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[2]; 33 u8 : 3; 34 u8 siif : 1; 35 u8 sigpif : 1; 36 u8 : 3; 37 u8 reserved2[10]; 38 u8 type; 39 u8 reserved1; 40 } __attribute__((packed)); 41 42 struct sclp_core_info { 43 unsigned int configured; 44 unsigned int standby; 45 unsigned int combined; 46 struct sclp_core_entry core[SCLP_MAX_CORES]; 47 }; 48 49 struct sclp_info { 50 unsigned char has_linemode : 1; 51 unsigned char has_vt220 : 1; 52 unsigned char has_siif : 1; 53 unsigned char has_sigpif : 1; 54 unsigned char has_core_type : 1; 55 unsigned char has_sprp : 1; 56 unsigned int ibc; 57 unsigned int mtid; 58 unsigned int mtid_cp; 59 unsigned int mtid_prev; 60 unsigned long long rzm; 61 unsigned long long rnmax; 62 unsigned long long hamax; 63 unsigned int max_cores; 64 unsigned long hsa_size; 65 unsigned long long facilities; 66 }; 67 extern struct sclp_info sclp; 68 69 int sclp_get_core_info(struct sclp_core_info *info); 70 int sclp_core_configure(u8 core); 71 int sclp_core_deconfigure(u8 core); 72 int sclp_sdias_blk_count(void); 73 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); 74 int sclp_chp_configure(struct chp_id chpid); 75 int sclp_chp_deconfigure(struct chp_id chpid); 76 int sclp_chp_read_info(struct sclp_chp_info *info); 77 void sclp_get_ipl_info(struct sclp_ipl_info *info); 78 int sclp_pci_configure(u32 fid); 79 int sclp_pci_deconfigure(u32 fid); 80 int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode); 81 void sclp_early_detect(void); 82 long _sclp_print_early(const char *); 83 84 #endif /* _ASM_S390_SCLP_H */ 85