arch/s390/include/uapi/asm/chsc.h

   1 /*
   2  * ioctl interface for /dev/chsc
   3  *
   4  * Copyright IBM Corp. 2008, 2012
   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 <linux/types.h>
  12 #include <linux/ioctl.h>
  13 #include <asm/chpid.h>
  14 #include <asm/schid.h>
  15
  16 #define CHSC_SIZE 0x1000
  17
  18 struct chsc_async_header {
  19         __u16 length;
  20         __u16 code;
  21         __u32 cmd_dependend;
  22         __u32 key : 4;
  23         __u32 : 28;
  24         struct subchannel_id sid;
  25 } __attribute__ ((packed));
  26
  27 struct chsc_async_area {
  28         struct chsc_async_header header;
  29         __u8 data[CHSC_SIZE - sizeof(struct chsc_async_header)];
  30 } __attribute__ ((packed));
  31
  32 struct chsc_header {
  33         __u16 length;
  34         __u16 code;
  35 } __attribute__ ((packed));
  36
  37 struct chsc_sync_area {
  38         struct chsc_header header;
  39         __u8 data[CHSC_SIZE - sizeof(struct chsc_header)];
  40 } __attribute__ ((packed));
  41
  42 struct chsc_response_struct {
  43         __u16 length;
  44         __u16 code;
  45         __u32 parms;
  46         __u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
  47 } __attribute__ ((packed));
  48
  49 struct chsc_chp_cd {
  50         struct chp_id chpid;
  51         int m;
  52         int fmt;
  53         struct chsc_response_struct cpcb;
  54 };
  55
  56 struct chsc_cu_cd {
  57         __u16 cun;
  58         __u8 cssid;
  59         int m;
  60         int fmt;
  61         struct chsc_response_struct cucb;
  62 };
  63
  64 struct chsc_sch_cud {
  65         struct subchannel_id schid;
  66         int fmt;
  67         struct chsc_response_struct scub;
  68 };
  69
  70 struct conf_id {
  71         int m;
  72         __u8 cssid;
  73         __u8 ssid;
  74 };
  75
  76 struct chsc_conf_info {
  77         struct conf_id id;
  78         int fmt;
  79         struct chsc_response_struct scid;
  80 };
  81
  82 struct ccl_parm_chpid {
  83         int m;
  84         struct chp_id chp;
  85 };
  86
  87 struct ccl_parm_cssids {
  88         __u8 f_cssid;
  89         __u8 l_cssid;
  90 };
  91
  92 struct chsc_comp_list {
  93         struct {
  94                 enum {
  95                         CCL_CU_ON_CHP = 1,
  96                         CCL_CHP_TYPE_CAP = 2,
  97                         CCL_CSS_IMG = 4,
  98                         CCL_CSS_IMG_CONF_CHAR = 5,
  99                         CCL_IOP_CHP = 6,
 100                 } ctype;
 101                 int fmt;
 102                 struct ccl_parm_chpid chpid;
 103                 struct ccl_parm_cssids cssids;
 104         } req;
 105         struct chsc_response_struct sccl;
 106 };
 107
 108 struct chsc_dcal {
 109         struct {
 110                 enum {
 111                         DCAL_CSS_IID_PN = 4,
 112                 } atype;
 113                 __u32 list_parm[2];
 114                 int fmt;
 115         } req;
 116         struct chsc_response_struct sdcal;
 117 };
 118
 119 struct chsc_cpd_info {
 120         struct chp_id chpid;
 121         int m;
 122         int fmt;
 123         int rfmt;
 124         int c;
 125         struct chsc_response_struct chpdb;
 126 };
 127
 128 #define CHSC_IOCTL_MAGIC 'c'
 129
 130 #define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
 131 #define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
 132                                     struct chsc_chp_cd)
 133 #define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
 134 #define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
 135 #define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
 136 #define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
 137 #define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
 138 #define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
 139 #define CHSC_START_SYNC _IOWR(CHSC_IOCTL_MAGIC, 0x89, struct chsc_sync_area)
 140 #define CHSC_ON_CLOSE_SET _IOWR(CHSC_IOCTL_MAGIC, 0x8a, struct chsc_async_area)
 141 #define CHSC_ON_CLOSE_REMOVE _IO(CHSC_IOCTL_MAGIC, 0x8b)
 142
 143 #endif