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

/linux-master/drivers/scsi/snic/
H A Dsnic_trc.c23 td = &trc->buf[trc->wr_idx];
24 trc->wr_idx++;
26 if (trc->wr_idx == trc->max_idx)
27 trc->wr_idx = 0;
29 if (trc->wr_idx != trc->rd_idx) {
82 if (trc->rd_idx == trc->wr_idx) {
130 trc->rd_idx = trc->wr_idx = 0;
H A Dsnic_trc.h33 u32 wr_idx; member in struct:snic_trc
/linux-master/drivers/misc/mei/
H A Ddma-ring.c220 u32 wr_idx, rd_idx, hbuf_depth, empty; local
231 wr_idx = READ_ONCE(ctrl->hbuf_wr_idx);
233 if (rd_idx > wr_idx)
234 empty = rd_idx - wr_idx;
236 empty = hbuf_depth - (wr_idx - rd_idx);
252 u32 wr_idx, rem, slots; local
259 wr_idx = READ_ONCE(ctrl->hbuf_wr_idx) & (hbuf_depth - 1);
262 if (wr_idx + slots > hbuf_depth) {
263 buf += mei_dma_copy_to(dev, buf, wr_idx, hbuf_depth - wr_idx);
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/linux-master/drivers/scsi/fnic/
H A Dfnic_trace.c37 * This routine gets next available trace buffer entry location @wr_idx
54 * at @wr_idx and increment @wr_idx
57 fnic_trace_entries.page_offset[fnic_trace_entries.wr_idx];
58 fnic_trace_entries.wr_idx++;
64 if (fnic_trace_entries.wr_idx >= fnic_max_trace_entries)
65 fnic_trace_entries.wr_idx = 0;
68 * Verify if write index @wr_idx and read index @rd_idx are same then
71 if (fnic_trace_entries.wr_idx == fnic_trace_entries.rd_idx) {
88 * from the beginning of the log and process until the current entry @wr_idx
96 int wr_idx; local
727 int rd_idx, wr_idx; local
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H A Dfnic_trace.h35 int wr_idx; member in struct:fnic_trace_dbg
/linux-master/drivers/net/ethernet/netronome/nfp/
H A Dnfp_net_xsk.c61 unsigned int wr_idx, wr_ptr_add = 0; local
65 wr_idx = D_IDX(rx_ring, rx_ring->wr_p);
71 nfp_net_xsk_rx_bufs_stash(rx_ring, wr_idx, xdp);
77 nfp_desc_set_dma_addr_48b(&rx_ring->rxds[wr_idx].fld,
78 rx_ring->xsk_rxbufs[wr_idx].dma_addr);
H A Dnfp_net_dp.c97 unsigned int wr_idx, last_idx; local
106 wr_idx = D_IDX(rx_ring, rx_ring->wr_p);
109 rx_ring->xsk_rxbufs[wr_idx] = rx_ring->xsk_rxbufs[last_idx];
113 rx_ring->rxbufs[wr_idx] = rx_ring->rxbufs[last_idx];
/linux-master/drivers/net/ethernet/netronome/nfp/nfd3/
H A Ddp.c258 int f, nr_frags, wr_idx, md_bytes; local
307 wr_idx = D_IDX(tx_ring, tx_ring->wr_p);
310 txbuf = &tx_ring->txbufs[wr_idx];
318 txd = &tx_ring->txds[wr_idx];
355 wr_idx = D_IDX(tx_ring, wr_idx + 1);
356 tx_ring->txbufs[wr_idx].skb = skb;
357 tx_ring->txbufs[wr_idx].dma_addr = dma_addr;
358 tx_ring->txbufs[wr_idx].fidx = f;
360 txd = &tx_ring->txds[wr_idx];
591 unsigned int wr_idx; local
844 int wr_idx; local
1216 int wr_idx; local
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H A Dxsk.c24 unsigned int wr_idx; local
32 wr_idx = D_IDX(tx_ring, tx_ring->wr_p);
34 txbuf = &tx_ring->txbufs[wr_idx];
40 txd = &tx_ring->txds[wr_idx];
339 u32 pkts = 0, wr_idx; local
352 wr_idx = D_IDX(tx_ring, tx_ring->wr_p + i);
353 prefetchw(&tx_ring->txds[wr_idx]);
360 wr_idx = D_IDX(tx_ring, tx_ring->wr_p + i);
362 tx_ring->txbufs[wr_idx].real_len = desc[i].len;
363 tx_ring->txbufs[wr_idx]
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/linux-master/drivers/net/ethernet/netronome/nfp/nfdk/
H A Ddp.c126 unsigned int wr_idx; local
164 wr_idx = D_IDX(tx_ring, wr_p);
165 tx_ring->ktxbufs[wr_idx].skb = NULL;
166 txd = &tx_ring->ktxds[wr_idx];
266 int nr_frags, wr_idx; local
301 wr_idx = D_IDX(tx_ring, tx_ring->wr_p);
302 txd = &tx_ring->ktxds[wr_idx];
303 txbuf = &tx_ring->ktxbufs[wr_idx];
409 cnt = txd - tx_ring->ktxds - wr_idx;
410 if (unlikely(round_down(wr_idx, NFDK_TX_DESC_BLOCK_CN
611 unsigned int wr_idx; local
910 int wr_idx; local
1328 int wr_idx; local
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/linux-master/drivers/misc/bcm-vk/
H A Dbcm_vk_msg.c90 u32 wr_idx, rd_idx; local
92 wr_idx = readl_relaxed(&msgq->wr_idx);
95 return ((wr_idx - rd_idx) & qinfo->q_mask);
481 "MsgQ[%d] type %d num %d, @ 0x%x, db_offset 0x%x rd_idx %d wr_idx %d, size %d, nxt 0x%x\n",
488 readl_relaxed(&msgq->wr_idx),
603 u32 wr_idx; /* local copy */ local
642 wr_idx = readl_relaxed(&msgq->wr_idx);
644 if (wr_idx >
785 u32 rd_idx, wr_idx; local
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H A Dbcm_vk_msg.h19 u32 wr_idx; /* write idx */ member in struct:bcm_vk_msgq
H A Dbcm_vk_dev.c254 log.buf_size, log.mask, log.rd_idx, log.wr_idx);
263 (log.wr_idx > log_info->mask) ||
270 log.rd_idx, log.wr_idx);
277 while (log.rd_idx != log.wr_idx) {
421 (vk->peerlog_info.wr_idx > vk->peerlog_info.mask)) {
426 vk->peerlog_info.wr_idx);
433 vk->peerlog_info.wr_idx);
H A Dbcm_vk.h311 u32 wr_idx; member in struct:bcm_vk_peer_log
/linux-master/drivers/net/ethernet/cavium/liquidio/
H A Docteon_console.c737 u32 wr_idx,
740 if (rd_idx >= buffer_size || wr_idx >= buffer_size)
743 return ((buffer_size - 1) - (wr_idx - rd_idx)) % buffer_size;
747 u32 wr_idx,
750 if (rd_idx >= buffer_size || wr_idx >= buffer_size)
754 octeon_console_free_bytes(buffer_size, wr_idx, rd_idx);
761 u32 rd_idx, wr_idx; local
777 wr_idx = octeon_read_device_mem32(oct, console->addr +
781 wr_idx, rd_idx);
736 octeon_console_free_bytes(u32 buffer_size, u32 wr_idx, u32 rd_idx) argument
746 octeon_console_avail_bytes(u32 buffer_size, u32 wr_idx, u32 rd_idx) argument
/linux-master/drivers/media/radio/wl128x/
H A Dfmdrv_common.c795 memcpy(&rds->buff[rds->wr_idx], &tmpbuf, FM_RDS_BLK_SIZE);
796 rds->wr_idx = (rds->wr_idx + FM_RDS_BLK_SIZE) % rds->buf_size;
799 if (rds->wr_idx == rds->rd_idx) {
801 rds->wr_idx = 0;
811 if (rds->wr_idx != rds->rd_idx)
1054 if (fmdev->rx.rds.rd_idx != fmdev->rx.rds.wr_idx)
1069 if (fmdev->rx.rds.wr_idx == fmdev->rx.rds.rd_idx) {
1074 (fmdev->rx.rds.wr_idx != fmdev->rx.rds.rd_idx));
1087 if (fmdev->rx.rds.wr_idx
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H A Dfmdrv.h117 u32 wr_idx; member in struct:fm_rds
H A Dfmdrv_rx.c19 fmdev->rx.rds.wr_idx = 0;
722 fmdev->rx.rds.wr_idx = 0;
/linux-master/drivers/media/platform/qcom/venus/
H A Dhfi_venus.c168 u32 empty_space, rd_idx, wr_idx, qsize; local
185 wr_idx = qhdr->write_idx;
190 if (wr_idx >= rd_idx)
191 empty_space = qsize - (wr_idx - rd_idx);
193 empty_space = rd_idx - wr_idx;
206 new_wr_idx = wr_idx + dwords;
207 wr_ptr = (u32 *)(queue->qmem.kva + (wr_idx << 2));
241 u32 rd_idx, wr_idx, type, qsize; local
255 wr_idx = qhdr->write_idx;
271 if (rd_idx == wr_idx) {
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/linux-master/drivers/net/wwan/t7xx/
H A Dt7xx_hif_dpmaif.h200 unsigned int wr_idx, enum dpmaif_rdwr);
H A Dt7xx_hif_dpmaif.c43 unsigned int wr_idx, enum dpmaif_rdwr rd_wr)
48 pkt_cnt = wr_idx - rd_idx;
50 pkt_cnt = rd_idx - wr_idx - 1;
42 t7xx_ring_buf_rd_wr_count(unsigned int total_cnt, unsigned int rd_idx, unsigned int wr_idx, enum dpmaif_rdwr rd_wr) argument
H A Dt7xx_dpmaif.c1189 unsigned int wr_idx, rd_idx; local
1204 wr_idx = ioread32(hw_info->pcie_base + DPMAIF_AO_DL_PIT_WR_IDX);
1205 wr_idx &= DPMAIF_DL_RD_WR_IDX_MSK;
1209 if (wr_idx == rd_idx)
/linux-master/drivers/net/ethernet/marvell/prestera/
H A Dprestera_pci.c100 u32 wr_idx; member in struct:prestera_fw_evtq_regs
178 #define PRESTERA_EVTQ_WR_IDX_REG(q) PRESTERA_EVTQ_REG_OFFSET(q, wr_idx)
249 u32 wr_idx = prestera_fw_read(fw, PRESTERA_EVTQ_WR_IDX_REG(qid)); local
252 return CIRC_CNT(wr_idx, rd_idx, prestera_fw_evtq_len(fw, qid));
549 u32 wr_idx = fw->ldr_wr_idx; local
553 CIRC_SPACE(wr_idx, rd_idx, buf_len) >= len,
/linux-master/drivers/media/pci/ivtv/
H A Divtv-fileops.c163 u32 wr_idx = (read_enc(itv->pgm_info_offset) - itv->pgm_info_offset - 4) / 24; local
167 if (wr_idx >= itv->pgm_info_num) {
168 IVTV_DEBUG_WARN("Invalid PGM index %d (>= %d)\n", wr_idx, itv->pgm_info_num);
171 cnt = (wr_idx + itv->pgm_info_num - itv->pgm_info_write_idx) % itv->pgm_info_num;

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