/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_CLP_H
#define _ASM_S390_CLP_H

/* CLP common request & response block size */
#define CLP_BLK_SIZE                    PAGE_SIZE

/* Call Logical Processor - Command Code */
#define CLP_SLPC                0x0001

#define CLP_LPS_BASE    0
#define CLP_LPS_PCI     2

struct clp_req_hdr {
        u16 len;
        u16 cmd;
        u32 fmt         : 4;
        u32 reserved1   : 28;
        u64 reserved2;
} __packed;

struct clp_rsp_hdr {
        u16 len;
        u16 rsp;
        u32 fmt         : 4;
        u32 reserved1   : 28;
        u64 reserved2;
} __packed;

/* CLP Response Codes */
#define CLP_RC_OK                       0x0010  /* Command request successfully */
#define CLP_RC_CMD                      0x0020  /* Command code not recognized */
#define CLP_RC_PERM                     0x0030  /* Command not authorized */
#define CLP_RC_FMT                      0x0040  /* Invalid command request format */
#define CLP_RC_LEN                      0x0050  /* Invalid command request length */
#define CLP_RC_8K                       0x0060  /* Command requires 8K LPCB */
#define CLP_RC_RESNOT0                  0x0070  /* Reserved field not zero */
#define CLP_RC_NODATA                   0x0080  /* No data available */
#define CLP_RC_FC_UNKNOWN               0x0100  /* Function code not recognized */

/* Store logical-processor characteristics request */
struct clp_req_slpc {
        struct clp_req_hdr hdr;
} __packed;

struct clp_rsp_slpc {
        struct clp_rsp_hdr hdr;
        u32 reserved2[4];
        u32 lpif[8];
        u32 reserved3[8];
        u32 lpic[8];
} __packed;

struct clp_req_rsp_slpc {
        struct clp_req_slpc request;
        struct clp_rsp_slpc response;
} __packed;

#endif