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
14 struct clp_req_hdr {
15 u16 len;
16 u16 cmd;
17 u32 fmt : 4;
18 u32 reserved1 : 28;
19 u64 reserved2;
20 } __packed;
21
22 struct 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 */
42 struct clp_req_slpc {
43 struct clp_req_hdr hdr;
44 } __packed;
45
46 struct 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
54 struct clp_req_rsp_slpc {
55 struct clp_req_slpc request;
56 struct clp_rsp_slpc response;
57 } __packed;
58
59 #endif
60
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