/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2008, 2009 Yahoo!, Inc.
 * 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.
 * 3. The names of the authors may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * 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.
 */

#ifndef __MFIUTIL_H__
#define __MFIUTIL_H__

#include <sys/cdefs.h>
#include <sys/linker_set.h>

#include <dev/mfi/mfireg.h>

#define MRSAS_TYPE      "mrsas"
#define MFI_TYPE        "mfi"

/* 4.x compat */
#ifndef SET_DECLARE

/* <sys/cdefs.h> */
#define __used
#define __section(x)    __attribute__((__section__(x)))

/* <sys/linker_set.h> */
#undef __MAKE_SET
#undef DATA_SET

#define __MAKE_SET(set, sym)                                            \
        static void const * const __set_##set##_sym_##sym               \
        __section("set_" #set) __used = &sym

#define DATA_SET(set, sym)      __MAKE_SET(set, sym)

#define SET_DECLARE(set, ptype)                                         \
        extern ptype *__CONCAT(__start_set_,set);                       \
        extern ptype *__CONCAT(__stop_set_,set)

#define SET_BEGIN(set)                                                  \
        (&__CONCAT(__start_set_,set))
#define SET_LIMIT(set)                                                  \
        (&__CONCAT(__stop_set_,set))

#define SET_FOREACH(pvar, set)                                          \
        for (pvar = SET_BEGIN(set); pvar < SET_LIMIT(set); pvar++)

int     humanize_number(char *_buf, size_t _len, int64_t _number,
            const char *_suffix, int _scale, int _flags);

/* humanize_number(3) */
#define HN_DECIMAL              0x01
#define HN_NOSPACE              0x02
#define HN_B                    0x04
#define HN_DIVISOR_1000         0x08

#define HN_GETSCALE             0x10
#define HN_AUTOSCALE            0x20

#endif

/* Constants for DDF RAID levels. */
#define DDF_RAID0               0x00
#define DDF_RAID1               0x01
#define DDF_RAID3               0x03
#define DDF_RAID5               0x05
#define DDF_RAID6               0x06
#define DDF_RAID1E              0x11
#define DDF_JBOD                0x0f
#define DDF_CONCAT              0x1f
#define DDF_RAID5E              0x15
#define DDF_RAID5EE             0x25

struct mfiutil_command {
        const char *name;
        int (*handler)(int ac, char **av);
};

#define MFI_DATASET(name)       mfiutil_ ## name ## _table

#define MFI_COMMAND(set, name, function)                                \
        static struct mfiutil_command function ## _mfiutil_command =    \
        { #name, function };                                            \
        DATA_SET(MFI_DATASET(set), function ## _mfiutil_command)

#define MFI_TABLE(set, name)                                            \
        SET_DECLARE(MFI_DATASET(name), struct mfiutil_command);         \
                                                                        \
        static int                                                      \
        mfiutil_ ## name ## _table_handler(int ac, char **av)           \
        {                                                               \
                return (mfi_table_handler(SET_BEGIN(MFI_DATASET(name)), \
                    SET_LIMIT(MFI_DATASET(name)), ac, av));             \
        }                                                               \
        MFI_COMMAND(set, name, mfiutil_ ## name ## _table_handler)

/* Drive name printing options */
#define MFI_DNAME_ES            0x0001  /* E%u:S%u */
#define MFI_DNAME_DEVICE_ID     0x0002  /* %u */
#define MFI_DNAME_HONOR_OPTS    0x8000  /* Allow cmd line to override default */

extern char *mfi_device;

extern u_int mfi_opts;

/* We currently don't know the full details of the following struct */
struct mfi_foreign_scan_cfg {
        char data[24];
};

struct mfi_foreign_scan_info {
        uint32_t count; /* Number of foreign configs found */
        struct mfi_foreign_scan_cfg cfgs[8];
};

void    mbox_store_ldref(uint8_t *mbox, union mfi_ld_ref *ref);
void    mbox_store_pdref(uint8_t *mbox, union mfi_pd_ref *ref);
void    mfi_display_progress(const char *label, struct mfi_progress *prog);
int     mfi_table_handler(struct mfiutil_command **start,
    struct mfiutil_command **end, int ac, char **av);
const char *mfi_raid_level(uint8_t primary_level, uint8_t secondary_level);
const char *mfi_ldstate(enum mfi_ld_state state);
const char *mfi_pdstate(enum mfi_pd_state state);
const char *mfi_pd_inq_string(struct mfi_pd_info *info);
const char *mfi_volume_name(int fd, uint8_t target_id);
int     mfi_volume_busy(int fd, uint8_t target_id);
int     mfi_config_read(int fd, struct mfi_config_data **configp);
int     mfi_config_read_opcode(int fd, uint32_t opcode,
    struct mfi_config_data **configp, uint8_t *mbox, size_t mboxlen);
int     mfi_lookup_drive(int fd, char *drive, uint16_t *device_id);
int     mfi_lookup_volume(int fd, const char *name, uint8_t *target_id);
int     mfi_dcmd_command(int fd, uint32_t opcode, void *buf, size_t bufsize,
    uint8_t *mbox, size_t mboxlen, uint8_t *statusp);
int     mfi_open(char *dev, int acs);
int     mfi_ctrl_get_info(int fd, struct mfi_ctrl_info *info, uint8_t *statusp);
int     mfi_ld_get_info(int fd, uint8_t target_id, struct mfi_ld_info *info,
    uint8_t *statusp);
int     mfi_ld_get_list(int fd, struct mfi_ld_list *list, uint8_t *statusp);
int     mfi_pd_get_info(int fd, uint16_t device_id, struct mfi_pd_info *info,
    uint8_t *statusp);
int     mfi_pd_get_list(int fd, struct mfi_pd_list **listp, uint8_t *statusp);
int     mfi_reconfig_supported(const char *mfi_device);
const char *mfi_status(u_int status_code);
const char *mfi_drive_name(struct mfi_pd_info *pinfo, uint16_t device_id,
    uint32_t def);
void    format_stripe(char *buf, size_t buflen, uint8_t stripe);
void    print_ld(struct mfi_ld_info *info, int state_len);
void    print_pd(struct mfi_pd_info *info, int state_len);
void    dump_config(int fd, struct mfi_config_data *config, const char *msg_prefix);
int     mfi_bbu_get_props(int fd, struct mfi_bbu_properties *props,
            uint8_t *statusp);
int     mfi_bbu_set_props(int fd, struct mfi_bbu_properties *props,
            uint8_t *statusp);
void    mfi_autolearn_period(FILE *, uint32_t);
void    mfi_next_learn_time(uint32_t, char *, size_t);
void    mfi_autolearn_mode(FILE *, uint8_t);
int     get_mfi_unit(const char *dev);
char    *get_mfi_type(const char *dev);

void    scan_firmware(struct mfi_info_component *comp);
void    display_firmware(struct mfi_info_component *comp, const char *tag);

int     display_format(int ac, char **av, int diagnostic, mfi_dcmd_t display_cmd);
#endif /* !__MFIUTIL_H__ */