1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013-2014 Qlogic Corporation 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * File: qls_ioctl.c 31 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. 32 */ 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include "qls_os.h" 37 #include "qls_hw.h" 38 #include "qls_def.h" 39 #include "qls_inline.h" 40 #include "qls_glbl.h" 41 #include "qls_ioctl.h" 42 #include "qls_dump.h" 43 extern qls_mpi_coredump_t ql_mpi_coredump; 44 45 static int qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 46 struct thread *td); 47 48 static struct cdevsw qla_cdevsw = { 49 .d_version = D_VERSION, 50 .d_ioctl = qls_eioctl, 51 .d_name = "qlxge", 52 }; 53 54 int 55 qls_make_cdev(qla_host_t *ha) 56 { 57 ha->ioctl_dev = make_dev(&qla_cdevsw, 58 if_getdunit(ha->ifp), 59 UID_ROOT, 60 GID_WHEEL, 61 0600, 62 "%s", 63 if_name(ha->ifp)); 64 65 if (ha->ioctl_dev == NULL) 66 return (-1); 67 68 ha->ioctl_dev->si_drv1 = ha; 69 70 return (0); 71 } 72 73 void 74 qls_del_cdev(qla_host_t *ha) 75 { 76 if (ha->ioctl_dev != NULL) 77 destroy_dev(ha->ioctl_dev); 78 return; 79 } 80 81 static int 82 qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 83 struct thread *td) 84 { 85 qla_host_t *ha; 86 int rval = 0; 87 88 qls_mpi_dump_t *mpi_dump; 89 90 if ((ha = (qla_host_t *)dev->si_drv1) == NULL) 91 return ENXIO; 92 93 switch(cmd) { 94 case QLA_MPI_DUMP: 95 mpi_dump = (qls_mpi_dump_t *)data; 96 97 if (mpi_dump->size == 0) { 98 mpi_dump->size = sizeof (qls_mpi_coredump_t); 99 } else { 100 if ((mpi_dump->size != sizeof (qls_mpi_coredump_t)) || 101 (mpi_dump->dbuf == NULL)) 102 rval = EINVAL; 103 else { 104 if (qls_mpi_core_dump(ha) == 0) { 105 rval = copyout(&ql_mpi_coredump, 106 mpi_dump->dbuf, 107 mpi_dump->size); 108 } else 109 rval = ENXIO; 110 111 if (rval) { 112 device_printf(ha->pci_dev, 113 "%s: mpidump failed[%d]\n", 114 __func__, rval); 115 } 116 } 117 } 118 119 break; 120 default: 121 break; 122 } 123 124 return rval; 125 } 126