/* 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> #define NSS_NAME_SIZE 8 #define IPL_PARMBLOCK_ORIGIN 0x2000 #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_fcp)) #define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 16) #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_ccw)) #define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 16) #define IPL_MAX_SUPPORTED_VERSION (0) #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ IPL_PARMBLOCK_ORIGIN) #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len) struct ipl_list_hdr { u32 len; u8 reserved1[3]; u8 version; u32 blk0_len; u8 pbt; u8 flags; u16 reserved2; u8 loadparm[8]; } __attribute__((packed)); struct ipl_block_fcp { u8 reserved1[305-1]; u8 opt; u8 reserved2[3]; u16 reserved3; u16 devno; u8 reserved4[4]; u64 wwpn; u64 lun; u32 bootprog; u8 reserved5[12]; u64 br_lba; u32 scp_data_len; u8 reserved6[260]; u8 scp_data[]; } __attribute__((packed)); #define DIAG308_VMPARM_SIZE 64 #define DIAG308_SCPDATA_SIZE (PAGE_SIZE - (sizeof(struct ipl_list_hdr) + \ offsetof(struct ipl_block_fcp, scp_data))) struct ipl_block_ccw { u8 reserved1[84]; u16 reserved2 : 13; u8 ssid : 3; u16 devno; u8 vm_flags; u8 reserved3[3]; u32 vm_parm_len; u8 nss_name[8]; u8 vm_parm[DIAG308_VMPARM_SIZE]; u8 reserved4[8]; } __attribute__((packed)); struct ipl_parameter_block { struct ipl_list_hdr hdr; union { struct ipl_block_fcp fcp; struct ipl_block_ccw ccw; } ipl_info; } __packed __aligned(PAGE_SIZE); /* * IPL validity flags */ extern u32 ipl_flags; 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 do_reipl(void); extern void do_halt(void); extern void do_poff(void); extern void ipl_verify_parameters(void); extern void ipl_update_parameters(void); extern size_t append_ipl_vmparm(char *, size_t); extern size_t append_ipl_scpdata(char *, size_t); enum { IPL_DEVNO_VALID = 1, IPL_PARMBLOCK_VALID = 2, }; enum ipl_type { IPL_TYPE_UNKNOWN = 1, IPL_TYPE_CCW = 2, IPL_TYPE_FCP = 4, IPL_TYPE_FCP_DUMP = 8, IPL_TYPE_NSS = 16, }; struct ipl_info { enum ipl_type type; union { struct { struct ccw_dev_id dev_id; } ccw; struct { struct ccw_dev_id dev_id; u64 wwpn; u64 lun; } fcp; struct { char name[NSS_NAME_SIZE + 1]; } nss; } data; }; extern struct ipl_info ipl_info; extern void setup_ipl(void); /* * DIAG 308 support */ enum diag308_subcode { DIAG308_REL_HSA = 2, DIAG308_LOAD_CLEAR = 3, DIAG308_LOAD_NORMAL_DUMP = 4, DIAG308_SET = 5, DIAG308_STORE = 6, }; enum diag308_ipl_type { DIAG308_IPL_TYPE_FCP = 0, DIAG308_IPL_TYPE_CCW = 2, }; enum diag308_opt { DIAG308_IPL_OPT_IPL = 0x10, DIAG308_IPL_OPT_DUMP = 0x20, }; enum diag308_flags { DIAG308_FLAGS_LP_VALID = 0x80, }; enum diag308_vm_flags { DIAG308_VM_FLAGS_NSS_VALID = 0x80, DIAG308_VM_FLAGS_VP_VALID = 0x40, }; enum diag308_rc { DIAG308_RC_OK = 0x0001, DIAG308_RC_NOCONFIG = 0x0102, }; extern int diag308(unsigned long subcode, void *addr); extern void diag308_reset(void); extern void store_status(void (*fn)(void *), void *data); extern void lgr_info_log(void); #endif /* _ASM_S390_IPL_H */
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trace | Folder | 0755 |
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Kbuild | File | 557 B | 0644 |
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alternative-asm.h | File | 3.07 KB | 0644 |
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archrandom.h | File | 1.17 KB | 0644 |
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asm-prototypes.h | File | 227 B | 0644 |
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atomic.h | File | 5.1 KB | 0644 |
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cache.h | File | 387 B | 0644 |
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ccwdev.h | File | 7.99 KB | 0644 |
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ccwgroup.h | File | 2.53 KB | 0644 |
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checksum.h | File | 3.24 KB | 0644 |
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chpid.h | File | 974 B | 0644 |
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cio.h | File | 8.01 KB | 0644 |
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clp.h | File | 1.32 KB | 0644 |
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compat.h | File | 7.9 KB | 0644 |
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cpacf.h | File | 16.8 KB | 0644 |
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cpu.h | File | 549 B | 0644 |
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cpu_mf.h | File | 8.99 KB | 0644 |
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cpufeature.h | File | 963 B | 0644 |
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cputime.h | File | 805 B | 0644 |
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ctl_reg.h | File | 2.89 KB | 0644 |
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current.h | File | 405 B | 0644 |
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debug.h | File | 8.1 KB | 0644 |
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delay.h | File | 721 B | 0644 |
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diag.h | File | 5.94 KB | 0644 |
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dma-mapping.h | File | 621 B | 0644 |
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dma.h | File | 456 B | 0644 |
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elf.h | File | 10.36 KB | 0644 |
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extable.h | File | 875 B | 0644 |
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futex.h | File | 2.09 KB | 0644 |
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gmap.h | File | 4.93 KB | 0644 |
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hardirq.h | File | 670 B | 0644 |
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hugetlb.h | File | 2.87 KB | 0644 |
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hw_irq.h | File | 249 B | 0644 |
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idals.h | File | 5.22 KB | 0644 |
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idle.h | File | 709 B | 0644 |
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io.h | File | 2.03 KB | 0644 |
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ipl.h | File | 3.6 KB | 0644 |
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irq.h | File | 2.55 KB | 0644 |
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irqflags.h | File | 1.76 KB | 0644 |
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isc.h | File | 1000 B | 0644 |
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itcw.h | File | 950 B | 0644 |
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jump_label.h | File | 1.36 KB | 0644 |
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kdebug.h | File | 386 B | 0644 |
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kexec.h | File | 1.32 KB | 0644 |
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kprobes.h | File | 2.24 KB | 0644 |
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kvm_host.h | File | 22.24 KB | 0644 |
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kvm_para.h | File | 5.78 KB | 0644 |
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linkage.h | File | 633 B | 0644 |
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livepatch.h | File | 461 B | 0644 |
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lowcore.h | File | 6.29 KB | 0644 |
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mmu.h | File | 1.19 KB | 0644 |
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mmu_context.h | File | 3.84 KB | 0644 |
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mmzone.h | File | 316 B | 0644 |
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module.h | File | 802 B | 0644 |
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nmi.h | File | 3.44 KB | 0644 |
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nospec-branch.h | File | 342 B | 0644 |
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pci.h | File | 6.26 KB | 0644 |
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pci_clp.h | File | 4.25 KB | 0644 |
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pci_debug.h | File | 608 B | 0644 |
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pci_dma.h | File | 5.7 KB | 0644 |
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pci_insn.h | File | 2.59 KB | 0644 |
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pci_io.h | File | 4.58 KB | 0644 |
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percpu.h | File | 6.44 KB | 0644 |
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perf_event.h | File | 2.71 KB | 0644 |
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pgalloc.h | File | 4.32 KB | 0644 |
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pgtable.h | File | 47.7 KB | 0644 |
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pkey.h | File | 4.23 KB | 0644 |
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processor.h | File | 10.42 KB | 0644 |
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ptrace.h | File | 5.27 KB | 0644 |
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reset.h | File | 471 B | 0644 |
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runtime_instr.h | File | 1.76 KB | 0644 |
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schid.h | File | 525 B | 0644 |
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scsw.h | File | 24.1 KB | 0644 |
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sections.h | File | 155 B | 0644 |
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segment.h | File | 93 B | 0644 |
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serial.h | File | 147 B | 0644 |
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set_memory.h | File | 779 B | 0644 |
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setup.h | File | 4.44 KB | 0644 |
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shmparam.h | File | 285 B | 0644 |
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signal.h | File | 644 B | 0644 |
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sigp.h | File | 1.8 KB | 0644 |
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smp.h | File | 2.45 KB | 0644 |
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sparsemem.h | File | 214 B | 0644 |
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spinlock.h | File | 3.53 KB | 0644 |
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spinlock_types.h | File | 437 B | 0644 |
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stp.h | File | 1.26 KB | 0644 |
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string.h | File | 4.5 KB | 0644 |
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switch_to.h | File | 1.37 KB | 0644 |
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syscall.h | File | 2.63 KB | 0644 |
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sysinfo.h | File | 4.22 KB | 0644 |
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termios.h | File | 685 B | 0644 |
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thread_info.h | File | 3.15 KB | 0644 |
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timex.h | File | 6.15 KB | 0644 |
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tlb.h | File | 5.71 KB | 0644 |
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tlbflush.h | File | 3.52 KB | 0644 |
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topology.h | File | 2.69 KB | 0644 |
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uaccess.h | File | 6.57 KB | 0644 |
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unistd.h | File | 1.03 KB | 0644 |
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uprobes.h | File | 588 B | 0644 |
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user.h | File | 3.3 KB | 0644 |
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vdso.h | File | 1.8 KB | 0644 |
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vga.h | File | 170 B | 0644 |
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vtime.h | File | 182 B | 0644 |
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vtimer.h | File | 866 B | 0644 |
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vx-insn.h | File | 10.66 KB | 0644 |
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xor.h | File | 454 B | 0644 |
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