sys/dev/qlxgb/qla_ioctl.c

   1 /*
   2  * Copyright (c) 2011-2013 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: qla_ioctl.c
  29  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __FBSDID("$FreeBSD$");
  34
  35 #include "qla_os.h"
  36 #include "qla_reg.h"
  37 #include "qla_hw.h"
  38 #include "qla_def.h"
  39 #include "qla_reg.h"
  40 #include "qla_inline.h"
  41 #include "qla_glbl.h"
  42 #include "qla_ioctl.h"
  43
  44 static struct cdevsw qla_cdevsw = {
  45         .d_version = D_VERSION,
  46         .d_ioctl = qla_eioctl,
  47         .d_name = "qlcnic",
  48 };
  49
  50 int
  51 qla_make_cdev(qla_host_t *ha)
  52 {
  53         ha->ioctl_dev = make_dev(&qla_cdevsw,
  54                                 ha->ifp->if_dunit,
  55                                 UID_ROOT,
  56                                 GID_WHEEL,
  57                                 0600,
  58                                 "%s",
  59                                 if_name(ha->ifp));
  60
  61         if (ha->ioctl_dev == NULL)
  62                 return (-1);
  63
  64         ha->ioctl_dev->si_drv1 = ha;
  65
  66         return (0);
  67 }
  68
  69 void
  70 qla_del_cdev(qla_host_t *ha)
  71 {
  72         if (ha->ioctl_dev != NULL)
  73                 destroy_dev(ha->ioctl_dev);
  74         return;
  75 }
  76
  77 int
  78 qla_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
  79         struct thread *td)
  80 {
  81         qla_host_t *ha;
  82         int rval = 0;
  83         qla_reg_val_t *rv;
  84         qla_rd_flash_t *rdf;
  85         qla_wr_flash_t *wrf;
  86         qla_rd_pci_ids_t *pci_ids;
  87         device_t pci_dev;
  88
  89         if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
  90                 return ENXIO;
  91
  92         pci_dev= ha->pci_dev;
  93
  94         switch(cmd) {
  95
  96         case QLA_RDWR_REG:
  97
  98                 rv = (qla_reg_val_t *)data;
  99
 100                 if (rv->direct) {
 101                         if (rv->rd) {
 102                                 rv->val = READ_OFFSET32(ha, rv->reg);
 103                         } else {
 104                                 WRITE_OFFSET32(ha, rv->reg, rv->val);
 105                         }
 106                 } else {
 107                         if ((rval = qla_rdwr_indreg32(ha, rv->reg, &rv->val,
 108                                 rv->rd)))
 109                                 rval = ENXIO;
 110                 }
 111                 break;
 112
 113         case QLA_RD_FLASH:
 114                 rdf = (qla_rd_flash_t *)data;
 115                 if ((rval = qla_rd_flash32(ha, rdf->off, &rdf->data)))
 116                         rval = ENXIO;
 117                 break;
 118
 119         case QLA_WR_FLASH:
 120                 wrf = (qla_wr_flash_t *)data;
 121                 if ((rval = qla_wr_flash_buffer(ha, wrf->off, wrf->size,
 122                                         wrf->buffer, wrf->pattern)))
 123                         rval = ENXIO;
 124                 break;
 125
 126
 127         case QLA_ERASE_FLASH:
 128                 if (qla_erase_flash(ha, ((qla_erase_flash_t *)data)->off,
 129                         ((qla_erase_flash_t *)data)->size))
 130                         rval = ENXIO;
 131                 break;
 132
 133         case QLA_RD_PCI_IDS:
 134                 pci_ids = (qla_rd_pci_ids_t *)data;
 135                 pci_ids->ven_id = pci_get_vendor(pci_dev);
 136                 pci_ids->dev_id = pci_get_device(pci_dev);
 137                 pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
 138                 pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
 139                 pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
 140                 break;
 141
 142         default:
 143                 break;
 144         }
 145
 146         return rval;
 147 }
 148