1 /* 2 * Copyright (c) 2013-2014 Qlogic Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND 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 COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 /* 28 * File: qls_ioctl.c 29 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. 30 */ 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 35 #include "qls_os.h" 36 #include "qls_hw.h" 37 #include "qls_def.h" 38 #include "qls_inline.h" 39 #include "qls_glbl.h" 40 #include "qls_ioctl.h" 41 #include "qls_dump.h" 42 extern qls_mpi_coredump_t ql_mpi_coredump; 43 44 static int qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 45 struct thread *td); 46 47 static struct cdevsw qla_cdevsw = { 48 .d_version = D_VERSION, 49 .d_ioctl = qls_eioctl, 50 .d_name = "qlxge", 51 }; 52 53 int 54 qls_make_cdev(qla_host_t *ha) 55 { 56 ha->ioctl_dev = make_dev(&qla_cdevsw, 57 ha->ifp->if_dunit, 58 UID_ROOT, 59 GID_WHEEL, 60 0600, 61 "%s", 62 if_name(ha->ifp)); 63 64 if (ha->ioctl_dev == NULL) 65 return (-1); 66 67 ha->ioctl_dev->si_drv1 = ha; 68 69 return (0); 70 } 71 72 void 73 qls_del_cdev(qla_host_t *ha) 74 { 75 if (ha->ioctl_dev != NULL) 76 destroy_dev(ha->ioctl_dev); 77 return; 78 } 79 80 static int 81 qls_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, 82 struct thread *td) 83 { 84 qla_host_t *ha; 85 int rval = 0; 86 device_t pci_dev; 87 88 qls_mpi_dump_t *mpi_dump; 89 90 if ((ha = (qla_host_t *)dev->si_drv1) == NULL) 91 return ENXIO; 92 93 pci_dev= ha->pci_dev; 94 95 switch(cmd) { 96 97 case QLA_MPI_DUMP: 98 mpi_dump = (qls_mpi_dump_t *)data; 99 100 if (mpi_dump->size == 0) { 101 mpi_dump->size = sizeof (qls_mpi_coredump_t); 102 } else { 103 if (mpi_dump->size < sizeof (qls_mpi_coredump_t)) 104 rval = EINVAL; 105 else { 106 qls_mpi_core_dump(ha); 107 rval = copyout( &ql_mpi_coredump, 108 mpi_dump->dbuf, 109 mpi_dump->size); 110 111 if (rval) { 112 device_printf(ha->pci_dev, 113 "%s: mpidump failed[%d]\n", 114 __func__, rval); 115 } 116 } 117 118 } 119 120 break; 121 default: 122 break; 123 } 124 125 return rval; 126 } 127 128