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:
/
usr
/
src
/
linux-headers-6.8.0-36-generic
/
arch
/
s390
/
include
/
asm
/ [
drwxr-xr-x
]
upload
mass deface
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name :
ipl.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * s390 (re)ipl support * * Copyright IBM Corp. 2007 */ #ifndef _ASM_S390_IPL_H #define _ASM_S390_IPL_H #include <asm/lowcore.h> #include <asm/types.h> #include <asm/cio.h> #include <asm/setup.h> #include <asm/page.h> #include <uapi/asm/ipl.h> struct ipl_parameter_block { struct ipl_pl_hdr hdr; union { struct ipl_pb_hdr pb0_hdr; struct ipl_pb0_common common; struct ipl_pb0_fcp fcp; struct ipl_pb0_ccw ccw; struct ipl_pb0_eckd eckd; struct ipl_pb0_nvme nvme; char raw[PAGE_SIZE - sizeof(struct ipl_pl_hdr)]; }; } __packed __aligned(PAGE_SIZE); #define NSS_NAME_SIZE 8 #define IPL_BP_FCP_LEN (sizeof(struct ipl_pl_hdr) + \ sizeof(struct ipl_pb0_fcp)) #define IPL_BP0_FCP_LEN (sizeof(struct ipl_pb0_fcp)) #define IPL_BP_NVME_LEN (sizeof(struct ipl_pl_hdr) + \ sizeof(struct ipl_pb0_nvme)) #define IPL_BP0_NVME_LEN (sizeof(struct ipl_pb0_nvme)) #define IPL_BP_CCW_LEN (sizeof(struct ipl_pl_hdr) + \ sizeof(struct ipl_pb0_ccw)) #define IPL_BP0_CCW_LEN (sizeof(struct ipl_pb0_ccw)) #define IPL_BP_ECKD_LEN (sizeof(struct ipl_pl_hdr) + \ sizeof(struct ipl_pb0_eckd)) #define IPL_BP0_ECKD_LEN (sizeof(struct ipl_pb0_eckd)) #define IPL_MAX_SUPPORTED_VERSION (0) #define IPL_RB_CERT_UNKNOWN ((unsigned short)-1) #define DIAG308_VMPARM_SIZE (64) #define DIAG308_SCPDATA_OFFSET offsetof(struct ipl_parameter_block, \ fcp.scp_data) #define DIAG308_SCPDATA_SIZE (PAGE_SIZE - DIAG308_SCPDATA_OFFSET) struct save_area; struct save_area * __init save_area_alloc(bool is_boot_cpu); struct save_area * __init save_area_boot_cpu(void); void __init save_area_add_regs(struct save_area *, void *regs); void __init save_area_add_vxrs(struct save_area *, __vector128 *vxrs); extern void s390_reset_system(void); extern size_t ipl_block_get_ascii_vmparm(char *dest, size_t size, const struct ipl_parameter_block *ipb); enum ipl_type { IPL_TYPE_UNKNOWN = 1, IPL_TYPE_CCW = 2, IPL_TYPE_FCP = 4, IPL_TYPE_FCP_DUMP = 8, IPL_TYPE_NSS = 16, IPL_TYPE_NVME = 32, IPL_TYPE_NVME_DUMP = 64, IPL_TYPE_ECKD = 128, IPL_TYPE_ECKD_DUMP = 256, }; struct ipl_info { enum ipl_type type; union { struct { struct ccw_dev_id dev_id; } ccw; struct { struct ccw_dev_id dev_id; } eckd; struct { struct ccw_dev_id dev_id; u64 wwpn; u64 lun; } fcp; struct { u32 fid; u32 nsid; } nvme; struct { char name[NSS_NAME_SIZE + 1]; } nss; } data; }; extern struct ipl_info ipl_info; extern void setup_ipl(void); extern void set_os_info_reipl_block(void); static inline bool is_ipl_type_dump(void) { return (ipl_info.type == IPL_TYPE_FCP_DUMP) || (ipl_info.type == IPL_TYPE_ECKD_DUMP) || (ipl_info.type == IPL_TYPE_NVME_DUMP); } struct ipl_report { struct ipl_parameter_block *ipib; struct list_head components; struct list_head certificates; size_t size; }; struct ipl_report_component { struct list_head list; struct ipl_rb_component_entry entry; }; struct ipl_report_certificate { struct list_head list; struct ipl_rb_certificate_entry entry; void *key; }; struct kexec_buf; struct ipl_report *ipl_report_init(struct ipl_parameter_block *ipib); void *ipl_report_finish(struct ipl_report *report); int ipl_report_free(struct ipl_report *report); int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf, unsigned char flags, unsigned short cert); int ipl_report_add_certificate(struct ipl_report *report, void *key, unsigned long addr, unsigned long len); bool ipl_get_secureboot(void); /* * DIAG 308 support */ enum diag308_subcode { DIAG308_CLEAR_RESET = 0, DIAG308_LOAD_NORMAL_RESET = 1, DIAG308_REL_HSA = 2, DIAG308_LOAD_CLEAR = 3, DIAG308_LOAD_NORMAL_DUMP = 4, DIAG308_SET = 5, DIAG308_STORE = 6, DIAG308_LOAD_NORMAL = 7, }; enum diag308_subcode_flags { DIAG308_FLAG_EI = 1UL << 16, }; enum diag308_rc { DIAG308_RC_OK = 0x0001, DIAG308_RC_NOCONFIG = 0x0102, }; extern int diag308(unsigned long subcode, void *addr); extern void store_status(void (*fn)(void *), void *data); extern void lgr_info_log(void); #endif /* _ASM_S390_IPL_H */
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