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
  12 #define SCLP_CHP_INFO_MASK_SIZE         32
  13
  14 struct sclp_chp_info {
  15         u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
  16         u8 standby[SCLP_CHP_INFO_MASK_SIZE];
  17         u8 configured[SCLP_CHP_INFO_MASK_SIZE];
  18 };
  19
  20 #define LOADPARM_LEN 8
  21
  22 struct sclp_ipl_info {
  23         int is_valid;
  24         int has_dump;
  25         char loadparm[LOADPARM_LEN];
  26 };
  27
  28 struct sclp_cpu_entry {
  29         u8 address;
  30         u8 reserved0[13];
  31         u8 type;
  32         u8 reserved1;
  33 } __attribute__((packed));
  34
  35 struct sclp_cpu_info {
  36         unsigned int configured;
  37         unsigned int standby;
  38         unsigned int combined;
  39         int has_cpu_type;
  40         struct sclp_cpu_entry cpu[255];
  41 };
  42
  43 int sclp_get_cpu_info(struct sclp_cpu_info *info);
  44 int sclp_cpu_configure(u8 cpu);
  45 int sclp_cpu_deconfigure(u8 cpu);
  46 void sclp_facilities_detect(void);
  47 unsigned long long sclp_get_rnmax(void);
  48 unsigned long long sclp_get_rzm(void);
  49 int sclp_sdias_blk_count(void);
  50 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  51 int sclp_chp_configure(struct chp_id chpid);
  52 int sclp_chp_deconfigure(struct chp_id chpid);
  53 int sclp_chp_read_info(struct sclp_chp_info *info);
  54 void sclp_get_ipl_info(struct sclp_ipl_info *info);
  55 bool sclp_has_linemode(void);
  56 bool sclp_has_vt220(void);
  57 int sclp_pci_configure(u32 fid);
  58 int sclp_pci_deconfigure(u32 fid);
  59
  60 #endif /* _ASM_S390_SCLP_H */