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 37 #include "qls_os.h" 38 #include "qls_hw.h" 39 #include "qls_def.h" 40 #include "qls_inline.h" 41 #include "qls_glbl.h" 42 #include "qls_ioctl.h" 43 #include "qls_dump.h" 44 extern qls_mpi_coredump_t ql_mpi_coredump; 45 46 static int qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 47 struct thread *td); 48 49 static struct cdevsw qla_cdevsw = { 50 .d_version = D_VERSION, 51 .d_ioctl = qls_eioctl, 52 .d_name = "qlxge", 53 }; 54 55 int 56 qls_make_cdev(qla_host_t *ha) 57 { 58 ha->ioctl_dev = make_dev(&qla_cdevsw, 59 ha->ifp->if_dunit, 60 UID_ROOT, 61 GID_WHEEL, 62 0600, 63 "%s", 64 if_name(ha->ifp)); 65 66 if (ha->ioctl_dev == NULL) 67 return (-1); 68 69 ha->ioctl_dev->si_drv1 = ha; 70 71 return (0); 72 } 73 74 void 75 qls_del_cdev(qla_host_t *ha) 76 { 77 if (ha->ioctl_dev != NULL) 78 destroy_dev(ha->ioctl_dev); 79 return; 80 } 81 82 static int 83 qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 84 struct thread *td) 85 { 86 qla_host_t *ha; 87 int rval = 0; 88 device_t pci_dev; 89 90 qls_mpi_dump_t *mpi_dump; 91 92 if ((ha = (qla_host_t *)dev->si_drv1) == NULL) 93 return ENXIO; 94 95 pci_dev= ha->pci_dev; 96 97 switch(cmd) { 98 99 case QLA_MPI_DUMP: 100 mpi_dump = (qls_mpi_dump_t *)data; 101 102 if (mpi_dump->size == 0) { 103 mpi_dump->size = sizeof (qls_mpi_coredump_t); 104 } else { 105 if ((mpi_dump->size != sizeof (qls_mpi_coredump_t)) || 106 (mpi_dump->dbuf == NULL)) 107 rval = EINVAL; 108 else { 109 if (qls_mpi_core_dump(ha) == 0) { 110 rval = copyout(&ql_mpi_coredump, 111 mpi_dump->dbuf, 112 mpi_dump->size); 113 } else 114 rval = ENXIO; 115 116 if (rval) { 117 device_printf(ha->pci_dev, 118 "%s: mpidump failed[%d]\n", 119 __func__, rval); 120 } 121 } 122 123 } 124 125 break; 126 default: 127 break; 128 } 129 130 return rval; 131 } 132 133