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 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