static int ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length) { ahd_mode_state saved_modes; int have_seeprom; u_long s; int paused; int written; /* Default to failure. */ written = -EINVAL; ahd_lock(ahd, &s); paused = ahd_is_paused(ahd); if (!paused) ahd_pause(ahd); saved_modes = ahd_save_modes(ahd); ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI); if (length != sizeof(struct seeprom_config)) { <<<<<<< HEAD printk("ahd_proc_write_seeprom: incorrect buffer size\n"); =======
static int ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length) { ahd_mode_state saved_modes; int have_seeprom; u_long s; int paused; int written; /* Default to failure. */ written = -EINVAL; ahd_lock(ahd, &s); paused = ahd_is_paused(ahd); if (!paused) ahd_pause(ahd); saved_modes = ahd_save_modes(ahd); ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI); if (length != sizeof(struct seeprom_config)) { printf("ahd_proc_write_seeprom: incorrect buffer size\n"); goto done; } have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer); if (have_seeprom == 0) { printf("ahd_proc_write_seeprom: cksum verification failed\n"); goto done; } have_seeprom = ahd_acquire_seeprom(ahd); if (!have_seeprom) { printf("ahd_proc_write_seeprom: No Serial EEPROM\n"); goto done; } else { u_int start_addr; if (ahd->seep_config == NULL) { ahd->seep_config = malloc(sizeof(*ahd->seep_config), M_DEVBUF, M_NOWAIT); if (ahd->seep_config == NULL) { printf("aic79xx: Unable to allocate serial " "eeprom buffer. Write failing\n"); goto done; } } printf("aic79xx: Writing Serial EEPROM\n"); start_addr = 32 * (ahd->channel - 'A'); ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr, sizeof(struct seeprom_config)/2); ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config, start_addr, sizeof(struct seeprom_config)/2, /*ByteStream*/FALSE); ahd_release_seeprom(ahd); written = length; } done: ahd_restore_modes(ahd, saved_modes); if (!paused) ahd_unpause(ahd); ahd_unlock(ahd, &s); return (written); }
void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments) { struct scb *scb; struct scsi_xfer *xs; struct ahd_softc *ahd; struct ahd_initiator_tinfo *tinfo; struct ahd_tmode_tstate *tstate; u_int mask; int s; scb = (struct scb *)arg; xs = scb->xs; xs->error = CAM_REQ_INPROG; xs->status = 0; ahd = (struct ahd_softc *)xs->sc_link->adapter_softc; if (nsegments != 0) { void *sg; int op; u_int i; ahd_setup_data_scb(ahd, scb); /* Copy the segments into our SG list */ for (i = nsegments, sg = scb->sg_list; i > 0; i--) { sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr, dm_segs->ds_len, /*last*/i == 1); dm_segs++; } if ((xs->flags & SCSI_DATA_IN) != 0) op = BUS_DMASYNC_PREREAD; else op = BUS_DMASYNC_PREWRITE; bus_dmamap_sync(ahd->parent_dmat, scb->dmamap, 0, scb->dmamap->dm_mapsize, op); } ahd_lock(ahd, &s); /* * Last time we need to check if this SCB needs to * be aborted. */ if (xs->flags & ITSDONE) { if (nsegments != 0) bus_dmamap_unload(ahd->parent_dmat, scb->dmamap); ahd_free_scb(ahd, scb); ahd_unlock(ahd, &s); return; } tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid), SCSIID_OUR_ID(scb->hscb->scsiid), SCSIID_TARGET(ahd, scb->hscb->scsiid), &tstate); mask = SCB_GET_TARGET_MASK(ahd, scb); if ((tstate->discenable & mask) != 0) scb->hscb->control |= DISCENB; if ((tstate->tagenable & mask) != 0) scb->hscb->control |= TAG_ENB; if ((tinfo->curr.ppr_options & MSG_EXT_PPR_PROT_IUS) != 0) { scb->flags |= SCB_PACKETIZED; if (scb->hscb->task_management != 0) scb->hscb->control &= ~MK_MESSAGE; } if ((tstate->auto_negotiate & mask) != 0) { scb->flags |= SCB_AUTO_NEGOTIATE; scb->hscb->control |= MK_MESSAGE; } /* XXX with ahc there was some bus_dmamap_sync(PREREAD|PREWRITE); */ LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links); if (!(xs->flags & SCSI_POLL)) timeout_add_msec(&xs->stimeout, xs->timeout); scb->flags |= SCB_ACTIVE; if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { /* Define a mapping from our tag to the SCB. */ ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb; ahd_pause(ahd); ahd_set_scbptr(ahd, SCB_GET_TAG(scb)); ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG); ahd_unpause(ahd); } else { ahd_queue_scb(ahd, scb); } if (!(xs->flags & SCSI_POLL)) { int target = xs->sc_link->target; int lun = SCB_GET_LUN(scb); if (ahd->inited_target[target] == 0) { struct ahd_devinfo devinfo; ahd_adapter_req_set_xfer_mode(ahd, scb); ahd_compile_devinfo(&devinfo, ahd->our_id, target, lun, 'A', /*XXX milos*/ROLE_UNKNOWN); ahd_scb_devinfo(ahd, &devinfo, scb); ahd_update_neg_request(ahd, &devinfo, tstate, tinfo, AHD_NEG_IF_NON_ASYNC); ahd->inited_target[target] = 1; } ahd_unlock(ahd, &s); return; } /* * If we can't use interrupts, poll for completion */ SC_DEBUG(xs->sc_link, SDEV_DB3, ("cmd_poll\n")); do { if (ahd_poll(ahd, xs->timeout)) { if (!(xs->flags & SCSI_SILENT)) printf("cmd fail\n"); ahd_timeout(scb); break; } } while (!(xs->flags & ITSDONE)); ahd_unlock(ahd, &s); }