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 #define SCLP_MAX_CORES                  256
  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_core_entry {
  31         u8 core_id;
  32         u8 reserved0;
  33         u8 : 4;
  34         u8 sief2 : 1;
  35         u8 : 3;
  36         u8 : 3;
  37         u8 siif : 1;
  38         u8 sigpif : 1;
  39         u8 : 3;
  40         u8 reserved2[10];
  41         u8 type;
  42         u8 reserved1;
  43 } __attribute__((packed));
  44
  45 struct sclp_core_info {
  46         unsigned int configured;
  47         unsigned int standby;
  48         unsigned int combined;
  49         struct sclp_core_entry core[SCLP_MAX_CORES];
  50 };
  51
  52 struct sclp_info {
  53         unsigned char has_linemode : 1;
  54         unsigned char has_vt220 : 1;
  55         unsigned char has_siif : 1;
  56         unsigned char has_sigpif : 1;
  57         unsigned char has_core_type : 1;
  58         unsigned char has_sprp : 1;
  59         unsigned char has_hvs : 1;
  60         unsigned char has_esca : 1;
  61         unsigned char has_sief2 : 1;
  62         unsigned int ibc;
  63         unsigned int mtid;
  64         unsigned int mtid_cp;
  65         unsigned int mtid_prev;
  66         unsigned long rzm;
  67         unsigned long rnmax;
  68         unsigned long hamax;
  69         unsigned int max_cores;
  70         unsigned long hsa_size;
  71         unsigned long facilities;
  72 };
  73 extern struct sclp_info sclp;
  74
  75 int sclp_get_core_info(struct sclp_core_info *info);
  76 int sclp_core_configure(u8 core);
  77 int sclp_core_deconfigure(u8 core);
  78 int sclp_sdias_blk_count(void);
  79 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
  80 int sclp_chp_configure(struct chp_id chpid);
  81 int sclp_chp_deconfigure(struct chp_id chpid);
  82 int sclp_chp_read_info(struct sclp_chp_info *info);
  83 void sclp_get_ipl_info(struct sclp_ipl_info *info);
  84 int sclp_pci_configure(u32 fid);
  85 int sclp_pci_deconfigure(u32 fid);
  86 int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
  87 int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
  88 void sclp_early_detect(void);
  89 void _sclp_print_early(const char *);
  90
  91 #endif /* _ASM_S390_SCLP_H */