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