arch/s390/include/asm/chsc.h

   1 /*
   2  * ioctl interface for /dev/chsc
   3  *
   4  * Copyright 2008 IBM Corp.
   5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   6  */
   7
   8 #ifndef _ASM_CHSC_H
   9 #define _ASM_CHSC_H
  10
  11 #include <asm/chpid.h>
  12 #include <asm/schid.h>
  13
  14 struct chsc_async_header {
  15         __u16 length;
  16         __u16 code;
  17         __u32 cmd_dependend;
  18         __u32 key : 4;
  19         __u32 : 28;
  20         struct subchannel_id sid;
  21 } __attribute__ ((packed));
  22
  23 struct chsc_async_area {
  24         struct chsc_async_header header;
  25         __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
  26 } __attribute__ ((packed));
  27
  28
  29 struct chsc_response_struct {
  30         __u16 length;
  31         __u16 code;
  32         __u32 parms;
  33         __u8 data[PAGE_SIZE - 8];
  34 } __attribute__ ((packed));
  35
  36 struct chsc_chp_cd {
  37         struct chp_id chpid;
  38         int m;
  39         int fmt;
  40         struct chsc_response_struct cpcb;
  41 };
  42
  43 struct chsc_cu_cd {
  44         __u16 cun;
  45         __u8 cssid;
  46         int m;
  47         int fmt;
  48         struct chsc_response_struct cucb;
  49 };
  50
  51 struct chsc_sch_cud {
  52         struct subchannel_id schid;
  53         int fmt;
  54         struct chsc_response_struct scub;
  55 };
  56
  57 struct conf_id {
  58         int m;
  59         __u8 cssid;
  60         __u8 ssid;
  61 };
  62
  63 struct chsc_conf_info {
  64         struct conf_id id;
  65         int fmt;
  66         struct chsc_response_struct scid;
  67 };
  68
  69 struct ccl_parm_chpid {
  70         int m;
  71         struct chp_id chp;
  72 };
  73
  74 struct ccl_parm_cssids {
  75         __u8 f_cssid;
  76         __u8 l_cssid;
  77 };
  78
  79 struct chsc_comp_list {
  80         struct {
  81                 enum {
  82                         CCL_CU_ON_CHP = 1,
  83                         CCL_CHP_TYPE_CAP = 2,
  84                         CCL_CSS_IMG = 4,
  85                         CCL_CSS_IMG_CONF_CHAR = 5,
  86                         CCL_IOP_CHP = 6,
  87                 } ctype;
  88                 int fmt;
  89                 struct ccl_parm_chpid chpid;
  90                 struct ccl_parm_cssids cssids;
  91         } req;
  92         struct chsc_response_struct sccl;
  93 };
  94
  95 struct chsc_dcal {
  96         struct {
  97                 enum {
  98                         DCAL_CSS_IID_PN = 4,
  99                 } atype;
 100                 __u32 list_parm[2];
 101                 int fmt;
 102         } req;
 103         struct chsc_response_struct sdcal;
 104 };
 105
 106 struct chsc_cpd_info {
 107         struct chp_id chpid;
 108         int m;
 109         int fmt;
 110         int rfmt;
 111         int c;
 112         struct chsc_response_struct chpdb;
 113 };
 114
 115 #define CHSC_IOCTL_MAGIC 'c'
 116
 117 #define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
 118 #define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
 119                                     struct chsc_chp_cd)
 120 #define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
 121 #define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
 122 #define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
 123 #define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
 124 #define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
 125 #define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
 126
 127 #endif