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 skey : 1;
  36         u8 : 2;
  37         u8 : 2;
  38         u8 gpere : 1;
  39         u8 siif : 1;
  40         u8 sigpif : 1;
  41         u8 : 3;
  42         u8 reserved2[3];
  43         u8 : 2;
  44         u8 ib : 1;
  45         u8 cei : 1;
  46         u8 : 4;
  47         u8 reserved3[6];
  48         u8 type;
  49         u8 reserved1;
  50 } __attribute__((packed));
  51
  52 struct sclp_core_info {
  53         unsigned int configured;
  54         unsigned int standby;
  55         unsigned int combined;
  56         struct sclp_core_entry core[SCLP_MAX_CORES];
  57 };
  58
  59 struct sclp_info {
  60         unsigned char has_linemode : 1;
  61         unsigned char has_vt220 : 1;
  62         unsigned char has_siif : 1;
  63         unsigned char has_sigpif : 1;
  64         unsigned char has_core_type : 1;
  65         unsigned char has_sprp : 1;
  66         unsigned char has_hvs : 1;
  67         unsigned char has_esca : 1;
  68         unsigned char has_sief2 : 1;
  69         unsigned char has_64bscao : 1;
  70         unsigned char has_gpere : 1;
  71         unsigned char has_cmma : 1;
  72         unsigned char has_gsls : 1;
  73         unsigned char has_ib : 1;
  74         unsigned char has_cei : 1;
  75         unsigned char has_pfmfi : 1;
  76         unsigned char has_ibs : 1;
  77         unsigned char has_skey : 1;
  78         unsigned int ibc;
  79         unsigned int mtid;
  80         unsigned int mtid_cp;
  81         unsigned int mtid_prev;
  82         unsigned long rzm;
  83         unsigned long rnmax;
  84         unsigned long hamax;
  85         unsigned int max_cores;
  86         unsigned long hsa_size;
  87         unsigned long facilities;
  88         unsigned int hmfai;
  89 };
  90 extern struct sclp_info sclp;
  91
  92 struct zpci_report_error_header {
  93         u8 version;     /* Interface version byte */
  94         u8 action;      /* Action qualifier byte
  95                          * 1: Deconfigure and repair action requested
  96                          *      (OpenCrypto Problem Call Home)
  97                          * 2: Informational Report
  98                          *      (OpenCrypto Successful Diagnostics Execution)
  99                          */
 100         u16 length;     /* Length of Subsequent Data (up to 4K – SCLP header */
 101         u8 data[0];     /* Subsequent Data passed verbatim to SCLP ET 24 */
 102 } __packed;
 103
 104 int sclp_get_core_info(struct sclp_core_info *info);
 105 int sclp_core_configure(u8 core);
 106 int sclp_core_deconfigure(u8 core);
 107 int sclp_sdias_blk_count(void);
 108 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
 109 int sclp_chp_configure(struct chp_id chpid);
 110 int sclp_chp_deconfigure(struct chp_id chpid);
 111 int sclp_chp_read_info(struct sclp_chp_info *info);
 112 void sclp_get_ipl_info(struct sclp_ipl_info *info);
 113 int sclp_pci_configure(u32 fid);
 114 int sclp_pci_deconfigure(u32 fid);
 115 int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
 116 int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
 117 int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
 118 void sclp_early_detect(void);
 119 void _sclp_print_early(const char *);
 120 void sclp_ocf_cpc_name_copy(char *dst);
 121
 122 #endif /* _ASM_S390_SCLP_H */