/* $OpenBSD: bhavar.h,v 1.4 2008/11/26 16:38:00 krw Exp $ */ /* $NetBSD: bhavar.h,v 1.12 1998/11/19 21:53:00 thorpej Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace * Simulation Facility, NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/queue.h> /* * Mail box defs etc. * these could be bigger but we need the bha_softc to fit on a single page.. */ #define BHA_MBX_SIZE 32 /* mail box size (MAX 255 MBxs) */ /* don't need that many really */ #define BHA_CCB_MAX 32 /* store up to 32 CCBs at one time */ #define CCB_HASH_SIZE 32 /* hash table size for phystokv */ #define CCB_HASH_SHIFT 9 #define CCB_HASH(x) ((((long)(x))>>CCB_HASH_SHIFT) & (CCB_HASH_SIZE - 1)) #define bha_nextmbx(wmb, mbx, mbio) \ if ((wmb) == &(mbx)->mbio[BHA_MBX_SIZE - 1]) \ (wmb) = &(mbx)->mbio[0]; \ else \ (wmb)++; struct bha_mbx { struct bha_mbx_out mbo[BHA_MBX_SIZE]; struct bha_mbx_in mbi[BHA_MBX_SIZE]; struct bha_mbx_out *cmbo; /* Collection Mail Box out */ struct bha_mbx_out *tmbo; /* Target Mail Box out */ struct bha_mbx_in *tmbi; /* Target Mail Box in */ }; struct bha_control { struct bha_mbx bc_mbx; /* all our mailboxes */ struct bha_ccb bc_ccbs[BHA_CCB_MAX]; /* all our control blocks */ }; struct bha_softc { struct device sc_dev; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; bus_dma_tag_t sc_dmat; bus_dmamap_t sc_dmamap_control; /* maps the control structures */ int sc_dmaflags; /* bus-specific dma map flags */ void *sc_ih; struct bha_control *sc_control; /* control structures */ int sc_iswide; #define wmbx (&sc->sc_control->bc_mbx) struct bha_ccb *sc_ccbhash[CCB_HASH_SIZE]; TAILQ_HEAD(, bha_ccb) sc_free_ccb, sc_waiting_ccb; int sc_mbofull; struct scsi_link sc_link; /* prototype for devs */ struct scsi_adapter sc_adapter; char sc_model[7]; char sc_firmware[6]; }; /* * Offset of a Mail Box In from the beginning of the control DMA mapping. */ #define BHA_MBI_OFF(m) (offsetof(struct bha_control, bc_mbx.mbi[0]) + \ (((u_long)(m)) - ((u_long)&wmbx->mbi[0]))) /* * Offset of a Mail Box Out from the beginning of the control DMA mapping. */ #define BHA_MBO_OFF(m) (offsetof(struct bha_control, bc_mbx.mbo[0]) + \ (((u_long)(m)) - ((u_long)&wmbx->mbo[0]))) /* * Offset of a CCB from the beginning of the control DMA mapping. */ #define BHA_CCB_OFF(c) (offsetof(struct bha_control, bc_ccbs[0]) + \ (((u_long)(c)) - ((u_long)&sc->sc_control->bc_ccbs[0]))) struct bha_probe_data { int sc_irq, sc_drq; int sc_scsi_dev; /* adapters scsi id */ int sc_iswide; /* adapter is wide */ }; /*#define ISWIDE(sc) (sc->sc_link.max_target >= 8)*/ int bha_cmd(bus_space_tag_t, bus_space_handle_t, struct bha_softc *, int, u_char *, int, u_char *); int bha_find(bus_space_tag_t, bus_space_handle_t, struct bha_probe_data *); void bha_attach(struct bha_softc *, struct bha_probe_data *); int bha_intr(void *); int bha_disable_isacompat(struct bha_softc *); void bha_inquire_setup_information(struct bha_softc *);