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