/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */
/*
 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
 */

#include "ddi_periodic.h"

#include <mdb/mdb_modapi.h>
#include <sys/ddi_periodic.h>
#include <sys/sysmacros.h>
#include <stdio.h>

/*ARGSUSED*/
int
dprinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
        char prflags[4];
        ddi_periodic_impl_t dpr;
        boolean_t verbose = B_FALSE;

        if (!(flags & DCMD_ADDRSPEC)) {
                if (mdb_walk_dcmd("ddi_periodic", "ddi_periodic", argc, argv)
                    == -1) {
                        mdb_warn("cannot walk 'ddi_periodic'");
                        return (DCMD_ERR);
                }
                return (DCMD_OK);
        }

        if (mdb_getopts(argc, argv,
            'v', MDB_OPT_SETBITS, B_TRUE, &verbose, NULL) != argc)
                return (DCMD_USAGE);

        if (mdb_vread(&dpr, sizeof (dpr), addr) == -1) {
                mdb_warn("could not read ddi_periodic_impl_t at %p", addr);
                return (DCMD_ERR);
        }

        if (DCMD_HDRSPEC(flags)) {
                mdb_printf("%16s %4s %3s %5s %5s %12s %s\n", "ADDR", "ID",
                    "LVL", "FLAGS", "MS", "FIRE_COUNT", "HANDLER");
                if (verbose) {
                        mdb_printf("%16s %16s %16s %s\n", "", "THREAD",
                            "CYCLIC_ID", "ARGUMENT");
                }
        }

        prflags[0] = dpr.dpr_flags & DPF_DISPATCHED ? 'D' : '-';
        prflags[1] = dpr.dpr_flags & DPF_EXECUTING ? 'X' : '-';
        prflags[2] = dpr.dpr_flags & DPF_CANCELLED ? 'C' : '-';
        prflags[3] = '\0';

        mdb_printf("%16p %4x %3d %5s %5d %12x %a\n", addr, dpr.dpr_id,
            dpr.dpr_level, prflags, (int)(dpr.dpr_interval / 1000000),
            dpr.dpr_fire_count, dpr.dpr_handler);
        if (verbose) {
                mdb_printf("%16s %16p %16p %a\n", "", dpr.dpr_thread,
                    dpr.dpr_cyclic_id, dpr.dpr_arg);
        }

        return (DCMD_OK);
}