/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 1999, 2012 * Author(s): Hartmut Penner <hp@de.ibm.com>, * Martin Schwidefsky <schwidefsky@de.ibm.com>, * Denis Joseph Barrow, */ #ifndef _ASM_S390_LOWCORE_H #define _ASM_S390_LOWCORE_H #include <linux/types.h> #include <asm/ptrace.h> #include <asm/cpu.h> #include <asm/types.h> #define LC_ORDER 1 #define LC_PAGES 2 struct lowcore { __u8 pad_0x0000[0x0014-0x0000]; /* 0x0000 */ __u32 ipl_parmblock_ptr; /* 0x0014 */ __u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */ __u32 ext_params; /* 0x0080 */ __u16 ext_cpu_addr; /* 0x0084 */ __u16 ext_int_code; /* 0x0086 */ __u16 svc_ilc; /* 0x0088 */ __u16 svc_code; /* 0x008a */ __u16 pgm_ilc; /* 0x008c */ __u16 pgm_code; /* 0x008e */ __u32 data_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ __u8 per_code; /* 0x0096 */ __u8 per_atmid; /* 0x0097 */ __u64 per_address; /* 0x0098 */ __u8 exc_access_id; /* 0x00a0 */ __u8 per_access_id; /* 0x00a1 */ __u8 op_access_id; /* 0x00a2 */ __u8 ar_mode_id; /* 0x00a3 */ __u8 pad_0x00a4[0x00a8-0x00a4]; /* 0x00a4 */ __u64 trans_exc_code; /* 0x00a8 */ __u64 monitor_code; /* 0x00b0 */ __u16 subchannel_id; /* 0x00b8 */ __u16 subchannel_nr; /* 0x00ba */ __u32 io_int_parm; /* 0x00bc */ __u32 io_int_word; /* 0x00c0 */ __u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */ __u32 stfl_fac_list; /* 0x00c8 */ __u8 pad_0x00cc[0x00e8-0x00cc]; /* 0x00cc */ __u64 mcck_interruption_code; /* 0x00e8 */ __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */ __u32 external_damage_code; /* 0x00f4 */ __u64 failing_storage_address; /* 0x00f8 */ __u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */ __u64 breaking_event_addr; /* 0x0110 */ __u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */ psw_t restart_old_psw; /* 0x0120 */ psw_t external_old_psw; /* 0x0130 */ psw_t svc_old_psw; /* 0x0140 */ psw_t program_old_psw; /* 0x0150 */ psw_t mcck_old_psw; /* 0x0160 */ psw_t io_old_psw; /* 0x0170 */ __u8 pad_0x0180[0x01a0-0x0180]; /* 0x0180 */ psw_t restart_psw; /* 0x01a0 */ psw_t external_new_psw; /* 0x01b0 */ psw_t svc_new_psw; /* 0x01c0 */ psw_t program_new_psw; /* 0x01d0 */ psw_t mcck_new_psw; /* 0x01e0 */ psw_t io_new_psw; /* 0x01f0 */ /* Save areas. */ __u64 save_area_sync[8]; /* 0x0200 */ __u64 save_area_async[8]; /* 0x0240 */ __u64 save_area_restart[1]; /* 0x0280 */ /* CPU flags. */ __u64 cpu_flags; /* 0x0288 */ /* Return psws. */ psw_t return_psw; /* 0x0290 */ psw_t return_mcck_psw; /* 0x02a0 */ /* CPU accounting and timing values. */ __u64 sync_enter_timer; /* 0x02b0 */ __u64 async_enter_timer; /* 0x02b8 */ __u64 mcck_enter_timer; /* 0x02c0 */ __u64 exit_timer; /* 0x02c8 */ __u64 user_timer; /* 0x02d0 */ __u64 guest_timer; /* 0x02d8 */ __u64 system_timer; /* 0x02e0 */ __u64 hardirq_timer; /* 0x02e8 */ __u64 softirq_timer; /* 0x02f0 */ __u64 steal_timer; /* 0x02f8 */ __u64 last_update_timer; /* 0x0300 */ __u64 last_update_clock; /* 0x0308 */ __u64 int_clock; /* 0x0310 */ __u64 mcck_clock; /* 0x0318 */ __u64 clock_comparator; /* 0x0320 */ __u64 boot_clock[2]; /* 0x0328 */ /* Current process. */ __u64 current_task; /* 0x0338 */ __u64 kernel_stack; /* 0x0340 */ /* Interrupt, panic and restart stack. */ __u64 async_stack; /* 0x0348 */ __u64 panic_stack; /* 0x0350 */ __u64 restart_stack; /* 0x0358 */ /* Restart function and parameter. */ __u64 restart_fn; /* 0x0360 */ __u64 restart_data; /* 0x0368 */ __u64 restart_source; /* 0x0370 */ /* Address space pointer. */ __u64 kernel_asce; /* 0x0378 */ __u64 user_asce; /* 0x0380 */ /* * The lpp and current_pid fields form a * 64-bit value that is set as program * parameter with the LPP instruction. */ __u32 lpp; /* 0x0388 */ __u32 current_pid; /* 0x038c */ /* SMP info area */ __u32 cpu_nr; /* 0x0390 */ __u32 softirq_pending; /* 0x0394 */ __u64 percpu_offset; /* 0x0398 */ __u64 vdso_per_cpu_data; /* 0x03a0 */ __u64 machine_flags; /* 0x03a8 */ __u32 preempt_count; /* 0x03b0 */ __u8 pad_0x03b4[0x03b8-0x03b4]; /* 0x03b4 */ __u64 gmap; /* 0x03b8 */ __u32 spinlock_lockval; /* 0x03c0 */ __u32 fpu_flags; /* 0x03c4 */ __u8 pad_0x03c8[0x0400-0x03c8]; /* 0x03c8 */ /* Per cpu primary space access list */ __u32 paste[16]; /* 0x0400 */ __u8 pad_0x04c0[0x0e00-0x0440]; /* 0x0440 */ /* * 0xe00 contains the address of the IPL Parameter Information * block. Dump tools need IPIB for IPL after dump. * Note: do not change the position of any fields in 0x0e00-0x0f00 */ __u64 ipib; /* 0x0e00 */ __u32 ipib_checksum; /* 0x0e08 */ __u64 vmcore_info; /* 0x0e0c */ __u8 pad_0x0e14[0x0e18-0x0e14]; /* 0x0e14 */ __u64 os_info; /* 0x0e18 */ __u8 pad_0x0e20[0x0f00-0x0e20]; /* 0x0e20 */ /* Extended facility list */ __u64 stfle_fac_list[32]; /* 0x0f00 */ __u8 pad_0x1000[0x11b0-0x1000]; /* 0x1000 */ /* Pointer to the machine check extended save area */ __u64 mcesad; /* 0x11b0 */ /* 64 bit extparam used for pfault/diag 250: defined by architecture */ __u64 ext_params2; /* 0x11B8 */ __u8 pad_0x11c0[0x1200-0x11C0]; /* 0x11C0 */ /* CPU register save area: defined by architecture */ __u64 floating_pt_save_area[16]; /* 0x1200 */ __u64 gpregs_save_area[16]; /* 0x1280 */ psw_t psw_save_area; /* 0x1300 */ __u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */ __u32 prefixreg_save_area; /* 0x1318 */ __u32 fpt_creg_save_area; /* 0x131c */ __u8 pad_0x1320[0x1324-0x1320]; /* 0x1320 */ __u32 tod_progreg_save_area; /* 0x1324 */ __u32 cpu_timer_save_area[2]; /* 0x1328 */ __u32 clock_comp_save_area[2]; /* 0x1330 */ __u8 pad_0x1338[0x1340-0x1338]; /* 0x1338 */ __u32 access_regs_save_area[16]; /* 0x1340 */ __u64 cregs_save_area[16]; /* 0x1380 */ __u8 pad_0x1400[0x1800-0x1400]; /* 0x1400 */ /* Transaction abort diagnostic block */ __u8 pgm_tdb[256]; /* 0x1800 */ __u8 pad_0x1900[0x2000-0x1900]; /* 0x1900 */ } __packed; #define S390_lowcore (*((struct lowcore *) 0)) extern struct lowcore *lowcore_ptr[];
static inline void set_prefix(__u32 address) { asm volatile("spx %0" : : "m" (address) : "memory"); }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Martin Schwidefsky | 9 | 69.23% | 2 | 50.00% |
| Adrian Bunk | 2 | 15.38% | 1 | 25.00% |
| Linus Torvalds (pre-git) | 2 | 15.38% | 1 | 25.00% |
| Total | 13 | 100.00% | 4 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Heiko Carstens | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Martin Schwidefsky | 564 | 77.05% | 28 | 51.85% |
| Heiko Carstens | 73 | 9.97% | 9 | 16.67% |
| Linus Torvalds (pre-git) | 27 | 3.69% | 1 | 1.85% |
| Michael Holzheu | 20 | 2.73% | 3 | 5.56% |
| Christian Bornträger | 18 | 2.46% | 3 | 5.56% |
| Andrew Morton | 8 | 1.09% | 1 | 1.85% |
| Jens Freimann | 7 | 0.96% | 2 | 3.70% |
| Christian Ehrhardt | 4 | 0.55% | 1 | 1.85% |
| Philipp Hachtmann | 3 | 0.41% | 1 | 1.85% |
| Frank Munzert | 2 | 0.27% | 1 | 1.85% |
| Carsten Otte | 2 | 0.27% | 1 | 1.85% |
| Adrian Bunk | 2 | 0.27% | 1 | 1.85% |
| Gerald Schaefer | 1 | 0.14% | 1 | 1.85% |
| Greg Kroah-Hartman | 1 | 0.14% | 1 | 1.85% |
| Total | 732 | 100.00% | 54 | 100.00% |