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Searched refs:num_descs (Results 1 – 25 of 39) sorted by relevance

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/linux/drivers/dma/ioat/
H A Dprep.c110 int num_descs, idx, i; in ioat_dma_prep_memcpy_lock() local
115 num_descs = ioat_xferlen_to_descs(ioat_chan, len); in ioat_dma_prep_memcpy_lock()
116 if (likely(num_descs) && in ioat_dma_prep_memcpy_lock()
117 ioat_check_space_lock(ioat_chan, num_descs) == 0) in ioat_dma_prep_memcpy_lock()
137 } while (++i < num_descs); in ioat_dma_prep_memcpy_lock()
164 int num_descs, with_ext, idx, i; in __ioat_prep_xor_lock() local
170 num_descs = ioat_xferlen_to_descs(ioat_chan, len); in __ioat_prep_xor_lock()
176 num_descs *= 2; in __ioat_prep_xor_lock()
185 if (likely(num_descs) && in __ioat_prep_xor_lock()
186 ioat_check_space_lock(ioat_chan, num_descs+1) == 0) in __ioat_prep_xor_lock()
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H A Ddma.c463 int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs) in ioat_check_space_lock() argument
471 if (likely(ioat_ring_space(ioat_chan) > num_descs)) { in ioat_check_space_lock()
473 __func__, num_descs, ioat_chan->head, in ioat_check_space_lock()
475 ioat_chan->produce = num_descs; in ioat_check_space_lock()
482 __func__, num_descs, ioat_chan->head, in ioat_check_space_lock()
/linux/drivers/net/ethernet/amd/pds_core/
H A Dcore.c170 for (i = 0, cur = q->info; i < q->num_descs; i++, cur++) { in pdsc_q_map()
184 for (i = 0, cur = cq->info; i < cq->num_descs; i++, cur++) in pdsc_cq_map()
189 const char *name, unsigned int flags, unsigned int num_descs, in pdsc_qcq_alloc() argument
199 qcq->q.info = vcalloc(num_descs, sizeof(*qcq->q.info)); in pdsc_qcq_alloc()
211 qcq->q.num_descs = num_descs; in pdsc_qcq_alloc()
222 qcq->cq.info = vcalloc(num_descs, sizeof(*qcq->cq.info)); in pdsc_qcq_alloc()
228 qcq->cq.num_descs = num_descs; in pdsc_qcq_alloc()
236 ALIGN(num_descs * desc_size, PDS_PAGE_SIZE) + in pdsc_qcq_alloc()
237 ALIGN(num_descs * cq_desc_size, PDS_PAGE_SIZE); in pdsc_qcq_alloc()
251 ALIGN(num_descs * desc_size, PDS_PAGE_SIZE), in pdsc_qcq_alloc()
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H A Dadminq.c48 cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1); in pdsc_process_notifyq()
105 q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1); in pdsc_process_adminq()
112 if (cq->tail_idx == cq->num_descs - 1) in pdsc_process_adminq()
114 cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1); in pdsc_process_adminq()
174 avail += q->num_descs - q->head_idx - 1; in __pdsc_adminq_post()
212 q->head_idx = (q->head_idx + 1) & (q->num_descs - 1); in __pdsc_adminq_post()
H A Ddebugfs.c130 debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs); in pdsc_debugfs_add_qcq()
142 debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs); in pdsc_debugfs_add_qcq()
/linux/drivers/net/ethernet/amazon/ena/
H A Dena_eth_com.h127 u16 num_descs; in ena_com_is_doorbell_needed() local
133 num_descs = ena_tx_ctx->num_bufs; in ena_com_is_doorbell_needed()
137 ++num_descs; in ena_com_is_doorbell_needed()
139 if (num_descs > llq_info->descs_num_before_header) { in ena_com_is_doorbell_needed()
140 descs_after_first_entry = num_descs - llq_info->descs_num_before_header; in ena_com_is_doorbell_needed()
146 "Queue: %d num_descs: %d num_entries_needed: %d\n", io_sq->qid, num_descs, in ena_com_is_doorbell_needed()
H A Dena_eth_com.c234 u16 *num_descs) in ena_com_cdesc_rx_pkt_get() argument
268 *num_descs = count; in ena_com_cdesc_rx_pkt_get()
277 *num_descs = 0; in ena_com_cdesc_rx_pkt_get()
/linux/drivers/net/ethernet/marvell/octeon_ep_vf/
H A Doctep_vf_config.h57 #define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs)
63 #define CFG_GET_OQ_NUM_DESC(cfg) ((cfg)->oq.num_descs)
81 u16 num_descs; member
100 u16 num_descs; member
/linux/drivers/net/ethernet/marvell/octeon_ep/
H A Doctep_config.h61 #define CFG_GET_IQ_NUM_DESC(cfg) ((cfg)->iq.num_descs)
67 #define CFG_GET_OQ_NUM_DESC(cfg) ((cfg)->oq.num_descs)
96 u16 num_descs; member
115 u16 num_descs; member
/linux/drivers/net/ethernet/pensando/ionic/
H A Dionic_dev.c881 .q_init.ring_size = ilog2(q->num_descs), in ionic_dev_cmd_adminq_init()
975 unsigned int num_descs, size_t desc_size) in ionic_cq_init() argument
979 if (desc_size == 0 || !is_power_of_2(num_descs)) in ionic_cq_init()
982 ring_size = ilog2(num_descs); in ionic_cq_init()
988 cq->num_descs = num_descs; in ionic_cq_init()
1007 if (cq->tail_idx == cq->num_descs - 1) in ionic_cq_service()
1010 cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1); in ionic_cq_service()
1024 unsigned int num_descs, size_t desc_size, in ionic_q_init() argument
1029 if (desc_size == 0 || !is_power_of_2(num_descs)) in ionic_q_init()
1032 ring_size = ilog2(num_descs); in ionic_q_init()
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H A Dionic_debugfs.c140 debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs); in ionic_debugfs_add_qcq()
154 desc_blob->size = (unsigned long)q->num_descs * q->desc_size; in ionic_debugfs_add_qcq()
162 desc_blob->size = (unsigned long)q->num_descs * q->sg_desc_size; in ionic_debugfs_add_qcq()
170 debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs); in ionic_debugfs_add_qcq()
180 desc_blob->size = (unsigned long)cq->num_descs * cq->desc_size; in ionic_debugfs_add_qcq()
H A Dionic_txrx.c745 q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1); in __ionic_rx_service()
790 q->num_descs / IONIC_RX_FILL_DIV); in ionic_rx_fill()
893 for (i = 0; i < q->num_descs; i++) { in ionic_rx_empty()
989 if (cq->tail_idx == cq->num_descs - 1) in ionic_rx_cq_service()
992 cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1); in ionic_rx_cq_service()
1259 q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1); in ionic_tx_service()
1286 if (cq->tail_idx == cq->num_descs - 1) in ionic_tx_cq_service()
1288 cq->tail_idx = (cq->tail_idx + 1) & (cq->num_descs - 1); in ionic_tx_cq_service()
1311 work_done = ionic_tx_cq_service(cq, cq->num_descs, false); in ionic_tx_flush()
1327 q->tail_idx = (q->tail_idx + 1) & (q->num_descs - 1); in ionic_tx_empty()
H A Dionic_lif.c557 unsigned int num_descs, unsigned int desc_size, in ionic_qcq_alloc() argument
581 new->q.info = vcalloc(num_descs, desc_info_size); in ionic_qcq_alloc()
592 .pool_size = num_descs, in ionic_qcq_alloc()
616 err = ionic_q_init(lif, idev, &new->q, index, name, num_descs, in ionic_qcq_alloc()
627 err = ionic_cq_init(lif, &new->cq, &new->intr, num_descs, cq_desc_size); in ionic_qcq_alloc()
640 q_size = ALIGN(num_descs * desc_size, PAGE_SIZE); in ionic_qcq_alloc()
642 ALIGN(num_descs * cq_desc_size, PAGE_SIZE); in ionic_qcq_alloc()
659 new->q_size = PAGE_SIZE + (num_descs * desc_size); in ionic_qcq_alloc()
672 new->cmb_q_size = num_descs * desc_size; in ionic_qcq_alloc()
698 new->cq_size = PAGE_SIZE + (num_descs * cq_desc_size); in ionic_qcq_alloc()
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/linux/drivers/dma/bestcomm/
H A Dfec.c169 int num_descs; in self_modified_drd() local
173 num_descs = bcom_task_num_descs(tasknum); in self_modified_drd()
174 desc = bcom_task_desc(tasknum) + num_descs - 1; in self_modified_drd()
176 for (i=0; i<num_descs; i++, desc--) in self_modified_drd()
H A Dbestcomm.c205 int num_descs; in bcom_set_initiator() local
217 num_descs = bcom_task_num_descs(task); in bcom_set_initiator()
219 for (i=0; i<num_descs; i++, desc++) { in bcom_set_initiator()
/linux/drivers/net/ethernet/cavium/liquidio/
H A Docteon_device.c874 u32 num_descs = 0; in octeon_setup_instr_queues() local
880 num_descs = in octeon_setup_instr_queues()
883 num_descs = CFG_GET_NUM_DEF_TX_DESCS(CHIP_CONF(oct, cn23xx_pf)); in octeon_setup_instr_queues()
885 num_descs = CFG_GET_NUM_DEF_TX_DESCS(CHIP_CONF(oct, cn23xx_vf)); in octeon_setup_instr_queues()
905 if (octeon_init_instr_queue(oct, txpciq, num_descs)) { in octeon_setup_instr_queues()
919 u32 num_descs = 0; in octeon_setup_output_queues() local
925 num_descs = in octeon_setup_output_queues()
930 num_descs = CFG_GET_NUM_DEF_RX_DESCS(CHIP_CONF(oct, cn23xx_pf)); in octeon_setup_output_queues()
933 num_descs = CFG_GET_NUM_DEF_RX_DESCS(CHIP_CONF(oct, cn23xx_vf)); in octeon_setup_output_queues()
943 if (octeon_init_droq(oct, oq_no, num_descs, desc_size, NULL)) { in octeon_setup_output_queues()
H A Docteon_droq.h339 u32 num_descs,
401 u32 num_descs, u32 desc_size, void *app_ctx);
H A Drequest_manager.c49 u32 num_descs) in octeon_init_instr_queue() argument
71 q_size = (u32)conf->instr_type * num_descs; in octeon_init_instr_queue()
84 iq->max_count = num_descs; in octeon_init_instr_queue()
89 iq->request_list = vzalloc_node(array_size(num_descs, sizeof(*iq->request_list)), in octeon_init_instr_queue()
92 iq->request_list = vzalloc(array_size(num_descs, sizeof(*iq->request_list))); in octeon_init_instr_queue()
195 u32 num_descs, in octeon_setup_iq() argument
221 if (octeon_init_instr_queue(oct, txpciq, num_descs)) { in octeon_setup_iq()
H A Docteon_iq.h350 u32 num_descs);
391 int q_index, union oct_txpciq iq_no, u32 num_descs,
H A Docteon_droq.c219 u32 num_descs, in octeon_init_droq() argument
240 c_num_descs = num_descs; in octeon_init_droq()
925 u32 q_no, u32 num_descs, in octeon_create_droq() argument
951 if (octeon_init_droq(oct, q_no, num_descs, desc_size, app_ctx)) { in octeon_create_droq()
/linux/drivers/dma/idxd/
H A Ddevice.c46 for (i = 0; i < wq->num_descs; i++) in free_hw_descs()
79 for (i = 0; i < wq->num_descs; i++) in free_descs()
113 int rc, num_descs, i; in idxd_wq_alloc_resources() local
118 num_descs = wq_dedicated(wq) ? wq->size : wq->threshold; in idxd_wq_alloc_resources()
119 wq->num_descs = num_descs; in idxd_wq_alloc_resources()
121 rc = alloc_hw_descs(wq, num_descs); in idxd_wq_alloc_resources()
125 wq->compls_size = num_descs * idxd->data->compl_size; in idxd_wq_alloc_resources()
132 rc = alloc_descs(wq, num_descs); in idxd_wq_alloc_resources()
136 rc = sbitmap_queue_init_node(&wq->sbq, num_descs, -1, false, GFP_KERNEL, in idxd_wq_alloc_resources()
141 for (i = 0; i < num_descs; i++) { in idxd_wq_alloc_resources()
/linux/drivers/net/wireless/ath/wil6210/
H A Dtrace.h256 __field(u8, num_descs)
264 __entry->num_descs = msg->num_descriptors;
272 __entry->num_descs, __entry->status, __entry->mcs)
/linux/lib/
H A Ddynamic_debug.c1238 v3pr_info("add-module: %s.%d sites\n", modname, di->num_descs); in ddebug_add_module()
1239 if (!di->num_descs) { in ddebug_add_module()
1257 dt->num_ddebugs = di->num_descs; in ddebug_add_module()
1269 vpr_info("%3u debug prints in module %s\n", di->num_descs, modname); in ddebug_add_module()
1418 .num_descs = __stop___dyndbg - __start___dyndbg, in dynamic_debug_init()
1448 di.num_descs = mod_sites; in dynamic_debug_init()
1459 di.num_descs = mod_sites; in dynamic_debug_init()
/linux/net/xdp/
H A Dxsk.c44 u32 num_descs; member
671 xsk_addr->num_descs = 1; in xsk_addrs_alloc()
693 xsk_addr->num_descs++; in xsk_inc_num_desc()
706 return xsk_addr->num_descs; in xsk_get_num_desc()
712 u32 num_descs = xsk_get_num_desc(skb); in xsk_cq_submit_addr_locked() local
724 for (i = 0; i < num_descs; i++) { in xsk_cq_submit_addr_locked()
779 u32 num_descs = xsk_get_num_desc(skb); in xsk_consume_skb() local
788 xsk_cq_cancel_locked(xs->pool, num_descs); in xsk_consume_skb()
879 xsk_addr->addrs[xsk_addr->num_descs] = desc->addr; in xsk_build_skb_zerocopy()
986 xsk_addr->addrs[xsk_addr->num_descs] = desc->addr; in xsk_build_skb()
/linux/drivers/media/i2c/ccs/
H A Dccs-data.h153 u8 num_descs; member

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