/*      $OpenBSD: cissvar.h,v 1.16 2020/07/22 13:16:04 krw Exp $        */

/*
 * Copyright (c) 2005,2006 Michael Shalayeff
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/sensors.h>

struct ciss_ld {
        struct ciss_blink bling;        /* a copy of blink state */
        char    xname[16];              /* copy of the sdN name */
        int     ndrives;
        u_int8_t tgts[1];
};

struct ciss_softc {
        struct device   sc_dev;
        struct timeout  sc_hb;
        void            *sc_ih;
        int             sc_flush;
        struct ksensor  *sensors;
        struct ksensordev sensordev;

        u_int   sc_flags;
#define CISS_BIO        0x0001
        int ccblen, maxcmd, maxsg, nbus, ndrives, maxunits;
        struct ciss_ccb_list sc_free_ccb;
        struct mutex    sc_free_ccb_mtx;
        struct scsi_iopool sc_iopool;

        bus_space_tag_t iot;
        bus_space_handle_t ioh, cfg_ioh;
        bus_dma_tag_t   dmat;
        bus_dmamap_t    cmdmap;
        bus_dma_segment_t cmdseg[1];
        void            *ccbs;
        void            *scratch;

        struct ciss_config cfg;
        int cfgoff;
        u_int32_t iem;
        u_int32_t heartbeat;
        int       fibrillation;
        struct ciss_ld **sc_lds;
};

/* XXX These have to become spinlocks in case of fine SMP */
#define CISS_LOCK(sc) splbio()
#define CISS_UNLOCK(sc, lock) splx(lock)
#define CISS_LOCK_SCRATCH(sc) splbio()
#define CISS_UNLOCK_SCRATCH(sc, lock) splx(lock)
typedef int ciss_lock_t;

int     ciss_attach(struct ciss_softc *sc);
int     ciss_intr(void *v);
void    ciss_shutdown(void *v);