diff options
Diffstat (limited to 'arch/s390/include/asm/clp.h')
| -rw-r--r-- | arch/s390/include/asm/clp.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/s390/include/asm/clp.h b/arch/s390/include/asm/clp.h index a0e71a501f7c..10919eeb7533 100644 --- a/arch/s390/include/asm/clp.h +++ b/arch/s390/include/asm/clp.h @@ -1,17 +1,30 @@ +/* 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 */ @@ -25,4 +38,22 @@ struct clp_rsp_hdr { #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 |