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Searched refs:CIRC_CNT (Results 1 – 25 of 33) sorted by relevance

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/Linux-v5.4/include/linux/
Dcirc_buf.h16 #define CIRC_CNT(head,tail,size) (((head) - (tail)) & ((size)-1)) macro
21 #define CIRC_SPACE(head,tail,size) CIRC_CNT((tail),((head)+1),(size))
Dserial_core.h426 (CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE))
/Linux-v5.4/net/rxrpc/
Dcall_accept.c57 tmp = CIRC_CNT(call_head, call_tail, size); in rxrpc_service_prealloc_one()
66 if (CIRC_CNT(head, tail, size) < max) { in rxrpc_service_prealloc_one()
77 if (CIRC_CNT(head, tail, size) < max) { in rxrpc_service_prealloc_one()
203 while (CIRC_CNT(head, tail, size) > 0) { in rxrpc_discard_prealloc()
211 while (CIRC_CNT(head, tail, size) > 0) { in rxrpc_discard_prealloc()
225 while (CIRC_CNT(head, tail, size) > 0) { in rxrpc_discard_prealloc()
261 call_count = CIRC_CNT(call_head, call_tail, RXRPC_BACKLOG_MAX); in rxrpc_alloc_incoming_call()
264 conn_count = CIRC_CNT(conn_head, conn_tail, RXRPC_BACKLOG_MAX); in rxrpc_alloc_incoming_call()
268 ASSERTCMP(CIRC_CNT(peer_head, peer_tail, RXRPC_BACKLOG_MAX), >=, in rxrpc_alloc_incoming_call()
/Linux-v5.4/drivers/platform/chrome/
Dcros_ec_debugfs.c137 while (!CIRC_CNT(cb->head, cb->tail, LOG_SIZE)) { in cros_ec_console_log_read()
146 CIRC_CNT(cb->head, cb->tail, LOG_SIZE)); in cros_ec_console_log_read()
180 if (CIRC_CNT(debug_info->log_buffer.head, in cros_ec_console_log_poll()
/Linux-v5.4/drivers/crypto/caam/
Djr.c210 for (i = 0; CIRC_CNT(head, tail + i, JOBR_DEPTH) >= 1; i++) { in caam_jr_dequeue()
218 BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0); in caam_jr_dequeue()
258 } while (CIRC_CNT(head, tail, JOBR_DEPTH) >= 1 && in caam_jr_dequeue()
/Linux-v5.4/drivers/dma/ioat/
Ddma.h316 return CIRC_CNT(ioat_chan->head, ioat_chan->tail, in ioat_ring_active()
323 return CIRC_CNT(ioat_chan->head, ioat_chan->issued, in ioat_ring_pending()
/Linux-v5.4/drivers/net/wireless/quantenna/qtnfmac/pcie/
Dtopaz_pcie.c396 if (CIRC_CNT(priv->tx_bd_w_index, tx_done_index, priv->tx_bd_num)) in qtnf_topaz_data_tx_reclaim()
400 while (CIRC_CNT(tx_done_index, i, priv->tx_bd_num)) { in qtnf_topaz_data_tx_reclaim()
778 CIRC_CNT(priv->tx_bd_w_index, priv->tx_bd_r_index, in qtnf_dbg_pkt_stats()
781 CIRC_CNT(tx_done_index, priv->tx_bd_r_index, in qtnf_dbg_pkt_stats()
784 CIRC_CNT(priv->tx_bd_w_index, tx_done_index, in qtnf_dbg_pkt_stats()
Dpearl_pcie.c481 while (CIRC_CNT(tx_done_index, i, priv->tx_bd_num)) { in qtnf_pearl_data_tx_reclaim()
850 CIRC_CNT(priv->tx_bd_w_index, priv->tx_bd_r_index, in qtnf_dbg_hdp_stats()
/Linux-v5.4/Documentation/core-api/
Dcircular-buffers.rst97 CIRC_CNT(head_index, tail_index, buffer_size);
121 (2) CIRC_CNT*() are intended to be used in the consumer. To the consumer they
203 if (CIRC_CNT(head, tail, buffer->size) >= 1) {
/Linux-v5.4/drivers/tty/
Dehv_bytechan.c410 count = CIRC_CNT(bc->head, bc->tail, BUF_SIZE); in ehv_bc_tx_dequeue()
415 if (CIRC_CNT(bc->head, bc->tail, BUF_SIZE)) in ehv_bc_tx_dequeue()
Damiserial.c363 if (CIRC_CNT(info->xmit.head, in transmit_chars()
892 return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE); in rs_chars_in_buffer()
/Linux-v5.4/drivers/misc/mic/scif/
Dscif_rb.c16 #define scif_rb_ring_cnt(head, tail, size) CIRC_CNT(head, tail, size)
/Linux-v5.4/drivers/infiniband/hw/hfi1/
Dtid_rdma.c1473 CIRC_CNT(req->setup_head, clear_tail, MAX_FLOWS) >= in hfi1_kern_exp_rcv_setup()
1557 if (!CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS)) in hfi1_kern_exp_rcv_clear()
1593 while (CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS)) { in hfi1_kern_exp_rcv_clear_all()
1682 for ( ; CIRC_CNT(head, tail, MAX_FLOWS); in find_flow_ib()
2119 if (CIRC_CNT(req->flow_idx, req->clear_tail, MAX_FLOWS)) { in tid_rdma_rcv_error()
2122 CIRC_CNT(req->flow_idx, req->clear_tail, in tid_rdma_rcv_error()
2137 if (CIRC_CNT(req->setup_head, req->flow_idx, in tid_rdma_rcv_error()
2166 CIRC_CNT(req->flow_idx, in tid_rdma_rcv_error()
3131 for (; CIRC_CNT(req->setup_head, fidx, MAX_FLOWS); in hfi1_tid_rdma_restart_req()
3869 if (!CIRC_CNT(req->setup_head, req->flow_idx, MAX_FLOWS)) in hfi1_build_tid_rdma_write_resp()
[all …]
/Linux-v5.4/drivers/gpu/drm/
Ddrm_debugfs_crc.c179 return CIRC_CNT(crc->head, crc->tail, DRM_CRC_ENTRIES_NR); in crtc_crc_data_count()
/Linux-v5.4/drivers/gpu/drm/msm/
Dmsm_rd.c71 (CIRC_CNT((circ)->head, (circ)->tail, BUF_SZ))
/Linux-v5.4/drivers/scsi/arcmsr/
Darcmsr_attr.c87 allxfer_len = CIRC_CNT(head, tail, ARCMSR_MAX_QBUFFER); in arcmsr_sysfs_iop_message_read()
/Linux-v5.4/tools/power/acpi/tools/acpidbg/
Dacpidbg.c42 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
/Linux-v5.4/drivers/edac/
Dthunderx_edac.c593 while (CIRC_CNT(lmc->ring_head, lmc->ring_tail, in thunderx_lmc_threaded_isr()
1124 while (CIRC_CNT(ocx->com_ring_head, ocx->com_ring_tail, in thunderx_ocx_com_threaded_isr()
1205 while (CIRC_CNT(ocx->link_ring_head, ocx->link_ring_tail, in thunderx_ocx_lnk_threaded_isr()
1890 while (CIRC_CNT(l2c->ring_head, l2c->ring_tail, in thunderx_l2c_threaded_isr()
/Linux-v5.4/drivers/hwtracing/coresight/
Dcoresight-tmc-etf.c471 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->size); in tmc_update_etf_buffer()
Dcoresight-etb10.c482 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->buffer_depth); in etb_update_buffer()
/Linux-v5.4/drivers/net/ethernet/cadence/
Dmacb_ptp.c337 while (CIRC_CNT(head, tail, PTP_TS_BUFFER_SIZE)) { in gem_tx_timestamp_flush()
/Linux-v5.4/drivers/acpi/
Dacpi_dbg.c28 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
/Linux-v5.4/drivers/net/ethernet/hisilicon/
Dhix5hd2_gmac.c520 num = CIRC_CNT(end, start, RX_DESC_NUM); in hix5hd2_rx()
602 num = CIRC_CNT(end, start, TX_DESC_NUM); in hix5hd2_xmit_reclaim()
/Linux-v5.4/drivers/lightnvm/
Dpblk-rb.c184 #define pblk_rb_ring_count(head, tail, size) CIRC_CNT(head, tail, size)
/Linux-v5.4/drivers/platform/mellanox/
Dmlxbf-tmfifo.c513 size = CIRC_CNT(cons->tx_buf.head, cons->tx_buf.tail, in mlxbf_tmfifo_console_tx()

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