projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| a755a45d JG |
2 | #ifndef _ASM_S390_CLP_H |
| 3 | #define _ASM_S390_CLP_H | |
| 4 | ||
| 5 | /* CLP common request & response block size */ | |
| add09d61 | 6 | #define CLP_BLK_SIZE PAGE_SIZE |
| a755a45d | 7 | |
| 988b86e6 MS |
8 | #define CLP_LPS_BASE 0 |
| 9 | #define CLP_LPS_PCI 2 | |
| 10 | ||
| a755a45d JG |
11 | struct clp_req_hdr { |
| 12 | u16 len; | |
| 13 | u16 cmd; | |
| 988b86e6 MS |
14 | u32 fmt : 4; |
| 15 | u32 reserved1 : 28; | |
| 16 | u64 reserved2; | |
| a755a45d JG |
17 | } __packed; |
| 18 | ||
| 19 | struct clp_rsp_hdr { | |
| 20 | u16 len; | |
| 21 | u16 rsp; | |
| 988b86e6 MS |
22 | u32 fmt : 4; |
| 23 | u32 reserved1 : 28; | |
| 24 | u64 reserved2; | |
| a755a45d JG |
25 | } __packed; |
| 26 | ||
| 27 | /* CLP Response Codes */ | |
| 28 | #define CLP_RC_OK 0x0010 /* Command request successfully */ | |
| 29 | #define CLP_RC_CMD 0x0020 /* Command code not recognized */ | |
| 30 | #define CLP_RC_PERM 0x0030 /* Command not authorized */ | |
| 31 | #define CLP_RC_FMT 0x0040 /* Invalid command request format */ | |
| 32 | #define CLP_RC_LEN 0x0050 /* Invalid command request length */ | |
| 33 | #define CLP_RC_8K 0x0060 /* Command requires 8K LPCB */ | |
| 34 | #define CLP_RC_RESNOT0 0x0070 /* Reserved field not zero */ | |
| 35 | #define CLP_RC_NODATA 0x0080 /* No data available */ | |
| 36 | #define CLP_RC_FC_UNKNOWN 0x0100 /* Function code not recognized */ | |
| 37 | ||
| 988b86e6 MS |
38 | /* Store logical-processor characteristics request */ |
| 39 | struct clp_req_slpc { | |
| 40 | struct clp_req_hdr hdr; | |
| 41 | } __packed; | |
| 42 | ||
| 43 | struct clp_rsp_slpc { | |
| 44 | struct clp_rsp_hdr hdr; | |
| 45 | u32 reserved2[4]; | |
| 46 | u32 lpif[8]; | |
| 47 | u32 reserved3[8]; | |
| 48 | u32 lpic[8]; | |
| 49 | } __packed; | |
| 50 | ||
| 51 | struct clp_req_rsp_slpc { | |
| 52 | struct clp_req_slpc request; | |
| 53 | struct clp_rsp_slpc response; | |
| 54 | } __packed; | |
| 55 | ||
| a755a45d | 56 | #endif |