evtq_avail() local
252 return CIRC_CNT(wr_idx, rd_idx, prestera_fw_evtq_len(fw, qid)); in prestera_fw_evtq_avail()
258 u32 rd_idx = idx & (prestera_fw_evtq_len(fw, qid) - 1); in prestera_fw_evtq_rd_set() local
260 prestera_fw_write(fw, PRESTERA_EVTQ_RD_IDX_REG(qid), rd_idx); in prestera_fw_evtq_rd_set()
270 u32 rd_idx = prestera_fw_read(fw, PRESTERA_EVTQ_RD_IDX_REG(qid)); in prestera_fw_evtq_read32() local
273 val = readl(prestera_fw_evtq_buf(fw, qid) + rd_idx); in prestera_fw_evtq_read32()
274 prestera_fw_evtq_rd_set(fw, qid, rd_idx + 4); in prestera_fw_evtq_read32()
550 u32 rd_idx; in prestera_ldr_wait_buf() local
552 return readl_poll_timeout(addr, rd_idx, in prestera_ldr_wait_buf()
[all …]
/drivers/net/ethernet/netronome/nfp/nfdk/
A Drings.c20 int nr_frags, rd_idx; in nfp_nfdk_tx_ring_reset() local
23 rd_idx = D_IDX(tx_ring, tx_ring->rd_p); in nfp_nfdk_tx_ring_reset()
24 txbuf = &tx_ring->ktxbufs[rd_idx]; in nfp_nfdk_tx_ring_reset()
/drivers/media/platform/qcom/venus/
A Dhfi_venus.c168 u32 empty_space, rd_idx, wr_idx, qsize; in venus_write_queue() local
184 rd_idx = qhdr->read_idx; in venus_write_queue()
193 if (wr_idx >= rd_idx) in venus_write_queue()
194 empty_space = qsize - (wr_idx - rd_idx); in venus_write_queue()
196 empty_space = rd_idx - wr_idx; in venus_write_queue()
245 u32 rd_idx, wr_idx, type, qsize; in venus_read_queue() local
258 rd_idx = qhdr->read_idx; in venus_read_queue()
278 if (rd_idx == wr_idx) { in venus_read_queue()
296 new_rd_idx = rd_idx + dwords; in venus_read_queue()
324 rd_idx = qhdr->read_idx; in venus_read_queue()
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/drivers/net/wwan/t7xx/
A Dt7xx_hif_dpmaif.c42 unsigned int t7xx_ring_buf_rd_wr_count(unsigned int total_cnt, unsigned int rd_idx, in t7xx_ring_buf_rd_wr_count() argument
48 pkt_cnt = wr_idx - rd_idx; in t7xx_ring_buf_rd_wr_count()
50 pkt_cnt = rd_idx - wr_idx - 1; in t7xx_ring_buf_rd_wr_count()
A Dt7xx_hif_dpmaif.h199 unsigned int t7xx_ring_buf_rd_wr_count(unsigned int total_cnt, unsigned int rd_idx,
A Dt7xx_dpmaif.c1189 unsigned int wr_idx, rd_idx; in t7xx_dpmaif_hw_stop_all_rxq() local
1206 rd_idx = ioread32(hw_info->pcie_base + DPMAIF_AO_DL_PIT_RD_IDX); in t7xx_dpmaif_hw_stop_all_rxq()
1207 rd_idx &= DPMAIF_DL_RD_WR_IDX_MSK; in t7xx_dpmaif_hw_stop_all_rxq()
1209 if (wr_idx == rd_idx) in t7xx_dpmaif_hw_stop_all_rxq()
/drivers/rapidio/devices/
A Dtsi721_dma.c423 u32 idx, rd_idx; in tsi721_submit_sg() local
442 rd_idx = ioread32(bdma_chan->regs + TSI721_DMAC_DRDCNT); in tsi721_submit_sg()
443 rd_idx %= (bdma_chan->bd_num + 1); in tsi721_submit_sg()
453 bdma_chan->id, rd_idx, idx); in tsi721_submit_sg()
486 if (i && idx == rd_idx) { in tsi721_submit_sg()
/drivers/irqchip/
A Dirq-gic-v3-its.c1170 u64 rd_idx, to_idx, linear_idx; in its_wait_for_range_completion() local
1183 rd_idx = readl_relaxed(its->base + GITS_CREADR); in its_wait_for_range_completion()
1189 delta = rd_idx - prev_idx; in its_wait_for_range_completion()
1190 if (rd_idx < prev_idx) in its_wait_for_range_completion()
1203 prev_idx = rd_idx; in its_wait_for_range_completion()
1220 u64 rd_idx; \
1242 rd_idx = readl_relaxed(its->base + GITS_CREADR); \
1246 if (its_wait_for_range_completion(its, rd_idx, next_cmd)) \

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