/*
* ioctl interface for /dev/chsc
*
* Copyright IBM Corp. 2008, 2012
* Author(s): Cornelia Huck <[email protected]>
*/

#ifndef _ASM_CHSC_H
#define _ASM_CHSC_H

#include <linux/types.h>
#include <linux/ioctl.h>
#include <asm/chpid.h>
#include <asm/schid.h>

#define CHSC_SIZE 0x1000

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[CHSC_SIZE - sizeof(struct chsc_async_header)];
} __attribute__ ((packed));

struct chsc_header {
__u16 length;
__u16 code;
} __attribute__ ((packed));

struct chsc_sync_area {
struct chsc_header header;
__u8 data[CHSC_SIZE - sizeof(struct chsc_header)];
} __attribute__ ((packed));

struct chsc_response_struct {
__u16 length;
__u16 code;
__u32 parms;
__u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
} __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)
#define CHSC_START_SYNC _IOWR(CHSC_IOCTL_MAGIC, 0x89, struct chsc_sync_area)
#define CHSC_ON_CLOSE_SET _IOWR(CHSC_IOCTL_MAGIC, 0x8a, struct chsc_async_area)
#define CHSC_ON_CLOSE_REMOVE _IO(CHSC_IOCTL_MAGIC, 0x8b)

#endif