illumos gate

/*

 * Utility to send chip reset ioctl to mpt_sas driver on an illumos 

 * platform.

 *

 * Originally from J. Molanus

 *

 * Type in the command with no parameter and it will give

 * you the correct devhdl device path. Then type command

 * again with the suggested device path.

 */

#include <stdlib.h>

#include <sys/types.h>

#include <fcntl.h>

#include <string.h>

#include <stdio.h>

#include "mpi2_type.h"

#include "mpi2.h"

#include "mpi2_init.h"

#include "mptsas_ioctl.h"

#include <assert.h>

#include <errno.h>

#include <libdevice.h>

#include <libdevinfo.h>

static int

proces_node(di_node_t d, di_minor_t dm, void *arg)

{

    char *name;

    if ((name = di_devfs_path(d)) != NULL) {

            char *dname = di_driver_name(d);

            if ((strcmp(dname, "mpt_sas") == 0)  &&

                (strstr(name, "iport") == NULL)) {

                    printf("%s%d : /devices%s:devctl\n", dname, di_instance(d),

                       name);

            }

    }

}

void

list_mptsas()

{

    di_node_t d;

    d = di_init("/", DINFOSUBTREE | DINFOMINOR);

    assert (d != NULL);

    di_walk_minor(d, DDI_NT_NEXUS, NULL, 0, &proces_node);

    di_fini(d);

    exit(0);

}

int main(int argc, char *argv[])

{

    int i = 0;

    int fd;

    if (argc < 2) {

            printf("need mptsas card as argument\n");

                list_mptsas();

                return (-1);

    }

    if ((fd = open(argv[1], O_RDWR)) == -1) {

        printf("Failed to open %s : %s", argv[1], strerror(errno));

        return (-1);

    }

    if (ioctl(fd, (MPTIOCTL | 3), NULL) == -1) {

        printf("reset failed %s", strerror(errno));

        return (-1);

    }

    if (fd >0)

        close(fd);

    return (0);

}