include/sys/sunddi.h

   1 /*
   2  *  This file is part of the SPL: Solaris Porting Layer.
   3  *
   4  *  Copyright (c) 2008 Lawrence Livermore National Security, LLC.
   5  *  Produced at Lawrence Livermore National Laboratory
   6  *  Written by:
   7  *          Brian Behlendorf <behlendorf1@llnl.gov>,
   8  *          Herb Wartens <wartens2@llnl.gov>,
   9  *          Jim Garlick <garlick@llnl.gov>
  10  *  UCRL-CODE-235197
  11  *
  12  *  This is free software; you can redistribute it and/or modify it
  13  *  under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This is distributed in the hope that it will be useful, but WITHOUT
  18  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20  *  for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License along
  23  *  with this program; if not, write to the Free Software Foundation, Inc.,
  24  *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
  25  */
  26
  27 #ifndef _SPL_SUNDDI_H
  28 #define _SPL_SUNDDI_H
  29
  30 #include <sys/cred.h>
  31 #include <sys/uio.h>
  32 #include <sys/sunldi.h>
  33 #include <sys/mutex.h>
  34 #include <linux/kdev_t.h>
  35 #include <linux/fs.h>
  36 #include <linux/cdev.h>
  37 #include <linux/list.h>
  38 #include <spl-device.h>
  39
  40 typedef int ddi_devid_t;
  41
  42 typedef enum {
  43         DDI_INFO_DEVT2DEVINFO   = 0,
  44         DDI_INFO_DEVT2INSTANCE  = 1
  45 } ddi_info_cmd_t;
  46
  47 typedef enum {
  48         DDI_ATTACH              = 0,
  49         DDI_RESUME              = 1,
  50         DDI_PM_RESUME           = 2
  51 } ddi_attach_cmd_t;
  52
  53 typedef enum {
  54         DDI_DETACH              = 0,
  55         DDI_SUSPEND             = 1,
  56         DDI_PM_SUSPEND          = 2,
  57         DDI_HOTPLUG_DETACH      = 3
  58 } ddi_detach_cmd_t;
  59
  60 typedef enum {
  61         DDI_RESET_FORCE = 0
  62 } ddi_reset_cmd_t;
  63
  64 typedef enum {
  65         PROP_LEN                = 0,
  66         PROP_LEN_AND_VAL_BUF    = 1,
  67         PROP_LEN_AND_VAL_ALLOC  = 2,
  68         PROP_EXISTS             = 3
  69 } ddi_prop_op_t;
  70
  71 typedef void *devmap_cookie_t;
  72 typedef struct as {
  73        uchar_t  a_flags;
  74 } as_t;
  75
  76 typedef struct pollhead {
  77         struct polldat *ph_list;
  78 } pollhead_t;
  79
  80 typedef struct dev_info {
  81         kmutex_t di_lock;
  82         struct dev_ops *di_ops;
  83         struct cdev *di_cdev;
  84         spl_class *di_class;
  85         spl_device *di_device;
  86         major_t di_major;
  87         minor_t di_minor;
  88         dev_t di_dev;
  89         unsigned di_minors;
  90         struct list_head di_list;
  91 } dev_info_t;
  92
  93 typedef struct cb_ops {
  94         int (*cb_open)(dev_t *devp, int flag, int otyp, cred_t *credp);
  95         int (*cb_close)(dev_t dev, int flag, int otyp, cred_t *credp);
  96         int (*cb_strategy)(void *bp);
  97         int (*cb_print)(dev_t dev, char *str);
  98         int (*cb_dump)(dev_t dev, caddr_t addr, daddr_t blkno, int nblk);
  99         int (*cb_read)(dev_t dev, struct uio *uiop, cred_t *credp);
 100         int (*cb_write)(dev_t dev, struct uio *uiop, cred_t *credp);
 101         int (*cb_ioctl)(dev_t dev, int cmd, intptr_t arg, int mode,
 102                         cred_t *credp, int *rvalp);
 103         int (*cb_devmap)(dev_t dev, devmap_cookie_t dhp, offset_t off,
 104                          size_t len, size_t *maplen, uint_t model);
 105         int (*cb_mmap)(dev_t dev, off_t off, int prot);
 106         int (*cb_segmap)(dev_t dev, off_t off, struct as *asp,
 107                          caddr_t *addrp, off_t len, unsigned int prot,
 108                          unsigned int maxprot, unsigned int flags,
 109                          cred_t *credp);
 110         int (*cb_chpoll)(dev_t dev, short events, int anyyet,
 111                          short *reventsp, struct pollhead **phpp);
 112         int (*cb_prop_op)(dev_t dev, dev_info_t *dip,
 113                           ddi_prop_op_t prop_op, int mod_flags,
 114                           char *name, caddr_t valuep, int *length);
 115         struct streamtab *cb_str;
 116         int cb_flag;
 117         int cb_rev;
 118         int (*cb_aread)(dev_t dev, struct aio_req *aio, cred_t *credp);
 119         int (*cb_awrite)(dev_t dev, struct aio_req *aio, cred_t *credp);
 120 } cb_ops_t;
 121
 122 typedef struct dev_ops {
 123         int devo_rev;
 124         int devo_refcnt;
 125
 126         int (*devo_getinfo)(dev_info_t *dip,
 127                             ddi_info_cmd_t infocmd, void *arg, void **result);
 128         int (*devo_identify)(dev_info_t *dip);
 129         int (*devo_probe)(dev_info_t *dip);
 130         int (*devo_attach)(dev_info_t *dip, ddi_attach_cmd_t cmd);
 131         int (*devo_detach)(dev_info_t *dip, ddi_detach_cmd_t cmd);
 132         int (*devo_reset)(dev_info_t *dip, ddi_reset_cmd_t cmd);
 133
 134         struct cb_ops *devo_cb_ops;
 135         struct bus_ops *devo_bus_ops;
 136         int (*devo_power)(dev_info_t *dip, int component, int level);
 137 } dev_ops_t;
 138
 139 typedef struct mod_ops {
 140         int (*modm_install)(void);
 141         int (*modm_remove)(void);
 142         int (*modm_info)(void);
 143 } mod_ops_t;
 144
 145 typedef struct modldrv {
 146         struct mod_ops *drv_modops;
 147         char *drv_linkinfo;
 148         struct dev_ops *drv_dev_ops;
 149         struct dev_info *drv_dev_info;
 150 } modldrv_t;
 151
 152 #define MODREV_1                        1
 153
 154 #define D_NEW                           0x000
 155 #define D_MP                            0x020
 156 #define D_64BIT                         0x200
 157
 158 #define DEVO_REV                        3
 159 #define CB_REV                          1
 160
 161 #define DDI_SUCCESS                     0
 162 #define DDI_FAILURE                     -1
 163
 164 #define DDI_PSEUDO                      "ddi_pseudo"
 165
 166 #define nodev                           NULL
 167 #define nochpoll                        NULL
 168 #define nulldev                         NULL
 169 #define mod_driverops                   NULL
 170 #define ddi_prop_op                     NULL
 171
 172 #define getminor(x)                     (x)
 173 #define getmajor(x)                     (x)
 174 #define ddi_driver_major(di)            getmajor(di->di_dev)
 175
 176 #define DDI_DEV_T_NONE                  ((dev_t)-1)
 177 #define DDI_DEV_T_ANY                   ((dev_t)-2)
 178 #define DDI_MAJOR_T_UNKNOWN             ((major_t)0)
 179
 180 #define DDI_PROP_DONTPASS               0x0001
 181 #define DDI_PROP_CANSLEEP               0x0002
 182
 183 #define ddi_prop_lookup_string(x1,x2,x3,x4,x5)  (*x5 = NULL)
 184 #define ddi_prop_free(x)                        (void)0
 185 #define ddi_root_node()                         (void)0
 186
 187 #define mod_install(x)                  0
 188 #define mod_remove(x)                   0
 189
 190 extern int __ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type,
 191                                    minor_t minor_num, char *node_type,
 192                                    int flag, struct module *mod);
 193 extern void __ddi_remove_minor_node(dev_info_t *dip, char *name);
 194 extern int __mod_install(struct modlinkage *modlp);
 195 extern int __mod_remove(struct modlinkage *modlp);
 196
 197 static __inline__ void ddi_report_dev(dev_info_t *d) { }
 198 static __inline__ void ddi_prop_remove_all(dev_info_t *dip) { }
 199
 200 static __inline__ int
 201 ddi_create_minor_node(dev_info_t *di, char *name, int spec_type,
 202                       minor_t minor_num, char *node_type, int flag)
 203 {
 204         return __ddi_create_minor_node(di, name, spec_type, minor_num,
 205                                        node_type, flag, THIS_MODULE);
 206
 207 }
 208
 209 #undef mod_install
 210 #undef mod_remove
 211
 212 #define ddi_remove_minor_node           __ddi_remove_minor_node
 213 #define mod_install                     __mod_install
 214 #define mod_remove                      __mod_remove
 215
 216 #endif /* SPL_SUNDDI_H */