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
  15 struct sclp_chp_info {
  16         u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
  17         u8 standby[SCLP_CHP_INFO_MASK_SIZE];
  18         u8 configured[SCLP_CHP_INFO_MASK_SIZE];
  19 };
  20
  21 #define LOADPARM_LEN 8
  22
  23 struct sclp_ipl_info {
  24         int is_valid;
  25         int has_dump;
  26         char loadparm[LOADPARM_LEN];
  27 };
  28
  29 struct sclp_cpu_entry {
  30         u8 address;
  31         u8 reserved0[13];
  32         u8 type;
  33         u8 reserved1;
  34 } __attribute__((packed));
  35
  36 struct sclp_cpu_info {
  37         unsigned int configured;
  38         unsigned int standby;
  39         unsigned int combined;
  40         int has_cpu_type;
  41         struct sclp_cpu_entry cpu[MAX_CPU_ADDRESS + 1];
  42 };
  43
  44 int sclp_get_cpu_info(struct sclp_cpu_info *info);
  45 int sclp_cpu_configure(u8 cpu);
  46 int sclp_cpu_deconfigure(u8 cpu);
  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 __init sclp_has_linemode(void);
  56 bool __init sclp_has_vt220(void);
  57 bool sclp_has_sprp(void);
  58 int sclp_pci_configure(u32 fid);
  59 int sclp_pci_deconfigure(u32 fid);
  60 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
  61 unsigned long sclp_get_hsa_size(void);
  62 void sclp_early_detect(void);
  63
  64 #endif /* _ASM_S390_SCLP_H */