root/sys/dev/ic/cissvar.h
/*      $NetBSD: cissvar.h,v 1.11 2020/07/15 14:33:58 jdolecek Exp $    */
/*      $OpenBSD: cissvar.h,v 1.15 2013/05/30 16:15:02 deraadt 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/mutex.h>
#include <sys/condvar.h>

#include <dev/sysmon/sysmonvar.h>
#include <sys/envsys.h>

#include "opt_ciss.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 {
        /* Generic device info. */
        device_t                sc_dev;
        kmutex_t                sc_mutex;
        kmutex_t                sc_mutex_scratch;
        bus_space_handle_t      sc_ioh;
        bus_space_tag_t         sc_iot;
        bus_dma_tag_t           sc_dmat;
        void                    *sc_ih;
        void                    *sc_sh;         /* shutdown hook */
        struct proc             *sc_thread;
        int                     sc_flush;

        struct scsipi_channel   sc_channel;
        struct scsipi_adapter   sc_adapter;
        struct callout          sc_hb;

        u_int   sc_flags;
        int ccblen, maxcmd, maxsg, nbus, ndrives, maxunits;
        ciss_queue_head         sc_free_ccb;
        kcondvar_t              sc_condvar;

        bus_dmamap_t            cmdmap;
        bus_dma_segment_t       cmdseg[1];
        void *                  ccbs;
        void                    *scratch;
        u_int                   sc_waitflag;

        bus_space_handle_t      cfg_ioh;

        struct ciss_perf_config perfcfg;
        bus_dmamap_t            replymap;
        bus_dma_segment_t       replyseg[1];
        uint64_t                *perf_reply;
        int                     perf_rqidx, perf_cycle;
#define CISS_IS_PERF(sc)        ((sc)->perf_reply != NULL)

        int fibrillation;
        struct ciss_config cfg;
#define CISS_PERF_SUPPORTED(sc) ((sc)->cfg.methods & CISS_METH_PERF)
        int cfgoff;
        u_int32_t iem;
        u_int32_t heartbeat;
        struct ciss_ld **sc_lds;

        /* scsi ioctl from sd device */
        int                     (*sc_ioctl)(device_t, u_long, void *);

        struct sysmon_envsys    *sc_sme;
        envsys_data_t           *sc_sensor;
};

struct ciss_rawsoftc {
        struct ciss_softc *sc_softc;
        u_int8_t        sc_channel;
};

int     ciss_attach(struct ciss_softc *sc);
int     ciss_intr_simple_intx(void *v);
int     ciss_intr_perf_intx(void *v);
int     ciss_intr_perf_msi(void *v);