drivers/block/ida_ioctl.h

   1 /*
   2  *    Disk Array driver for Compaq SMART2 Controllers
   3  *    Copyright 1998 Compaq Computer Corporation
   4  *
   5  *    This program is free software; you can redistribute it and/or modify
   6  *    it under the terms of the GNU General Public License as published by
   7  *    the Free Software Foundation; either version 2 of the License, or
   8  *    (at your option) any later version.
   9  *
  10  *    This program is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  13  *    NON INFRINGEMENT.  See the GNU General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU General Public License
  16  *    along with this program; if not, write to the Free Software
  17  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
  20  *
  21  */
  22 #ifndef IDA_IOCTL_H
  23 #define IDA_IOCTL_H
  24
  25 #include "ida_cmd.h"
  26 #include "cpqarray.h"
  27
  28 #define IDAGETDRVINFO           0x27272828
  29 #define IDAPASSTHRU             0x28282929
  30 #define IDAGETCTLRSIG           0x29293030
  31 #define IDAREVALIDATEVOLS       0x30303131
  32 #define IDADRIVERVERSION        0x31313232
  33 #define IDAGETPCIINFO           0x32323333
  34
  35 typedef struct _ida_pci_info_struct
  36 {
  37         unsigned char   bus;
  38         unsigned char   dev_fn;
  39         __u32           board_id;
  40 } ida_pci_info_struct;
  41 /*
  42  * Normally, the ioctl determines the logical unit for this command by
  43  * the major,minor number of the fd passed to ioctl.  If you need to send
  44  * a command to a different/nonexistant unit (such as during config), you
  45  * can override the normal behavior by setting the unit valid bit. (Normally,
  46  * it should be zero) The controller the command is sent to is still
  47  * determined by the major number of the open device.
  48  */
  49
  50 #define UNITVALID       0x80
  51 typedef struct {
  52         __u8    cmd;
  53         __u8    rcode;
  54         __u8    unit;
  55         __u32   blk;
  56         __u16   blk_cnt;
  57
  58 /* currently, sg_cnt is assumed to be 1: only the 0th element of sg is used */
  59         struct {
  60                 void    __user *addr;
  61                 size_t  size;
  62         } sg[SG_MAX];
  63         int     sg_cnt;
  64
  65         union ctlr_cmds {
  66                 drv_info_t              drv;
  67                 unsigned char           buf[1024];
  68
  69                 id_ctlr_t               id_ctlr;
  70                 drv_param_t             drv_param;
  71                 id_log_drv_t            id_log_drv;
  72                 id_log_drv_ext_t        id_log_drv_ext;
  73                 sense_log_drv_stat_t    sense_log_drv_stat;
  74                 id_phys_drv_t           id_phys_drv;
  75                 blink_drv_leds_t        blink_drv_leds;
  76                 sense_blink_leds_t      sense_blink_leds;
  77                 config_t                config;
  78                 reorder_log_drv_t       reorder_log_drv;
  79                 label_log_drv_t         label_log_drv;
  80                 surf_delay_t            surf_delay;
  81                 overhead_delay_t        overhead_delay;
  82                 mp_delay_t              mp_delay;
  83                 scsi_param_t            scsi_param;
  84         } c;
  85 } ida_ioctl_t;
  86
  87 #endif /* IDA_IOCTL_H */