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 : 3;
  36        u8 : 3;
  37        u8 siif : 1;
  38        u8 sigpif : 1;
  39        u8 : 3;
  40        u8 reserved2[10];
  41        u8 type;
  42        u8 reserved1;
  43} __attribute__((packed));
  44
  45struct sclp_core_info {
  46        unsigned int configured;
  47        unsigned int standby;
  48        unsigned int combined;
  49        struct sclp_core_entry core[SCLP_MAX_CORES];
  50};
  51
  52struct sclp_info {
  53        unsigned char has_linemode : 1;
  54        unsigned char has_vt220 : 1;
  55        unsigned char has_siif : 1;
  56        unsigned char has_sigpif : 1;
  57        unsigned char has_core_type : 1;
  58        unsigned char has_sprp : 1;
  59        unsigned char has_hvs : 1;
  60        unsigned char has_esca : 1;
  61        unsigned char has_sief2 : 1;
  62        unsigned int ibc;
  63        unsigned int mtid;
  64        unsigned int mtid_cp;
  65        unsigned int mtid_prev;
  66        unsigned long rzm;
  67        unsigned long rnmax;
  68        unsigned long hamax;
  69        unsigned int max_cores;
  70        unsigned long hsa_size;
  71        unsigned long facilities;
  72};
  73extern struct sclp_info sclp;
  74
  75int sclp_get_core_info(struct sclp_core_info *info);
  76int sclp_core_configure(u8 core);
  77int sclp_core_deconfigure(u8 core);
  78int sclp_sdias_blk_count(void);
  79int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  80int sclp_chp_configure(struct chp_id chpid);
  81int sclp_chp_deconfigure(struct chp_id chpid);
  82int sclp_chp_read_info(struct sclp_chp_info *info);
  83void sclp_get_ipl_info(struct sclp_ipl_info *info);
  84int sclp_pci_configure(u32 fid);
  85int sclp_pci_deconfigure(u32 fid);
  86int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
  87int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
  88void sclp_early_detect(void);
  89void _sclp_print_early(const char *);
  90
  91#endif /* _ASM_S390_SCLP_H */
  92