uapi/asm/chsc.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /*
0003  * ioctl interface for /dev/chsc
0004  *
0005  * Copyright IBM Corp. 2008, 2012
0006  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
0007  */
0008
0009 #ifndef _ASM_CHSC_H
0010 #define _ASM_CHSC_H
0011
0012 #include <linux/types.h>
0013 #include <linux/ioctl.h>
0014 #include <asm/chpid.h>
0015 #include <asm/schid.h>
0016
0017 #define CHSC_SIZE 0x1000
0018
0019 struct chsc_async_header {
0020     __u16 length;
0021     __u16 code;
0022     __u32 cmd_dependend;
0023     __u32 key : 4;
0024     __u32 : 28;
0025     struct subchannel_id sid;
0026 };
0027
0028 struct chsc_async_area {
0029     struct chsc_async_header header;
0030     __u8 data[CHSC_SIZE - sizeof(struct chsc_async_header)];
0031 };
0032
0033 struct chsc_header {
0034     __u16 length;
0035     __u16 code;
0036 };
0037
0038 struct chsc_sync_area {
0039     struct chsc_header header;
0040     __u8 data[CHSC_SIZE - sizeof(struct chsc_header)];
0041 };
0042
0043 struct chsc_response_struct {
0044     __u16 length;
0045     __u16 code;
0046     __u32 parms;
0047     __u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
0048 };
0049
0050 struct chsc_chp_cd {
0051     struct chp_id chpid;
0052     int m;
0053     int fmt;
0054     struct chsc_response_struct cpcb;
0055 };
0056
0057 struct chsc_cu_cd {
0058     __u16 cun;
0059     __u8 cssid;
0060     int m;
0061     int fmt;
0062     struct chsc_response_struct cucb;
0063 };
0064
0065 struct chsc_sch_cud {
0066     struct subchannel_id schid;
0067     int fmt;
0068     struct chsc_response_struct scub;
0069 };
0070
0071 struct conf_id {
0072     int m;
0073     __u8 cssid;
0074     __u8 ssid;
0075 };
0076
0077 struct chsc_conf_info {
0078     struct conf_id id;
0079     int fmt;
0080     struct chsc_response_struct scid;
0081 };
0082
0083 struct ccl_parm_chpid {
0084     int m;
0085     struct chp_id chp;
0086 };
0087
0088 struct ccl_parm_cssids {
0089     __u8 f_cssid;
0090     __u8 l_cssid;
0091 };
0092
0093 struct chsc_comp_list {
0094     struct {
0095         enum {
0096             CCL_CU_ON_CHP = 1,
0097             CCL_CHP_TYPE_CAP = 2,
0098             CCL_CSS_IMG = 4,
0099             CCL_CSS_IMG_CONF_CHAR = 5,
0100             CCL_IOP_CHP = 6,
0101         } ctype;
0102         int fmt;
0103         struct ccl_parm_chpid chpid;
0104         struct ccl_parm_cssids cssids;
0105     } req;
0106     struct chsc_response_struct sccl;
0107 };
0108
0109 struct chsc_dcal {
0110     struct {
0111         enum {
0112             DCAL_CSS_IID_PN = 4,
0113         } atype;
0114         __u32 list_parm[2];
0115         int fmt;
0116     } req;
0117     struct chsc_response_struct sdcal;
0118 };
0119
0120 struct chsc_cpd_info {
0121     struct chp_id chpid;
0122     int m;
0123     int fmt;
0124     int rfmt;
0125     int c;
0126     struct chsc_response_struct chpdb;
0127 };
0128
0129 #define CHSC_IOCTL_MAGIC 'c'
0130
0131 #define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
0132 #define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
0133                     struct chsc_chp_cd)
0134 #define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
0135 #define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
0136 #define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
0137 #define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
0138 #define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
0139 #define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
0140 #define CHSC_START_SYNC _IOWR(CHSC_IOCTL_MAGIC, 0x89, struct chsc_sync_area)
0141 #define CHSC_ON_CLOSE_SET _IOWR(CHSC_IOCTL_MAGIC, 0x8a, struct chsc_async_area)
0142 #define CHSC_ON_CLOSE_REMOVE _IO(CHSC_IOCTL_MAGIC, 0x8b)
0143
0144 #endif