LXR linux/include/uapi/linux/cm4000

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _UAPI_CM4000_H_
   3#define _UAPI_CM4000_H_
   4
   5#include <linux/types.h>
   6#include <linux/ioctl.h>
   7
   8#define MAX_ATR                 33
   9
  10#define CM4000_MAX_DEV          4
  11
  12/* those two structures are passed via ioctl() from/to userspace.  They are
  13 * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
  14 * not to break compilation of userspace apps. -HW */
  15
  16typedef struct atreq {
  17        __s32 atr_len;
  18        unsigned char atr[64];
  19        __s32 power_act;
  20        unsigned char bIFSD;
  21        unsigned char bIFSC;
  22} atreq_t;
  23
  24
  25/* what is particularly stupid in the original driver is the arch-dependent
  26 * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
  27 * will lay out the structure members differently than the 64bit kernel.
  28 *
  29 * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
  30 * On 32bit this will make no difference.  With 64bit kernels, it will make
  31 * 32bit apps work, too.
  32 */
  33
  34typedef struct ptsreq {
  35        __u32 protocol; /*T=0: 2^0, T=1:  2^1*/
  36        unsigned char flags;
  37        unsigned char pts1;
  38        unsigned char pts2;
  39        unsigned char pts3;
  40} ptsreq_t;
  41
  42#define CM_IOC_MAGIC            'c'
  43#define CM_IOC_MAXNR            255
  44
  45#define CM_IOCGSTATUS           _IOR (CM_IOC_MAGIC, 0, unsigned char *)
  46#define CM_IOCGATR              _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
  47#define CM_IOCSPTS              _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
  48#define CM_IOCSRDR              _IO  (CM_IOC_MAGIC, 3)
  49#define CM_IOCARDOFF            _IO  (CM_IOC_MAGIC, 4)
  50
  51#define CM_IOSDBGLVL            _IOW(CM_IOC_MAGIC, 250, int*)
  52
  53/* card and device states */
  54#define CM_CARD_INSERTED                0x01
  55#define CM_CARD_POWERED                 0x02
  56#define CM_ATR_PRESENT                  0x04
  57#define CM_ATR_VALID                    0x08
  58#define CM_STATE_VALID                  0x0f
  59/* extra info only from CM4000 */
  60#define CM_NO_READER                    0x10
  61#define CM_BAD_CARD                     0x20
  62
  63
  64#endif /* _UAPI_CM4000_H_ */
  65