sys/dev/qlxgb/qla_ioctl.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2011-2013 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: qla_ioctl.c
  31  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __FBSDID("$FreeBSD$");
  36
  37 #include "qla_os.h"
  38 #include "qla_reg.h"
  39 #include "qla_hw.h"
  40 #include "qla_def.h"
  41 #include "qla_reg.h"
  42 #include "qla_inline.h"
  43 #include "qla_glbl.h"
  44 #include "qla_ioctl.h"
  45
  46 static struct cdevsw qla_cdevsw = {
  47         .d_version = D_VERSION,
  48         .d_ioctl = qla_eioctl,
  49         .d_name = "qlcnic",
  50 };
  51
  52 int
  53 qla_make_cdev(qla_host_t *ha)
  54 {
  55         ha->ioctl_dev = make_dev(&qla_cdevsw,
  56                                 ha->ifp->if_dunit,
  57                                 UID_ROOT,
  58                                 GID_WHEEL,
  59                                 0600,
  60                                 "%s",
  61                                 if_name(ha->ifp));
  62
  63         if (ha->ioctl_dev == NULL)
  64                 return (-1);
  65
  66         ha->ioctl_dev->si_drv1 = ha;
  67
  68         return (0);
  69 }
  70
  71 void
  72 qla_del_cdev(qla_host_t *ha)
  73 {
  74         if (ha->ioctl_dev != NULL)
  75                 destroy_dev(ha->ioctl_dev);
  76         return;
  77 }
  78
  79 int
  80 qla_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
  81         struct thread *td)
  82 {
  83         qla_host_t *ha;
  84         int rval = 0;
  85         qla_reg_val_t *rv;
  86         qla_rd_flash_t *rdf;
  87         qla_wr_flash_t *wrf;
  88         qla_rd_pci_ids_t *pci_ids;
  89         device_t pci_dev;
  90
  91         if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
  92                 return ENXIO;
  93
  94         pci_dev= ha->pci_dev;
  95
  96         switch(cmd) {
  97
  98         case QLA_RDWR_REG:
  99
 100                 rv = (qla_reg_val_t *)data;
 101
 102                 if (rv->direct) {
 103                         if (rv->rd) {
 104                                 rv->val = READ_OFFSET32(ha, rv->reg);
 105                         } else {
 106                                 WRITE_OFFSET32(ha, rv->reg, rv->val);
 107                         }
 108                 } else {
 109                         if ((rval = qla_rdwr_indreg32(ha, rv->reg, &rv->val,
 110                                 rv->rd)))
 111                                 rval = ENXIO;
 112                 }
 113                 break;
 114
 115         case QLA_RD_FLASH:
 116                 rdf = (qla_rd_flash_t *)data;
 117                 if ((rval = qla_rd_flash32(ha, rdf->off, &rdf->data)))
 118                         rval = ENXIO;
 119                 break;
 120
 121         case QLA_WR_FLASH:
 122                 wrf = (qla_wr_flash_t *)data;
 123                 if ((rval = qla_wr_flash_buffer(ha, wrf->off, wrf->size,
 124                                         wrf->buffer, wrf->pattern)))
 125                         rval = ENXIO;
 126                 break;
 127
 128
 129         case QLA_ERASE_FLASH:
 130                 if (qla_erase_flash(ha, ((qla_erase_flash_t *)data)->off,
 131                         ((qla_erase_flash_t *)data)->size))
 132                         rval = ENXIO;
 133                 break;
 134
 135         case QLA_RD_PCI_IDS:
 136                 pci_ids = (qla_rd_pci_ids_t *)data;
 137                 pci_ids->ven_id = pci_get_vendor(pci_dev);
 138                 pci_ids->dev_id = pci_get_device(pci_dev);
 139                 pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
 140                 pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
 141                 pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
 142                 break;
 143
 144         default:
 145                 break;
 146         }
 147
 148         return rval;
 149 }
 150