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/cdefs.h> 29 #include <sys/param.h> 30 #include <sys/errno.h> 31 #include <err.h> 32 #include <libutil.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <string.h> 36 #include <unistd.h> 37 #include "mpsutil.h" 38 39 static int set_ncq(int ac, char **av); 40 41 MPS_TABLE(top, set); 42 43 static int 44 set_ncq(int ac, char **av) 45 { 46 MPI2_CONFIG_PAGE_HEADER header; 47 MPI2_CONFIG_PAGE_IO_UNIT_1 *iounit1; 48 MPI2_CONFIG_REQUEST req; 49 MPI2_CONFIG_REPLY reply; 50 int error, fd; 51 52 bzero(&req, sizeof(req)); 53 bzero(&header, sizeof(header)); 54 bzero(&reply, sizeof(reply)); 55 56 fd = mps_open(mps_unit); 57 if (fd < 0) { 58 error = errno; 59 warn("mps_open"); 60 return (error); 61 } 62 63 error = mps_read_config_page_header(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0, 64 &header, NULL); 65 if (error) { 66 error = errno; 67 warn("Failed to get IOUNIT page 1 header"); 68 return (error); 69 } 70 71 iounit1 = mps_read_config_page(fd, MPI2_CONFIG_PAGETYPE_IO_UNIT, 1, 0, NULL); 72 if (iounit1 == NULL) { 73 error = errno; 74 warn("Failed to get IOUNIT page 1 info"); 75 return (error); 76 } 77 78 if (ac == 1) { 79 /* just show current setting */ 80 printf("SATA Native Command Queueing is currently: %s\n", 81 ((iounit1->Flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE) == 0) ? 82 "ENABLED" : "DISABLED"); 83 } else if (ac == 2) { 84 if (!strcasecmp(av[1], "enable") || !strcmp(av[1], "1")) { 85 iounit1->Flags &= ~MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE; 86 } else if (!strcasecmp(av[1], "disable") || !strcmp(av[1], "0")) { 87 iounit1->Flags |= MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE; 88 } else { 89 free(iounit1); 90 error = EINVAL; 91 warn("set ncq: Only 'enable' and 'disable' allowed."); 92 return (EINVAL); 93 } 94 req.Function = MPI2_FUNCTION_CONFIG; 95 req.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT; 96 req.ExtPageLength = 0; 97 req.ExtPageType = 0; 98 req.Header = header; 99 req.PageAddress = 0; 100 if (mps_pass_command(fd, &req, sizeof(req) - sizeof(req.PageBufferSGE), &reply, sizeof(reply), 101 NULL, 0, iounit1, sizeof(iounit1), 30) != 0) { 102 free(iounit1); 103 error = errno; 104 warn("Failed to update config page"); 105 return (error); 106 } 107 if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) { 108 free(iounit1); 109 error = errno; 110 warn("%s", mps_ioc_status(reply.IOCStatus)); 111 return (error); 112 } 113 printf("NCQ setting accepted. It may not take effect until the controller is reset.\n"); 114 } else { 115 free(iounit1); 116 errno = EINVAL; 117 warn("set ncq: too many arguments"); 118 return (EINVAL); 119 } 120 free(iounit1); 121 122 close(fd); 123 return (0); 124 } 125 126 MPS_COMMAND(set, ncq, set_ncq, "[enable|disable]", "set SATA NCQ function") 127 128