| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright IBM Corp. 2007 |
| * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> |
| */ |
| |
| #ifndef _ASM_S390_SCLP_H |
| #define _ASM_S390_SCLP_H |
| |
| #include <linux/types.h> |
| #include <asm/chpid.h> |
| #include <asm/cpu.h> |
| |
| #define SCLP_CHP_INFO_MASK_SIZE 32 |
| #define EARLY_SCCB_SIZE PAGE_SIZE |
| #define SCLP_MAX_CORES 512 |
| /* 144 + 16 * SCLP_MAX_CORES + 2 * (SCLP_MAX_CORES - 1) */ |
| #define EXT_SCCB_READ_SCP (3 * PAGE_SIZE) |
| /* 24 + 16 * SCLP_MAX_CORES */ |
| #define EXT_SCCB_READ_CPU (3 * PAGE_SIZE) |
| |
| struct sclp_chp_info { |
| u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; |
| u8 standby[SCLP_CHP_INFO_MASK_SIZE]; |
| u8 configured[SCLP_CHP_INFO_MASK_SIZE]; |
| }; |
| |
| #define LOADPARM_LEN 8 |
| |
| struct sclp_ipl_info { |
| int is_valid; |
| int has_dump; |
| char loadparm[LOADPARM_LEN]; |
| }; |
| |
| struct sclp_core_entry { |
| u8 core_id; |
| u8 reserved0; |
| u8 : 4; |
| u8 sief2 : 1; |
| u8 skey : 1; |
| u8 : 2; |
| u8 : 2; |
| u8 gpere : 1; |
| u8 siif : 1; |
| u8 sigpif : 1; |
| u8 : 3; |
| u8 reserved2[3]; |
| u8 : 2; |
| u8 ib : 1; |
| u8 cei : 1; |
| u8 : 4; |
| u8 reserved3[6]; |
| u8 type; |
| u8 reserved1; |
| } __attribute__((packed)); |
| |
| struct sclp_core_info { |
| unsigned int configured; |
| unsigned int standby; |
| unsigned int combined; |
| struct sclp_core_entry core[SCLP_MAX_CORES]; |
| }; |
| |
| struct sclp_info { |
| unsigned char has_linemode : 1; |
| unsigned char has_vt220 : 1; |
| unsigned char has_siif : 1; |
| unsigned char has_sigpif : 1; |
| unsigned char has_core_type : 1; |
| unsigned char has_sprp : 1; |
| unsigned char has_hvs : 1; |
| unsigned char has_esca : 1; |
| unsigned char has_sief2 : 1; |
| unsigned char has_64bscao : 1; |
| unsigned char has_gpere : 1; |
| unsigned char has_cmma : 1; |
| unsigned char has_gsls : 1; |
| unsigned char has_ib : 1; |
| unsigned char has_cei : 1; |
| unsigned char has_pfmfi : 1; |
| unsigned char has_ibs : 1; |
| unsigned char has_skey : 1; |
| unsigned char has_kss : 1; |
| unsigned char has_gisaf : 1; |
| unsigned char has_diag318 : 1; |
| unsigned char has_sipl : 1; |
| unsigned char has_dirq : 1; |
| unsigned int ibc; |
| unsigned int mtid; |
| unsigned int mtid_cp; |
| unsigned int mtid_prev; |
| unsigned long rzm; |
| unsigned long rnmax; |
| unsigned long hamax; |
| unsigned int max_cores; |
| unsigned long hsa_size; |
| unsigned long facilities; |
| unsigned int hmfai; |
| }; |
| extern struct sclp_info sclp; |
| |
| struct zpci_report_error_header { |
| u8 version; /* Interface version byte */ |
| u8 action; /* Action qualifier byte |
| * 0: Adapter Reset Request |
| * 1: Deconfigure and repair action requested |
| * (OpenCrypto Problem Call Home) |
| * 2: Informational Report |
| * (OpenCrypto Successful Diagnostics Execution) |
| */ |
| u16 length; /* Length of Subsequent Data (up to 4K – SCLP header */ |
| u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */ |
| } __packed; |
| |
| int sclp_early_read_info(void); |
| int sclp_early_read_storage_info(void); |
| int sclp_early_get_core_info(struct sclp_core_info *info); |
| void sclp_early_get_ipl_info(struct sclp_ipl_info *info); |
| void sclp_early_detect(void); |
| void sclp_early_printk(const char *s); |
| void __sclp_early_printk(const char *s, unsigned int len); |
| |
| int sclp_early_get_memsize(unsigned long *mem); |
| int sclp_early_get_hsa_size(unsigned long *hsa_size); |
| int _sclp_get_core_info(struct sclp_core_info *info); |
| int sclp_core_configure(u8 core); |
| int sclp_core_deconfigure(u8 core); |
| int sclp_sdias_blk_count(void); |
| int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); |
| int sclp_chp_configure(struct chp_id chpid); |
| int sclp_chp_deconfigure(struct chp_id chpid); |
| int sclp_chp_read_info(struct sclp_chp_info *info); |
| int sclp_pci_configure(u32 fid); |
| int sclp_pci_deconfigure(u32 fid); |
| int sclp_ap_configure(u32 apid); |
| int sclp_ap_deconfigure(u32 apid); |
| int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid); |
| int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count); |
| int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count); |
| void sclp_ocf_cpc_name_copy(char *dst); |
| |
| static inline int sclp_get_core_info(struct sclp_core_info *info, int early) |
| { |
| if (early) |
| return sclp_early_get_core_info(info); |
| return _sclp_get_core_info(info); |
| } |
| |
| #endif /* _ASM_S390_SCLP_H */ |
