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 char has_kss : 1; 79 unsigned int ibc; 80 unsigned int mtid; 81 unsigned int mtid_cp; 82 unsigned int mtid_prev; 83 unsigned long rzm; 84 unsigned long rnmax; 85 unsigned long hamax; 86 unsigned int max_cores; 87 unsigned long hsa_size; 88 unsigned long facilities; 89 unsigned int hmfai; 90 }; 91 extern struct sclp_info sclp; 92 93 struct zpci_report_error_header { 94 u8 version; /* Interface version byte */ 95 u8 action; /* Action qualifier byte 96 * 1: Deconfigure and repair action requested 97 * (OpenCrypto Problem Call Home) 98 * 2: Informational Report 99 * (OpenCrypto Successful Diagnostics Execution) 100 */ 101 u16 length; /* Length of Subsequent Data (up to 4K – SCLP header */ 102 u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */ 103 } __packed; 104 105 int sclp_early_get_core_info(struct sclp_core_info *info); 106 void sclp_early_get_ipl_info(struct sclp_ipl_info *info); 107 void sclp_early_detect(void); 108 void sclp_early_printk(const char *s); 109 void __sclp_early_printk(const char *s, unsigned int len); 110 111 int _sclp_get_core_info(struct sclp_core_info *info); 112 int sclp_core_configure(u8 core); 113 int sclp_core_deconfigure(u8 core); 114 int sclp_sdias_blk_count(void); 115 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); 116 int sclp_chp_configure(struct chp_id chpid); 117 int sclp_chp_deconfigure(struct chp_id chpid); 118 int sclp_chp_read_info(struct sclp_chp_info *info); 119 int sclp_pci_configure(u32 fid); 120 int sclp_pci_deconfigure(u32 fid); 121 int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid); 122 int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count); 123 int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count); 124 void sclp_ocf_cpc_name_copy(char *dst); 125 126 static inline int sclp_get_core_info(struct sclp_core_info *info, int early) 127 { 128 if (early) 129 return sclp_early_get_core_info(info); 130 return _sclp_get_core_info(info); 131 } 132 133 #endif /* _ASM_S390_SCLP_H */ 134