/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Daniel Austin <freebsd-ports@dan.me.uk>
*
* 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.
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mpsutil.h"
static int set_ncq(int ac, char **av);
MPS_TABLE(top, set);
static int
set_ncq(int ac, char **av)
{
MPI2_CONFIG_PAGE_HEADER header;
MPI2_CONFIG_PAGE_IO_UNIT_1 *iounit1;
MPI2_CONFIG_REQUEST req;
MPI2_CONFIG_REPLY reply;
int error, fd;
bzero(&req, sizeof(req));
bzero(&header, sizeof(header));
bzero(&reply, sizeof(reply));
fd = mps_open(mps_unit);
if (fd < 0) {
error = errno;
warn("mps_open");
return (error);
}
error = mps_read_config_page_header(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0,
&header, NULL);
if (error) {
error = errno;
warn("Failed to get IOUNIT page 1 header");
return (error);
}
iounit1 = mps_read_config_page(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0, NULL);
if (iounit1 == NULL) {
error = errno;
warn("Failed to get IOUNIT page 1 info");
return (error);
}
if (ac == 1) {
/* just show current setting */
printf("SATA Native Command Queueing is currently: %s\n",
((iounit1->Flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE) == 0) ?
"ENABLED" : "DISABLED");
} else if (ac == 2) {
if (!strcasecmp(av[1], "enable") || !strcmp(av[1], "1")) {
iounit1->Flags &= ~MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE;
} else if (!strcasecmp(av[1], "disable") || !strcmp(av[1], "0")) {
iounit1->Flags |= MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE;
} else {
free(iounit1);
error = EINVAL;
warn("set ncq: Only 'enable' and 'disable' allowed.");
return (EINVAL);
}
req.Function = MPI2_FUNCTION_CONFIG;
req.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
req.ExtPageLength = 0;
req.ExtPageType = 0;
req.Header = header;
req.PageAddress = 0;
if (mps_pass_command(fd, &req, sizeof(req) - sizeof(req.PageBufferSGE), &reply, sizeof(reply),
NULL, 0, iounit1, sizeof(iounit1), 30) != 0) {
free(iounit1);
error = errno;
warn("Failed to update config page");
return (error);
}
if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
free(iounit1);
error = errno;
warn("%s", mps_ioc_status(reply.IOCStatus));
return (error);
}
printf("NCQ setting accepted. It may not take effect until the controller is reset.\n");
} else {
free(iounit1);
errno = EINVAL;
warn("set ncq: too many arguments");
return (EINVAL);
}
free(iounit1);
close(fd);
return (0);
}
MPS_COMMAND(set, ncq, set_ncq, "[enable|disable]", "set SATA NCQ function")
