/** * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit * capable IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 2 IOCB * @tot_dsds: Total number of segments to transfer */ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, uint16_t tot_dsds) { uint16_t avail_dsds; uint32_t *cur_dsd; scsi_qla_host_t *ha; struct scsi_cmnd *cmd; cmd = sp->cmd; /* Update entry type to indicate Command Type 2 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = __constant_cpu_to_le32(COMMAND_TYPE); /* No data transfer */ if (cmd->request_bufflen == 0 || cmd->sc_data_direction == DMA_NONE) { cmd_pkt->byte_count = __constant_cpu_to_le32(0); return; } ha = sp->ha; cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(cmd)); /* Three DSDs are available in the Command Type 2 IOCB */ avail_dsds = 3; cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; /* Load data segments */ if (cmd->use_sg != 0) { struct scatterlist *cur_seg; struct scatterlist *end_seg; cur_seg = (struct scatterlist *)cmd->request_buffer; end_seg = cur_seg + tot_dsds; while (cur_seg < end_seg) { cont_entry_t *cont_pkt; /* Allocate additional continuation packets? */ if (avail_dsds == 0) { /* * Seven DSDs are available in the Continuation * Type 0 IOCB. */ cont_pkt = qla2x00_prep_cont_type0_iocb(ha); cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address; avail_dsds = 7; } *cur_dsd++ = cpu_to_le32(sg_dma_address(cur_seg)); *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); avail_dsds--; cur_seg++; } } else { *cur_dsd++ = cpu_to_le32(sp->dma_handle); *cur_dsd++ = cpu_to_le32(cmd->request_bufflen); } }
/* * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit * capable IOCB types. * * @sp: SRB command to process * @cmd_pkt: Command type 2 IOCB * @tot_dsds: Total number of segments to transfer */ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, uint16_t tot_dsds) { uint16_t avail_dsds; uint32_t *cur_dsd; scsi_qla_host_t *vha; struct scsi_cmnd *cmd; struct scatterlist *sg; int i; cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 2 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = __constant_cpu_to_le32(COMMAND_TYPE); /* No data transfer */ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { cmd_pkt->byte_count = __constant_cpu_to_le32(0); return; } vha = sp->fcport->vha; cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); /* Three DSDs are available in the Command Type 2 IOCB */ avail_dsds = 3; cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address; /* Load data segments */ scsi_for_each_sg(cmd, sg, tot_dsds, i) { cont_entry_t *cont_pkt; /* Allocate additional continuation packets? */ if (avail_dsds == 0) { /* * Seven DSDs are available in the Continuation * Type 0 IOCB. */ cont_pkt = qla2x00_prep_cont_type0_iocb(vha); cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address; avail_dsds = 7; } *cur_dsd++ = cpu_to_le32(sg_dma_address(sg)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); avail_dsds--; }