1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2021 Daniel Austin <freebsd-ports@dan.me.uk>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/param.h>
29 #include <sys/errno.h>
30 #include <err.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <unistd.h>
35 #include "mpsutil.h"
36
37 static int set_ncq(int ac, char **av);
38
39 MPS_TABLE(top, set);
40
41 static int
set_ncq(int ac,char ** av)42 set_ncq(int ac, char **av)
43 {
44 MPI2_CONFIG_PAGE_HEADER header;
45 MPI2_CONFIG_PAGE_IO_UNIT_1 *iounit1;
46 MPI2_CONFIG_REQUEST req;
47 MPI2_CONFIG_REPLY reply;
48 int error, fd;
49
50 bzero(&req, sizeof(req));
51 bzero(&header, sizeof(header));
52 bzero(&reply, sizeof(reply));
53
54 fd = mps_open(mps_unit);
55 if (fd < 0) {
56 error = errno;
57 warn("mps_open");
58 return (error);
59 }
60
61 error = mps_read_config_page_header(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0,
62 &header, NULL);
63 if (error) {
64 error = errno;
65 warn("Failed to get IOUNIT page 1 header");
66 return (error);
67 }
68
69 iounit1 = mps_read_config_page(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0, NULL);
70 if (iounit1 == NULL) {
71 error = errno;
72 warn("Failed to get IOUNIT page 1 info");
73 return (error);
74 }
75
76 if (ac == 1) {
77 /* just show current setting */
78 printf("SATA Native Command Queueing is currently: %s\n",
79 ((iounit1->Flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE) == 0) ?
80 "ENABLED" : "DISABLED");
81 } else if (ac == 2) {
82 if (!strcasecmp(av[1], "enable") || !strcmp(av[1], "1")) {
83 iounit1->Flags &= ~MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE;
84 } else if (!strcasecmp(av[1], "disable") || !strcmp(av[1], "0")) {
85 iounit1->Flags |= MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE;
86 } else {
87 free(iounit1);
88 error = EINVAL;
89 warn("set ncq: Only 'enable' and 'disable' allowed.");
90 return (EINVAL);
91 }
92 req.Function = MPI2_FUNCTION_CONFIG;
93 req.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
94 req.ExtPageLength = 0;
95 req.ExtPageType = 0;
96 req.Header = header;
97 req.PageAddress = 0;
98 if (mps_pass_command(fd, &req, sizeof(req) - sizeof(req.PageBufferSGE), &reply, sizeof(reply),
99 NULL, 0, iounit1, sizeof(iounit1), 30) != 0) {
100 free(iounit1);
101 error = errno;
102 warn("Failed to update config page");
103 return (error);
104 }
105 if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
106 free(iounit1);
107 error = errno;
108 warn("%s", mps_ioc_status(reply.IOCStatus));
109 return (error);
110 }
111 printf("NCQ setting accepted. It may not take effect until the controller is reset.\n");
112 } else {
113 free(iounit1);
114 errno = EINVAL;
115 warn("set ncq: too many arguments");
116 return (EINVAL);
117 }
118 free(iounit1);
119
120 close(fd);
121 return (0);
122 }
123
124 MPS_COMMAND(set, ncq, set_ncq, "[enable|disable]", "set SATA NCQ function")
125
126