/*      $NetBSD: cmds.c,v 1.13 2011/08/14 17:57:44 christos Exp $       */

/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
*/

/*-
* Copyright (c) 1999 Michael Smith
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* from FreeBSD: command.c,v 1.2 2000/04/11 23:04:17 msmith Exp
*/

#ifndef lint
#include <sys/cdefs.h>
__RCSID("$NetBSD: cmds.c,v 1.13 2011/08/14 17:57:44 christos Exp $");
#endif /* not lint */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/queue.h>
#include <sys/endian.h>

#include <dev/ic/mlxreg.h>
#include <dev/ic/mlxio.h>

#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "extern.h"

static void     cmd_status0(struct mlx_disk *);
static void     cmd_check0(struct mlx_disk *);
static void     cmd_detach0(struct mlx_disk *);

static struct   mlx_rebuild_status rs;
static int      rstatus;

static struct {
       int     hwid;
       const char      *name;
} const mlx_ctlr_names[] = {
       { 0x00, "960E/960M" },
       { 0x01, "960P/PD" },
       { 0x02, "960PL" },
       { 0x10, "960PG" },
       { 0x11, "960PJ" },
       { 0x12, "960PR" },
       { 0x13, "960PT" },
       { 0x14, "960PTL0" },
       { 0x15, "960PRL" } ,
       { 0x16, "960PTL1" },
       { 0x20, "1100PVX" },
       { -1,   NULL },
};

/*
* Status output
*/
static void
cmd_status0(struct mlx_disk *md)
{
       int result;

       result = md->hwunit;
       if (ioctl(mlxfd, MLXD_STATUS, &result) < 0)
               err(EXIT_FAILURE, "ioctl(MLXD_STATUS)");

       switch(result) {
       case MLX_SYSD_ONLINE:
               printf("%s: online\n", md->name);
               break;

       case MLX_SYSD_CRITICAL:
               printf("%s: critical\n", md->name);
               if (!rstatus)
                       rstatus = 1;
               break;

       case MLX_SYSD_OFFLINE:
               printf("%s: offline\n", md->name);
               rstatus = 2;
               break;

       default:
               printf("%s: unknown status 0x%02x\n", md->name, result);
               break;
       }

       /* Rebuild/check in progress on this drive? */
       if (rs.rs_drive == md->hwunit &&
           rs.rs_code != MLX_REBUILDSTAT_IDLE) {
               switch(rs.rs_code) {
               case MLX_REBUILDSTAT_REBUILDCHECK:
                       printf(" [consistency check");
                       break;

               case MLX_REBUILDSTAT_ADDCAPACITY:
                       printf(" [add capacity");
                       break;

               case MLX_REBUILDSTAT_ADDCAPACITYINIT:
                       printf(" [add capacity init");
                       break;

               default:
                       printf(" [unknown operation");
                       break;
               }

               printf(": %d/%d, %d%% complete]\n", rs.rs_remaining, rs.rs_size,
                  ((rs.rs_size - rs.rs_remaining) / (rs.rs_size / 100)));
       }
}

int
cmd_status(char **argv)
{

       if (ioctl(mlxfd, MLX_REBUILDSTAT, &rs) < 0)
               err(EXIT_FAILURE, "ioctl(MLX_REBUILDSTAT)");

       mlx_disk_iterate(cmd_status0);
       return (rstatus);
}

/*
* Display controller status.
*/
int
cmd_cstatus(char **argv)
{
       struct mlx_enquiry2 enq;
       struct mlx_phys_drv pd;
       static char buf[80];
       const char *model;
       int channel, target;
       size_t i;

       model = NULL;   /* XXXGCC -Wuninitialized */

       for (i = 0; i < sizeof(mlx_ctlr_names) / sizeof(mlx_ctlr_names[0]); i++)
               if (ci.ci_hardware_id == mlx_ctlr_names[i].hwid) {
                       model = mlx_ctlr_names[i].name;
                       break;
               }

       if (i == sizeof(mlx_ctlr_names) / sizeof(mlx_ctlr_names[0])) {
               snprintf(buf, sizeof(buf), " model 0x%x", ci.ci_hardware_id);
               model = buf;
       }

       printf("DAC%s, %d channel%s, firmware %d.%02d-%c-%02d",
           model, ci.ci_nchan,
           ci.ci_nchan > 1 ? "s" : "",
           ci.ci_firmware_id[0], ci.ci_firmware_id[1],
           ci.ci_firmware_id[3], ci.ci_firmware_id[2]);
       if (ci.ci_mem_size != 0)
               printf(", %dMB RAM", ci.ci_mem_size >> 20);
       printf("\n");

       if (verbosity > 0 && ci.ci_iftype > 1) {
               uint32_t hid, sid;

               mlx_enquiry(&enq);
               memcpy(&hid, enq.me_hardware_id, sizeof(hid));
               memcpy(&sid, enq.me_firmware_id, sizeof(sid));

               printf("  Hardware ID\t\t\t0x%08x\n", le32toh(hid));
               printf("  Firmware ID\t\t\t0x%08x\n", le32toh(sid));
               printf("  Configured/Actual channels\t%d/%d\n",
                   enq.me_configured_channels, enq.me_actual_channels);
               printf("  Max Targets\t\t\t%d\n", enq.me_max_targets);
               printf("  Max Tags\t\t\t%d\n", enq.me_max_tags);
               printf("  Max System Drives\t\t%d\n", enq.me_max_sys_drives);
               printf("  Max Arms\t\t\t%d\n", enq.me_max_arms);
               printf("  Max Spans\t\t\t%d\n", enq.me_max_spans);
               printf("  DRAM/cache/flash/NVRAM size\t%d/%d/%d/%d\n",
                   le32toh(enq.me_mem_size), le32toh(enq.me_cache_size),
                   le32toh(enq.me_flash_size), le32toh(enq.me_nvram_size));
               printf("  DRAM type\t\t\t%d\n", le16toh(enq.me_mem_type));
               printf("  Clock Speed\t\t\t%dns\n",
                   le16toh(enq.me_clock_speed));
               printf("  Hardware Speed\t\t%dns\n",
                   le16toh(enq.me_hardware_speed));
               printf("  Max Commands\t\t\t%d\n",
                   le16toh(enq.me_max_commands));
               printf("  Max SG Entries\t\t%d\n", le16toh(enq.me_max_sg));
               printf("  Max DP\t\t\t%d\n", le16toh(enq.me_max_dp));
               printf("  Max IOD\t\t\t%d\n", le16toh(enq.me_max_iod));
               printf("  Max Comb\t\t\t%d\n", le16toh(enq.me_max_comb));
               printf("  Latency\t\t\t%ds\n", enq.me_latency);
               printf("  SCSI Timeout\t\t\t%ds\n", enq.me_scsi_timeout);
               printf("  Min Free Lines\t\t%d\n",
                   le16toh(enq.me_min_freelines));
               printf("  Rate Constant\t\t\t%d\n", enq.me_rate_const);
               printf("  MAXBLK\t\t\t%d\n", le16toh(enq.me_maxblk));
               printf("  Blocking Factor\t\t%d sectors\n",
                   le16toh(enq.me_blocking_factor));
               printf("  Cache Line Size\t\t%d blocks\n",
                   le16toh(enq.me_cacheline));
               printf("  SCSI Capability\t\t%s%dMHz, %d bit\n",
                     enq.me_scsi_cap & (1<<4) ? "differential " : "",
                     (1 << ((enq.me_scsi_cap >> 2) & 3)) * 10,
                     8 << (enq.me_scsi_cap & 0x3));
               printf("  Firmware Build Number\t\t%d\n",
                   le16toh(enq.me_firmware_build));
               printf("  Fault Management Type\t\t%d\n",
                   enq.me_fault_mgmt_type);
#if 0
               printf("  Features\t\t\t%b\n", enq.me_firmware_features,
                     "\20\4Background Init\3Read Ahead\2MORE\1Cluster\n");
#endif
       } else if (verbosity > 0 && ci.ci_iftype == 1)
               warnx("can't be verbose for this firmware level");

       fflush(stdout);

       if (ci.ci_firmware_id[0] < 3) {
               warnx("can't display physical drives for this firmware level");
               return (0);
       }

       /*
        * Fetch and print physical drive data.
        */
       for (channel = 0; channel < enq.me_configured_channels; channel++) {
               for (target = 0; target < enq.me_max_targets; target++)
                       if (mlx_get_device_state(channel, target, &pd) == 0 &&
                           (pd.pd_flags1 & MLX_PHYS_DRV_PRESENT) != 0)
                               mlx_print_phys_drv(&pd, channel, target, "  ");
       }

       return (0);
}

/*
* Recscan for new or changed system drives.
*/
int
cmd_rescan(char **argv)
{

       if (ioctl(mlxfd, MLX_RESCAN_DRIVES) < 0)
               err(EXIT_FAILURE, "rescan failed");
       return (0);
}

/*
* Detach one or more system drives from a controller.
*/
static void
cmd_detach0(struct mlx_disk *md)
{

       if (ioctl(mlxfd, MLXD_DETACH, &md->hwunit) < 0)
               warn("can't detach %s", md->name);
}

int
cmd_detach(char **argv)
{

       mlx_disk_iterate(cmd_detach0);
       return (0);
}

/*
* Initiate a consistency check on a system drive.
*/
static void
cmd_check0(struct mlx_disk *md)
{
       int result;

       if (ioctl(mlxfd, MLXD_CHECKASYNC, &result) == 0)
               return;

       switch (result) {
       case 0x0002:
               warnx("one or more of the SCSI disks on which %s", md->name);
               warnx("depends is DEAD.");
               break;

       case 0x0105:
               warnx("drive %s is invalid, or not a drive which ", md->name);
               warnx("can be checked.");
               break;

       case 0x0106:
               warnx("drive rebuild or consistency check is already ");
               warnx("in progress on this controller.");
               break;

       default:
               err(EXIT_FAILURE, "ioctl(MLXD_CHECKASYNC)");
               /* NOTREACHED */
       }
}

int
cmd_check(char **argv)
{

       if (ci.ci_firmware_id[0] < 3) {
               warnx("action not supported by this firmware version");
               return (1);
       }

       mlx_disk_iterate(cmd_check0);
       return (0);
}

/*
* Initiate a physical drive rebuild.
*/
int
cmd_rebuild(char **argv)
{
       struct mlx_rebuild_request rb;
       char *p;

       if (ci.ci_firmware_id[0] < 3) {
               warnx("action not supported by this firmware version");
               return (1);
       }

       if (argv[0] == NULL || argv[1] != NULL)
               usage();

       rb.rr_channel = (int)strtol(*argv, &p, 0);
       if (p[0] != ':' || p[1] == '\0')
               usage();

       rb.rr_target = (int)strtol(*argv, &p, 0);
       if (p[0] != '\0')
               usage();

       if (ioctl(mlxfd, MLX_REBUILDASYNC, &rb) == 0)
               return (0);

       switch (rb.rr_status) {
       case 0x0002:
               warnx("the drive at %d:%d is already ONLINE", rb.rr_channel,
                   rb.rr_target);
               break;

       case 0x0004:
               warnx("drive failed during rebuild");
               break;

       case 0x0105:
               warnx("there is no drive at %d:%d", rb.rr_channel,
                   rb.rr_target);
               break;

       case 0x0106:
               warnx("drive rebuild or consistency check is already in ");
               warnx("progress on this controller");
               break;

       default:
               err(EXIT_FAILURE, "ioctl(MLXD_CHECKASYNC)");
               /* NOTREACHED */
       }

       return(0);
}

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