/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 */ #ifndef _ASM_S390_SCLP_H #define _ASM_S390_SCLP_H #include <linux/types.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) #ifndef __ASSEMBLY__ #include <linux/uio.h> #include <asm/chpid.h> #include <asm/cpu.h> 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_diag204_bif : 1; unsigned char has_gisaf : 1; unsigned char has_diag318 : 1; unsigned char has_diag320 : 1; unsigned char has_sipl : 1; unsigned char has_sipl_eckd : 1; unsigned char has_dirq : 1; unsigned char has_iplcc : 1; unsigned char has_zpci_lsi : 1; unsigned char has_aisii : 1; unsigned char has_aeni : 1; unsigned char has_aisi : 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[]; /* Subsequent Data passed verbatim to SCLP ET 24 */ } __packed; extern char *sclp_early_sccb; void sclp_early_adjust_va(void); void sclp_early_set_buffer(void *sccb); 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); void sclp_emergency_printk(const char *s); 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); size_t memcpy_hsa_iter(struct iov_iter *iter, 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 /* __ASSEMBLY__ */ #endif /* _ASM_S390_SCLP_H */