1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_S390_CLP_H
 3#define _ASM_S390_CLP_H
 4
 5/* CLP common request & response block size */
 6#define CLP_BLK_SIZE			PAGE_SIZE
 7
 8/* Call Logical Processor - Command Code */
 9#define CLP_SLPC		0x0001
10
11#define CLP_LPS_BASE	0
12#define CLP_LPS_PCI	2
13
14struct clp_req_hdr {
15	u16 len;
16	u16 cmd;
17	u32 fmt		: 4;
18	u32 reserved1	: 28;
19	u64 reserved2;
20} __packed;
21
22struct clp_rsp_hdr {
23	u16 len;
24	u16 rsp;
25	u32 fmt		: 4;
26	u32 reserved1	: 28;
27	u64 reserved2;
28} __packed;
29
30/* CLP Response Codes */
31#define CLP_RC_OK			0x0010	/* Command request successfully */
32#define CLP_RC_CMD			0x0020	/* Command code not recognized */
33#define CLP_RC_PERM			0x0030	/* Command not authorized */
34#define CLP_RC_FMT			0x0040	/* Invalid command request format */
35#define CLP_RC_LEN			0x0050	/* Invalid command request length */
36#define CLP_RC_8K			0x0060	/* Command requires 8K LPCB */
37#define CLP_RC_RESNOT0			0x0070	/* Reserved field not zero */
38#define CLP_RC_NODATA			0x0080	/* No data available */
39#define CLP_RC_FC_UNKNOWN		0x0100	/* Function code not recognized */
40
41/* Store logical-processor characteristics request */
42struct clp_req_slpc {
43	struct clp_req_hdr hdr;
44} __packed;
45
46struct clp_rsp_slpc {
47	struct clp_rsp_hdr hdr;
48	u32 reserved2[4];
49	u32 lpif[8];
50	u32 reserved3[8];
51	u32 lpic[8];
52} __packed;
53
54struct clp_req_rsp_slpc {
55	struct clp_req_slpc request;
56	struct clp_rsp_slpc response;
57} __packed;
58
59#endif