static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) { POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; union ccb *ccb = ext->ccb; bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; int idx; if(logical) { if (ccb->ccb_h.flags & CAM_DATA_PHYS) panic("physical address unsupported"); if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) panic("physical address unsupported"); for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr); pSg[idx].size = sgList[idx].ds_len; pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; } } else { os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); pSg->size = ccb->csio.dxfer_len; pSg->eot = 1; } return TRUE; } /* since we have provided physical sg, nobody will ask us to build physical sg */ HPT_ASSERT(0); return FALSE; }
static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) { POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; union ccb *ccb = ext->ccb; if (logical) { os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); pSg->size = ccb->csio.dxfer_len; pSg->eot = 1; return TRUE; } /* since we have provided physical sg, nobody will ask us to build physical sg */ HPT_ASSERT(0); return FALSE; }