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Searched refs:nseg (Results 1 – 24 of 24) sorted by relevance

/linux/drivers/scsi/
H A Dscsi_lib_dma.c25 int nseg = 0; in scsi_dma_map() local
30 nseg = dma_map_sg(dev, scsi_sglist(cmd), scsi_sg_count(cmd), in scsi_dma_map()
32 if (unlikely(!nseg)) in scsi_dma_map()
35 return nseg; in scsi_dma_map()
H A Dstex.c432 int i, nseg; in stex_map_sg() local
435 nseg = scsi_dma_map(cmd); in stex_map_sg()
436 BUG_ON(nseg < 0); in stex_map_sg()
437 if (nseg) { in stex_map_sg()
440 ccb->sg_count = nseg; in stex_map_sg()
441 dst->sg_count = cpu_to_le16((u16)nseg); in stex_map_sg()
446 scsi_for_each_sg(cmd, sg, nseg, i) { in stex_map_sg()
454 return nseg; in stex_map_sg()
464 int i, nseg; in stex_ss_map_sg() local
467 nseg = scsi_dma_map(cmd); in stex_ss_map_sg()
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H A Dmac53c94.c360 int i, dma_cmd, total, nseg; in set_dma_cmds() local
366 nseg = scsi_dma_map(cmd); in set_dma_cmds()
367 BUG_ON(nseg < 0); in set_dma_cmds()
368 if (!nseg) in set_dma_cmds()
376 scsi_for_each_sg(cmd, scl, nseg, i) { in set_dma_cmds()
H A Dpmcraid.c3188 int i, nseg; in pmcraid_build_ioadl() local
3200 nseg = scsi_dma_map(scsi_cmd); in pmcraid_build_ioadl()
3202 if (nseg < 0) { in pmcraid_build_ioadl()
3205 } else if (nseg > PMCRAID_MAX_IOADLS) { in pmcraid_build_ioadl()
3208 "sg count is (%d) more than allowed!\n", nseg); in pmcraid_build_ioadl()
3218 ioadl = pmcraid_init_ioadls(cmd, nseg); in pmcraid_build_ioadl()
3221 scsi_for_each_sg(scsi_cmd, sglist, nseg, i) { in pmcraid_build_ioadl()
H A Ddc395x.c793 int nseg; in build_srb() local
813 nseg = scsi_dma_map(cmd); in build_srb()
814 BUG_ON(nseg < 0); in build_srb()
816 if (!(dir == DMA_NONE || !nseg)) { in build_srb()
822 srb->sg_count = nseg; in build_srb()
H A Dipr.c5620 int i, nseg; in ipr_build_ioadl64() local
5632 nseg = scsi_dma_map(scsi_cmd); in ipr_build_ioadl64()
5633 if (nseg < 0) { in ipr_build_ioadl64()
5639 ipr_cmd->dma_use_sg = nseg; in ipr_build_ioadl64()
5672 int i, nseg; in ipr_build_ioadl() local
5684 nseg = scsi_dma_map(scsi_cmd); in ipr_build_ioadl()
5685 if (nseg < 0) { in ipr_build_ioadl()
5690 ipr_cmd->dma_use_sg = nseg; in ipr_build_ioadl()
/linux/include/scsi/
H A Dscsi_cmnd.h206 #define scsi_for_each_sg(cmd, sg, nseg, __i) \ argument
207 for_each_sg(scsi_sglist(cmd), sg, nseg, __i)
331 #define scsi_for_each_prot_sg(cmd, sg, nseg, __i) \ argument
332 for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
/linux/drivers/scsi/qla2xxx/
H A Dqla_iocb.c326 int nseg; in qla2x00_start_scsi() local
369 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), in qla2x00_start_scsi()
371 if (unlikely(!nseg)) in qla2x00_start_scsi()
374 nseg = 0; in qla2x00_start_scsi()
376 tot_dsds = nseg; in qla2x00_start_scsi()
1541 int nseg; in qla24xx_start_scsi() local
1582 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), in qla24xx_start_scsi()
1584 if (unlikely(!nseg)) in qla24xx_start_scsi()
1587 nseg = 0; in qla24xx_start_scsi()
1589 tot_dsds = nseg; in qla24xx_start_scsi()
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H A Dqla_mr.c3047 int nseg; in qlafx00_start_scsi() local
3078 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), in qlafx00_start_scsi()
3080 if (unlikely(!nseg)) in qlafx00_start_scsi()
3083 nseg = 0; in qlafx00_start_scsi()
3085 tot_dsds = nseg; in qlafx00_start_scsi()
H A Dqla_edif.c2971 int nseg; in qla28xx_start_scsi_edif() local
3026 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), in qla28xx_start_scsi_edif()
3028 if (unlikely(!nseg)) in qla28xx_start_scsi_edif()
3031 nseg = 0; in qla28xx_start_scsi_edif()
3034 tot_dsds = nseg; in qla28xx_start_scsi_edif()
/linux/drivers/scsi/aacraid/
H A Daachba.c225 int pages, int nseg, int nseg_new);
3795 int nseg; in aac_build_sg() local
3804 nseg = scsi_dma_map(scsicmd); in aac_build_sg()
3805 if (nseg <= 0) in aac_build_sg()
3806 return nseg; in aac_build_sg()
3808 psg->count = cpu_to_le32(nseg); in aac_build_sg()
3810 scsi_for_each_sg(scsicmd, sg, nseg, i) { in aac_build_sg()
3836 int nseg; in aac_build_sg64() local
3846 nseg = scsi_dma_map(scsicmd); in aac_build_sg64()
3847 if (nseg <= 0) in aac_build_sg64()
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/linux/drivers/block/xen-blkback/
H A Dblkback.c919 int indirect_grefs, rc, n, nseg, i; in xen_blkbk_parse_indirect() local
922 nseg = pending_req->nr_segs; in xen_blkbk_parse_indirect()
923 indirect_grefs = INDIRECT_PAGES(nseg); in xen_blkbk_parse_indirect()
933 for (n = 0; n < nseg; n++) { in xen_blkbk_parse_indirect()
1295 unsigned int nseg; in dispatch_rw_block_io() local
1341 nseg = req->operation == BLKIF_OP_INDIRECT ? in dispatch_rw_block_io()
1344 if (unlikely(nseg == 0 && operation_flags != REQ_PREFLUSH) || in dispatch_rw_block_io()
1346 (nseg > BLKIF_MAX_SEGMENTS_PER_REQUEST)) || in dispatch_rw_block_io()
1348 (nseg > MAX_INDIRECT_SEGMENTS))) { in dispatch_rw_block_io()
1349 pr_debug("Bad number of segments in request (%d)\n", nseg); in dispatch_rw_block_io()
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/linux/drivers/net/ethernet/netronome/nfp/nfpcore/
H A Dnfp_nsp.c510 int i, ret, nseg; in nfp_nsp_command_buf_dma_sg() local
515 nseg = DIV_ROUND_UP(max_size, chunk_size); in nfp_nsp_command_buf_dma_sg()
517 chunks = kzalloc_objs(*chunks, nseg); in nfp_nsp_command_buf_dma_sg()
523 for (i = 0; i < nseg; i++) { in nfp_nsp_command_buf_dma_sg()
545 for (i = 0; i < nseg; i++) { in nfp_nsp_command_buf_dma_sg()
566 desc_sz = struct_size(desc, descs, nseg); in nfp_nsp_command_buf_dma_sg()
573 desc->chunk_cnt = cpu_to_le32(nseg); in nfp_nsp_command_buf_dma_sg()
574 for (i = 0; i < nseg; i++) { in nfp_nsp_command_buf_dma_sg()
606 i = nseg; in nfp_nsp_command_buf_dma_sg()
611 i = nseg; in nfp_nsp_command_buf_dma_sg()
/linux/drivers/scsi/qla4xxx/
H A Dql4_iocb.c277 int nseg; in qla4xxx_send_command_to_isp() local
307 nseg = scsi_dma_map(cmd); in qla4xxx_send_command_to_isp()
308 if (nseg < 0) in qla4xxx_send_command_to_isp()
310 tot_dsds = nseg; in qla4xxx_send_command_to_isp()
/linux/drivers/scsi/aic7xxx/
H A Daic7xxx_osm.c1419 int nseg; in ahc_linux_run_command() local
1446 nseg = scsi_dma_map(cmd); in ahc_linux_run_command()
1447 if (nseg < 0) in ahc_linux_run_command()
1510 if (nseg > 0) { in ahc_linux_run_command()
1521 scsi_for_each_sg(cmd, cur_seg, nseg, i) { in ahc_linux_run_command()
H A Daic79xx_osm.c1549 int nseg; in ahd_linux_run_command() local
1551 nseg = scsi_dma_map(cmd); in ahd_linux_run_command()
1552 if (nseg < 0) in ahd_linux_run_command()
1619 if (nseg > 0) { in ahd_linux_run_command()
1626 scsi_for_each_sg(cmd, cur_seg, nseg, i) { in ahd_linux_run_command()
1634 i == (nseg - 1)); in ahd_linux_run_command()
H A Daic7xxx_core.c4672 ahc_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) in ahc_dmamap_cb() argument
H A Daic79xx_core.c6327 ahd_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) in ahd_dmamap_cb() argument
/linux/drivers/scsi/megaraid/
H A Dmegaraid_sas_fusion.h105 u8 nseg:4; member
109 u8 nseg:4;
H A Dmegaraid_sas_fusion.c2901 rctx->nseg = 0x1; in megasas_build_ldio_fusion()
2963 rctx->nseg = 0x1; in megasas_build_ldio_fusion()
3132 pRAID_Context->nseg = 0x1; in megasas_build_syspd_fusion()
3222 io_request->RaidContext.raid_context.nseg = 0; in megasas_build_io_fusion()
/linux/drivers/net/ethernet/atheros/atlx/
H A Datl1.c2235 int i, nseg; in atl1_tx_map() local
2238 nseg = (data_len + ATL1_MAX_TX_BUF_LEN - 1) / in atl1_tx_map()
2240 for (i = 0; i < nseg; i++) { in atl1_tx_map()
2279 u16 i, nseg; in atl1_tx_map() local
2283 nseg = (buf_len + ATL1_MAX_TX_BUF_LEN - 1) / in atl1_tx_map()
2285 for (i = 0; i < nseg; i++) { in atl1_tx_map()
/linux/drivers/nvme/host/
H A Dpci.c798 unsigned int nseg; in nvme_pci_avg_seg_size() local
801 nseg = 1; in nvme_pci_avg_seg_size()
803 nseg = blk_rq_nr_phys_segments(req); in nvme_pci_avg_seg_size()
804 return DIV_ROUND_UP(blk_rq_payload_bytes(req), nseg); in nvme_pci_avg_seg_size()
/linux/drivers/scsi/ibmvscsi/
H A Dibmvscsi.c653 static int map_sg_list(struct scsi_cmnd *cmd, int nseg, in map_sg_list() argument
660 scsi_for_each_sg(cmd, sg, nseg, i) { in map_sg_list()
H A Dibmvfc.c1611 static void ibmvfc_map_sg_list(struct scsi_cmnd *scmd, int nseg, in ibmvfc_map_sg_list() argument
1617 scsi_for_each_sg(scmd, sg, nseg, i) { in ibmvfc_map_sg_list()