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 core_id;
  31         u8 reserved0[2];
  32         u8 : 3;
  33         u8 siif : 1;
  34         u8 sigpif : 1;
  35         u8 : 3;
  36         u8 reserved2[10];
  37         u8 type;
  38         u8 reserved1;
  39 } __attribute__((packed));
  40
  41 struct sclp_cpu_info {
  42         unsigned int configured;
  43         unsigned int standby;
  44         unsigned int combined;
  45         int has_cpu_type;
  46         struct sclp_cpu_entry cpu[MAX_CPU_ADDRESS + 1];
  47 };
  48
  49 int sclp_get_cpu_info(struct sclp_cpu_info *info);
  50 int sclp_cpu_configure(u8 cpu);
  51 int sclp_cpu_deconfigure(u8 cpu);
  52 unsigned long long sclp_get_rnmax(void);
  53 unsigned long long sclp_get_rzm(void);
  54 unsigned int sclp_get_max_cpu(void);
  55 unsigned int sclp_get_mtid(u8 cpu_type);
  56 unsigned int sclp_get_mtid_max(void);
  57 unsigned int sclp_get_mtid_prev(void);
  58 int sclp_sdias_blk_count(void);
  59 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  60 int sclp_chp_configure(struct chp_id chpid);
  61 int sclp_chp_deconfigure(struct chp_id chpid);
  62 int sclp_chp_read_info(struct sclp_chp_info *info);
  63 void sclp_get_ipl_info(struct sclp_ipl_info *info);
  64 bool __init sclp_has_linemode(void);
  65 bool __init sclp_has_vt220(void);
  66 bool sclp_has_sprp(void);
  67 int sclp_pci_configure(u32 fid);
  68 int sclp_pci_deconfigure(u32 fid);
  69 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
  70 unsigned long sclp_get_hsa_size(void);
  71 void sclp_early_detect(void);
  72 int sclp_has_siif(void);
  73 int sclp_has_sigpif(void);
  74 unsigned int sclp_get_ibc(void);
  75
  76 long _sclp_print_early(const char *);
  77
  78 #endif /* _ASM_S390_SCLP_H */