arch/s390/include/asm/clp.h

   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 #define CLP_LPS_BASE    0
   9 #define CLP_LPS_PCI     2
  10
  11 struct clp_req_hdr {
  12         u16 len;
  13         u16 cmd;
  14         u32 fmt         : 4;
  15         u32 reserved1   : 28;
  16         u64 reserved2;
  17 } __packed;
  18
  19 struct clp_rsp_hdr {
  20         u16 len;
  21         u16 rsp;
  22         u32 fmt         : 4;
  23         u32 reserved1   : 28;
  24         u64 reserved2;
  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
  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
  56 #endif