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kernel/linux-rt-4.4.41/arch/s390/include/asm/sclp.h 1.95 KB
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  /*
   *    Copyright IBM Corp. 2007
   *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
   */
  
  #ifndef _ASM_S390_SCLP_H
  #define _ASM_S390_SCLP_H
  
  #include <linux/types.h>
  #include <asm/chpid.h>
  #include <asm/cpu.h>
  
  #define SCLP_CHP_INFO_MASK_SIZE		32
  #define SCLP_MAX_CORES			256
  
  struct sclp_chp_info {
  	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
  	u8 standby[SCLP_CHP_INFO_MASK_SIZE];
  	u8 configured[SCLP_CHP_INFO_MASK_SIZE];
  };
  
  #define LOADPARM_LEN 8
  
  struct sclp_ipl_info {
  	int is_valid;
  	int has_dump;
  	char loadparm[LOADPARM_LEN];
  };
  
  struct sclp_core_entry {
  	u8 core_id;
  	u8 reserved0[2];
  	u8 : 3;
  	u8 siif : 1;
  	u8 sigpif : 1;
  	u8 : 3;
  	u8 reserved2[10];
  	u8 type;
  	u8 reserved1;
  } __attribute__((packed));
  
  struct sclp_core_info {
  	unsigned int configured;
  	unsigned int standby;
  	unsigned int combined;
  	struct sclp_core_entry core[SCLP_MAX_CORES];
  };
  
  struct sclp_info {
  	unsigned char has_linemode : 1;
  	unsigned char has_vt220 : 1;
  	unsigned char has_siif : 1;
  	unsigned char has_sigpif : 1;
  	unsigned char has_core_type : 1;
  	unsigned char has_sprp : 1;
  	unsigned int ibc;
  	unsigned int mtid;
  	unsigned int mtid_cp;
  	unsigned int mtid_prev;
  	unsigned long long rzm;
  	unsigned long long rnmax;
  	unsigned long long hamax;
  	unsigned int max_cores;
  	unsigned long hsa_size;
  	unsigned long long facilities;
  };
  extern struct sclp_info sclp;
  
  int sclp_get_core_info(struct sclp_core_info *info);
  int sclp_core_configure(u8 core);
  int sclp_core_deconfigure(u8 core);
  int sclp_sdias_blk_count(void);
  int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  int sclp_chp_configure(struct chp_id chpid);
  int sclp_chp_deconfigure(struct chp_id chpid);
  int sclp_chp_read_info(struct sclp_chp_info *info);
  void sclp_get_ipl_info(struct sclp_ipl_info *info);
  int sclp_pci_configure(u32 fid);
  int sclp_pci_deconfigure(u32 fid);
  int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
  void sclp_early_detect(void);
  int _sclp_print_early(const char *);
  
  #endif /* _ASM_S390_SCLP_H */