-static struct ahc_linux_target*
-ahc_linux_alloc_target(struct ahc_softc *ahc, u_int channel, u_int target)
-{
- struct ahc_linux_target *targ;
- u_int target_offset;
-
- target_offset = target;
- if (channel != 0)
- target_offset += 8;
-
- targ = malloc(sizeof(*targ), M_DEVBUG, M_NOWAIT);
- if (targ == NULL)
- return (NULL);
- memset(targ, 0, sizeof(*targ));
- targ->channel = channel;
- targ->target = target;
- targ->ahc = ahc;
- ahc->platform_data->targets[target_offset] = targ;
- return (targ);
-}
-
-static void
-ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ)
-{
- struct ahc_devinfo devinfo;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- u_int our_id;
- u_int target_offset;
- char channel;
-
- /*
- * Force a negotiation to async/narrow on any
- * future command to this device unless a bus
- * reset occurs between now and that command.
- */
- channel = 'A' + targ->channel;
- our_id = ahc->our_id;
- target_offset = targ->target;
- if (targ->channel != 0) {
- target_offset += 8;
- our_id = ahc->our_id_b;
- }
- tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
- targ->target, &tstate);
- ahc_compile_devinfo(&devinfo, our_id, targ->target, CAM_LUN_WILDCARD,
- channel, ROLE_INITIATOR);
- ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0,
- AHC_TRANS_GOAL, /*paused*/FALSE);
- ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
- AHC_TRANS_GOAL, /*paused*/FALSE);
- ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS);
- ahc->platform_data->targets[target_offset] = NULL;
- free(targ, M_DEVBUF);
-}
-
-static struct ahc_linux_device*
-ahc_linux_alloc_device(struct ahc_softc *ahc,
- struct ahc_linux_target *targ, u_int lun)
-{
- struct ahc_linux_device *dev;
-
- dev = malloc(sizeof(*dev), M_DEVBUG, M_NOWAIT);
- if (dev == NULL)
- return (NULL);
- memset(dev, 0, sizeof(*dev));
- dev->lun = lun;
- dev->target = targ;
-
- /*
- * We start out life using untagged
- * transactions of which we allow one.
- */
- dev->openings = 1;
-
- /*
- * Set maxtags to 0. This will be changed if we
- * later determine that we are dealing with
- * a tagged queuing capable device.
- */
- dev->maxtags = 0;
-
- targ->refcount++;
- targ->devices[lun] = dev;
- return (dev);
-}
-
-static void
-ahc_linux_free_device(struct ahc_softc *ahc, struct ahc_linux_device *dev)
-{
- struct ahc_linux_target *targ;
-
- targ = dev->target;
- targ->devices[dev->lun] = NULL;
- free(dev, M_DEVBUF);
- targ->refcount--;
- if (targ->refcount == 0)
- ahc_linux_free_target(ahc, targ);
-}
-