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chsc.h

/*
 * ioctl interface for /dev/chsc
 *
 * Copyright 2008 IBM Corp.
 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
 */

#ifndef _ASM_CHSC_H
#define _ASM_CHSC_H

#include <asm/chpid.h>
#include <asm/schid.h>

struct chsc_async_header {
      __u16 length;
      __u16 code;
      __u32 cmd_dependend;
      __u32 key : 4;
      __u32 : 28;
      struct subchannel_id sid;
} __attribute__ ((packed));

struct chsc_async_area {
      struct chsc_async_header header;
      __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
} __attribute__ ((packed));


struct chsc_response_struct {
      __u16 length;
      __u16 code;
      __u32 parms;
      __u8 data[PAGE_SIZE - 8];
} __attribute__ ((packed));

struct chsc_chp_cd {
      struct chp_id chpid;
      int m;
      int fmt;
      struct chsc_response_struct cpcb;
};

struct chsc_cu_cd {
      __u16 cun;
      __u8 cssid;
      int m;
      int fmt;
      struct chsc_response_struct cucb;
};

struct chsc_sch_cud {
      struct subchannel_id schid;
      int fmt;
      struct chsc_response_struct scub;
};

struct conf_id {
      int m;
      __u8 cssid;
      __u8 ssid;
};

struct chsc_conf_info {
      struct conf_id id;
      int fmt;
      struct chsc_response_struct scid;
};

struct ccl_parm_chpid {
      int m;
      struct chp_id chp;
};

struct ccl_parm_cssids {
      __u8 f_cssid;
      __u8 l_cssid;
};

struct chsc_comp_list {
      struct {
            enum {
                  CCL_CU_ON_CHP = 1,
                  CCL_CHP_TYPE_CAP = 2,
                  CCL_CSS_IMG = 4,
                  CCL_CSS_IMG_CONF_CHAR = 5,
                  CCL_IOP_CHP = 6,
            } ctype;
            int fmt;
            struct ccl_parm_chpid chpid;
            struct ccl_parm_cssids cssids;
      } req;
      struct chsc_response_struct sccl;
};

struct chsc_dcal {
      struct {
            enum {
                  DCAL_CSS_IID_PN = 4,
            } atype;
            __u32 list_parm[2];
            int fmt;
      } req;
      struct chsc_response_struct sdcal;
};

struct chsc_cpd_info {
      struct chp_id chpid;
      int m;
      int fmt;
      int rfmt;
      int c;
      struct chsc_response_struct chpdb;
};

#define CHSC_IOCTL_MAGIC 'c'

#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
                            struct chsc_chp_cd)
#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)

#endif

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