| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright IBM Corp. 2007 |
| 4 | * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _ASM_S390_SCLP_H |
| 8 | #define _ASM_S390_SCLP_H |
| 9 | |
| 10 | #include <linux/types.h> |
| 11 | #include <asm/chpid.h> |
| 12 | #include <asm/cpu.h> |
| 13 | |
| 14 | #define SCLP_CHP_INFO_MASK_SIZE 32 |
| 15 | #define SCLP_MAX_CORES 256 |
| 16 | |
| 17 | struct sclp_chp_info { |
| 18 | u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; |
| 19 | u8 standby[SCLP_CHP_INFO_MASK_SIZE]; |
| 20 | u8 configured[SCLP_CHP_INFO_MASK_SIZE]; |
| 21 | }; |
| 22 | |
| 23 | #define LOADPARM_LEN 8 |
| 24 | |
| 25 | struct sclp_ipl_info { |
| 26 | int is_valid; |
| 27 | int has_dump; |
| 28 | char loadparm[LOADPARM_LEN]; |
| 29 | }; |
| 30 | |
| 31 | struct sclp_core_entry { |
| 32 | u8 core_id; |
| 33 | u8 reserved0; |
| 34 | u8 : 4; |
| 35 | u8 sief2 : 1; |
| 36 | u8 skey : 1; |
| 37 | u8 : 2; |
| 38 | u8 : 2; |
| 39 | u8 gpere : 1; |
| 40 | u8 siif : 1; |
| 41 | u8 sigpif : 1; |
| 42 | u8 : 3; |
| 43 | u8 reserved2[3]; |
| 44 | u8 : 2; |
| 45 | u8 ib : 1; |
| 46 | u8 cei : 1; |
| 47 | u8 : 4; |
| 48 | u8 reserved3[6]; |
| 49 | u8 type; |
| 50 | u8 reserved1; |
| 51 | } __attribute__((packed)); |
| 52 | |
| 53 | struct sclp_core_info { |
| 54 | unsigned int configured; |
| 55 | unsigned int standby; |
| 56 | unsigned int combined; |
| 57 | struct sclp_core_entry core[SCLP_MAX_CORES]; |
| 58 | }; |
| 59 | |
| 60 | struct sclp_info { |
| 61 | unsigned char has_linemode : 1; |
| 62 | unsigned char has_vt220 : 1; |
| 63 | unsigned char has_siif : 1; |
| 64 | unsigned char has_sigpif : 1; |
| 65 | unsigned char has_core_type : 1; |
| 66 | unsigned char has_sprp : 1; |
| 67 | unsigned char has_hvs : 1; |
| 68 | unsigned char has_esca : 1; |
| 69 | unsigned char has_sief2 : 1; |
| 70 | unsigned char has_64bscao : 1; |
| 71 | unsigned char has_gpere : 1; |
| 72 | unsigned char has_cmma : 1; |
| 73 | unsigned char has_gsls : 1; |
| 74 | unsigned char has_ib : 1; |
| 75 | unsigned char has_cei : 1; |
| 76 | unsigned char has_pfmfi : 1; |
| 77 | unsigned char has_ibs : 1; |
| 78 | unsigned char has_skey : 1; |
| 79 | unsigned char has_kss : 1; |
| 80 | unsigned char has_gisaf : 1; |
| 81 | unsigned int ibc; |
| 82 | unsigned int mtid; |
| 83 | unsigned int mtid_cp; |
| 84 | unsigned int mtid_prev; |
| 85 | unsigned long rzm; |
| 86 | unsigned long rnmax; |
| 87 | unsigned long hamax; |
| 88 | unsigned int max_cores; |
| 89 | unsigned long hsa_size; |
| 90 | unsigned long facilities; |
| 91 | unsigned int hmfai; |
| 92 | }; |
| 93 | extern struct sclp_info sclp; |
| 94 | |
| 95 | struct zpci_report_error_header { |
| 96 | u8 version; /* Interface version byte */ |
| 97 | u8 action; /* Action qualifier byte |
| 98 | * 1: Deconfigure and repair action requested |
| 99 | * (OpenCrypto Problem Call Home) |
| 100 | * 2: Informational Report |
| 101 | * (OpenCrypto Successful Diagnostics Execution) |
| 102 | */ |
| 103 | u16 length; /* Length of Subsequent Data (up to 4K – SCLP header */ |
| 104 | u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */ |
| 105 | } __packed; |
| 106 | |
| 107 | int sclp_early_get_core_info(struct sclp_core_info *info); |
| 108 | void sclp_early_get_ipl_info(struct sclp_ipl_info *info); |
| 109 | void sclp_early_detect(void); |
| 110 | void sclp_early_printk(const char *s); |
| 111 | void sclp_early_printk_force(const char *s); |
| 112 | void __sclp_early_printk(const char *s, unsigned int len, unsigned int force); |
| 113 | |
| 114 | int _sclp_get_core_info(struct sclp_core_info *info); |
| 115 | int sclp_core_configure(u8 core); |
| 116 | int sclp_core_deconfigure(u8 core); |
| 117 | int sclp_sdias_blk_count(void); |
| 118 | int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); |
| 119 | int sclp_chp_configure(struct chp_id chpid); |
| 120 | int sclp_chp_deconfigure(struct chp_id chpid); |
| 121 | int sclp_chp_read_info(struct sclp_chp_info *info); |
| 122 | int sclp_pci_configure(u32 fid); |
| 123 | int sclp_pci_deconfigure(u32 fid); |
| 124 | int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid); |
| 125 | int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count); |
| 126 | int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count); |
| 127 | void sclp_ocf_cpc_name_copy(char *dst); |
| 128 | |
| 129 | static inline int sclp_get_core_info(struct sclp_core_info *info, int early) |
| 130 | { |
| 131 | if (early) |
| 132 | return sclp_early_get_core_info(info); |
| 133 | return _sclp_get_core_info(info); |
| 134 | } |
| 135 | |
| 136 | #endif /* _ASM_S390_SCLP_H */ |