LXR linux/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
  11struct clp_req_hdr {
  12        u16 len;
  13        u16 cmd;
  14        u32 fmt         : 4;
  15        u32 reserved1   : 28;
  16        u64 reserved2;
  17} __packed;
  18
  19struct 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 */
  39struct clp_req_slpc {
  40        struct clp_req_hdr hdr;
  41} __packed;
  42
  43struct 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
  51struct clp_req_rsp_slpc {
  52        struct clp_req_slpc request;
  53        struct clp_rsp_slpc response;
  54} __packed;
  55
  56#endif
  57