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 char has_kss : 1;
  79        unsigned int ibc;
  80        unsigned int mtid;
  81        unsigned int mtid_cp;
  82        unsigned int mtid_prev;
  83        unsigned long rzm;
  84        unsigned long rnmax;
  85        unsigned long hamax;
  86        unsigned int max_cores;
  87        unsigned long hsa_size;
  88        unsigned long facilities;
  89        unsigned int hmfai;
  90};
  91extern struct sclp_info sclp;
  92
  93struct zpci_report_error_header {
  94        u8 version;     /* Interface version byte */
  95        u8 action;      /* Action qualifier byte
  96                         * 1: Deconfigure and repair action requested
  97                         *      (OpenCrypto Problem Call Home)
  98                         * 2: Informational Report
  99                         *      (OpenCrypto Successful Diagnostics Execution)
 100                         */
 101        u16 length;     /* Length of Subsequent Data (up to 4K – SCLP header */
 102        u8 data[0];     /* Subsequent Data passed verbatim to SCLP ET 24 */
 103} __packed;
 104
 105int sclp_early_get_core_info(struct sclp_core_info *info);
 106void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
 107void sclp_early_detect(void);
 108void sclp_early_printk(const char *s);
 109void __sclp_early_printk(const char *s, unsigned int len);
 110
 111int _sclp_get_core_info(struct sclp_core_info *info);
 112int sclp_core_configure(u8 core);
 113int sclp_core_deconfigure(u8 core);
 114int sclp_sdias_blk_count(void);
 115int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
 116int sclp_chp_configure(struct chp_id chpid);
 117int sclp_chp_deconfigure(struct chp_id chpid);
 118int sclp_chp_read_info(struct sclp_chp_info *info);
 119int sclp_pci_configure(u32 fid);
 120int sclp_pci_deconfigure(u32 fid);
 121int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
 122int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
 123int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
 124void sclp_ocf_cpc_name_copy(char *dst);
 125
 126static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
 127{
 128        if (early)
 129                return sclp_early_get_core_info(info);
 130        return _sclp_get_core_info(info);
 131}
 132
 133#endif /* _ASM_S390_SCLP_H */
 134