LXR linux/arch/s390/include/asm/sclp.h

   1/*
   2 *    Copyright IBM Corp. 2007
   3 *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
   4 */
   5
   6#ifndef _ASM_S390_SCLP_H
   7#define _ASM_S390_SCLP_H
   8
   9#include <linux/types.h>
  10#include <asm/chpid.h>
  11#include <asm/cpu.h>
  12
  13#define SCLP_CHP_INFO_MASK_SIZE         32
  14#define SCLP_MAX_CORES                  256
  15
  16struct sclp_chp_info {
  17        u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
  18        u8 standby[SCLP_CHP_INFO_MASK_SIZE];
  19        u8 configured[SCLP_CHP_INFO_MASK_SIZE];
  20};
  21
  22#define LOADPARM_LEN 8
  23
  24struct sclp_ipl_info {
  25        int is_valid;
  26        int has_dump;
  27        char loadparm[LOADPARM_LEN];
  28};
  29
  30struct sclp_core_entry {
  31        u8 core_id;
  32        u8 reserved0;
  33        u8 : 4;
  34        u8 sief2 : 1;
  35        u8 skey : 1;
  36        u8 : 2;
  37        u8 : 2;
  38        u8 gpere : 1;
  39        u8 siif : 1;
  40        u8 sigpif : 1;
  41        u8 : 3;
  42        u8 reserved2[3];
  43        u8 : 2;
  44        u8 ib : 1;
  45        u8 cei : 1;
  46        u8 : 4;
  47        u8 reserved3[6];
  48        u8 type;
  49        u8 reserved1;
  50} __attribute__((packed));
  51
  52struct sclp_core_info {
  53        unsigned int configured;
  54        unsigned int standby;
  55        unsigned int combined;
  56        struct sclp_core_entry core[SCLP_MAX_CORES];
  57};
  58
  59struct sclp_info {
  60        unsigned char has_linemode : 1;
  61        unsigned char has_vt220 : 1;
  62        unsigned char has_siif : 1;
  63        unsigned char has_sigpif : 1;
  64        unsigned char has_core_type : 1;
  65        unsigned char has_sprp : 1;
  66        unsigned char has_hvs : 1;
  67        unsigned char has_esca : 1;
  68        unsigned char has_sief2 : 1;
  69        unsigned char has_64bscao : 1;
  70        unsigned char has_gpere : 1;
  71        unsigned char has_cmma : 1;
  72        unsigned char has_gsls : 1;
  73        unsigned char has_ib : 1;
  74        unsigned char has_cei : 1;
  75        unsigned char has_pfmfi : 1;
  76        unsigned char has_ibs : 1;
  77        unsigned char has_skey : 1;
  78        unsigned int ibc;
  79        unsigned int mtid;
  80        unsigned int mtid_cp;
  81        unsigned int mtid_prev;
  82        unsigned long rzm;
  83        unsigned long rnmax;
  84        unsigned long hamax;
  85        unsigned int max_cores;
  86        unsigned long hsa_size;
  87        unsigned long facilities;
  88        unsigned int hmfai;
  89};
  90extern struct sclp_info sclp;
  91
  92struct zpci_report_error_header {
  93        u8 version;     /* Interface version byte */
  94        u8 action;      /* Action qualifier byte
  95                         * 1: Deconfigure and repair action requested
  96                         *      (OpenCrypto Problem Call Home)
  97                         * 2: Informational Report
  98                         *      (OpenCrypto Successful Diagnostics Execution)
  99                         */
 100        u16 length;     /* Length of Subsequent Data (up to 4K – SCLP header */
 101        u8 data[0];     /* Subsequent Data passed verbatim to SCLP ET 24 */
 102} __packed;
 103
 104int sclp_get_core_info(struct sclp_core_info *info);
 105int sclp_core_configure(u8 core);
 106int sclp_core_deconfigure(u8 core);
 107int sclp_sdias_blk_count(void);
 108int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
 109int sclp_chp_configure(struct chp_id chpid);
 110int sclp_chp_deconfigure(struct chp_id chpid);
 111int sclp_chp_read_info(struct sclp_chp_info *info);
 112void sclp_get_ipl_info(struct sclp_ipl_info *info);
 113int sclp_pci_configure(u32 fid);
 114int sclp_pci_deconfigure(u32 fid);
 115int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
 116int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
 117int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
 118void sclp_early_detect(void);
 119void _sclp_print_early(const char *);
 120void sclp_ocf_cpc_name_copy(char *dst);
 121
 122#endif /* _ASM_S390_SCLP_H */
 123