arch/s390/include/asm/sclp.h

   1 /*
   2  *  include/asm-s390/sclp.h
   3  *
   4  *    Copyright IBM Corp. 2007
   5  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
   6  */
   7
   8 #ifndef _ASM_S390_SCLP_H
   9 #define _ASM_S390_SCLP_H
  10
  11 #include <linux/types.h>
  12 #include <asm/chpid.h>
  13
  14 #define SCLP_CHP_INFO_MASK_SIZE         32
  15
  16 struct 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
  24 struct sclp_ipl_info {
  25         int is_valid;
  26         int has_dump;
  27         char loadparm[LOADPARM_LEN];
  28 };
  29
  30 struct sclp_cpu_entry {
  31         u8 address;
  32         u8 reserved0[13];
  33         u8 type;
  34         u8 reserved1;
  35 } __attribute__((packed));
  36
  37 struct sclp_cpu_info {
  38         unsigned int configured;
  39         unsigned int standby;
  40         unsigned int combined;
  41         int has_cpu_type;
  42         struct sclp_cpu_entry cpu[255];
  43 };
  44
  45 int sclp_get_cpu_info(struct sclp_cpu_info *info);
  46 int sclp_cpu_configure(u8 cpu);
  47 int sclp_cpu_deconfigure(u8 cpu);
  48 void sclp_facilities_detect(void);
  49 unsigned long long sclp_get_rnmax(void);
  50 unsigned long long sclp_get_rzm(void);
  51 int sclp_sdias_blk_count(void);
  52 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  53 int sclp_chp_configure(struct chp_id chpid);
  54 int sclp_chp_deconfigure(struct chp_id chpid);
  55 int sclp_chp_read_info(struct sclp_chp_info *info);
  56 void sclp_get_ipl_info(struct sclp_ipl_info *info);
  57
  58 #endif /* _ASM_S390_SCLP_H */