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Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
-rw-r--r--arch/s390/include/asm/lowcore.h94
1 files changed, 59 insertions, 35 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 237ee0c4169f..8aa1f6530a3e 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -17,21 +17,39 @@
#define LC_ORDER 1
#define LC_PAGES 2
+struct pgm_tdb {
+ u64 data[32];
+};
+
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 */
+ union {
+ struct {
+ __u16 ext_cpu_addr; /* 0x0084 */
+ __u16 ext_int_code; /* 0x0086 */
+ };
+ __u32 ext_int_code_addr;
+ };
+ __u32 svc_int_code; /* 0x0088 */
+ union {
+ struct {
+ __u16 pgm_ilc; /* 0x008c */
+ __u16 pgm_code; /* 0x008e */
+ };
+ __u32 pgm_int_code;
+ };
__u32 data_exc_code; /* 0x0090 */
__u16 mon_class_num; /* 0x0094 */
- __u8 per_code; /* 0x0096 */
- __u8 per_atmid; /* 0x0097 */
+ union {
+ struct {
+ __u8 per_code; /* 0x0096 */
+ __u8 per_atmid; /* 0x0097 */
+ };
+ __u16 per_code_combined;
+ };
__u64 per_address; /* 0x0098 */
__u8 exc_access_id; /* 0x00a0 */
__u8 per_access_id; /* 0x00a1 */
@@ -40,10 +58,15 @@ struct lowcore {
__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 */
+ union {
+ struct {
+ __u16 subchannel_id; /* 0x00b8 */
+ __u16 subchannel_nr; /* 0x00ba */
+ __u32 io_int_parm; /* 0x00bc */
+ __u32 io_int_word; /* 0x00c0 */
+ };
+ struct tpi_info tpi_info; /* 0x00b8 */
+ };
__u8 pad_0x00c4[0x00c8-0x00c4]; /* 0x00c4 */
__u32 stfl_fac_list; /* 0x00c8 */
__u8 pad_0x00cc[0x00e8-0x00cc]; /* 0x00cc */
@@ -52,7 +75,7 @@ struct lowcore {
__u32 external_damage_code; /* 0x00f4 */
__u64 failing_storage_address; /* 0x00f8 */
__u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */
- __u64 breaking_event_addr; /* 0x0110 */
+ __u64 pgm_last_break; /* 0x0110 */
__u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */
psw_t restart_old_psw; /* 0x0120 */
psw_t external_old_psw; /* 0x0130 */
@@ -80,9 +103,10 @@ struct lowcore {
psw_t return_psw; /* 0x0290 */
psw_t return_mcck_psw; /* 0x02a0 */
+ __u64 last_break; /* 0x02b0 */
+
/* CPU accounting and timing values. */
- __u64 sync_enter_timer; /* 0x02b0 */
- __u64 async_enter_timer; /* 0x02b8 */
+ __u64 sys_enter_timer; /* 0x02b8 */
__u64 mcck_enter_timer; /* 0x02c0 */
__u64 exit_timer; /* 0x02c8 */
__u64 user_timer; /* 0x02d0 */
@@ -107,16 +131,16 @@ struct lowcore {
__u64 async_stack; /* 0x0350 */
__u64 nodat_stack; /* 0x0358 */
__u64 restart_stack; /* 0x0360 */
-
+ __u64 mcck_stack; /* 0x0368 */
/* Restart function and parameter. */
- __u64 restart_fn; /* 0x0368 */
- __u64 restart_data; /* 0x0370 */
- __u64 restart_source; /* 0x0378 */
+ __u64 restart_fn; /* 0x0370 */
+ __u64 restart_data; /* 0x0378 */
+ __u32 restart_source; /* 0x0380 */
+ __u32 restart_flags; /* 0x0384 */
/* Address space pointer. */
- __u64 kernel_asce; /* 0x0380 */
- __u64 user_asce; /* 0x0388 */
- __u64 vdso_asce; /* 0x0390 */
+ __u64 kernel_asce; /* 0x0388 */
+ __u64 user_asce; /* 0x0390 */
/*
* The lpp and current_pid fields form a
@@ -134,14 +158,14 @@ struct lowcore {
__u32 spinlock_index; /* 0x03b0 */
__u32 fpu_flags; /* 0x03b4 */
__u64 percpu_offset; /* 0x03b8 */
- __u64 vdso_per_cpu_data; /* 0x03c0 */
+ __u8 pad_0x03c0[0x03c8-0x03c0]; /* 0x03c0 */
__u64 machine_flags; /* 0x03c8 */
__u64 gmap; /* 0x03d0 */
__u8 pad_0x03d8[0x0400-0x03d8]; /* 0x03d8 */
- /* br %r1 trampoline */
- __u16 br_r1_trampoline; /* 0x0400 */
- __u8 pad_0x0402[0x0e00-0x0402]; /* 0x0402 */
+ __u32 return_lpswe; /* 0x0400 */
+ __u32 return_mcck_lpswe; /* 0x0404 */
+ __u8 pad_0x040a[0x0e00-0x0408]; /* 0x0408 */
/*
* 0xe00 contains the address of the IPL Parameter Information
@@ -153,12 +177,7 @@ struct lowcore {
__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[16]; /* 0x0f00 */
- __u64 alt_stfle_fac_list[16]; /* 0x0f80 */
- __u8 pad_0x1000[0x11b0-0x1000]; /* 0x1000 */
+ __u8 pad_0x0e20[0x11b0-0x0e20]; /* 0x0e20 */
/* Pointer to the machine check extended save area */
__u64 mcesad; /* 0x11b0 */
@@ -178,13 +197,18 @@ struct lowcore {
__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 */
+ __u64 last_break_save_area; /* 0x1338 */
__u32 access_regs_save_area[16]; /* 0x1340 */
__u64 cregs_save_area[16]; /* 0x1380 */
- __u8 pad_0x1400[0x1800-0x1400]; /* 0x1400 */
+ __u8 pad_0x1400[0x1500-0x1400]; /* 0x1400 */
+ /* Cryptography-counter designation */
+ __u64 ccd; /* 0x1500 */
+ /* AI-extension counter designation */
+ __u64 aicd; /* 0x1508 */
+ __u8 pad_0x1510[0x1800-0x1510]; /* 0x1510 */
/* Transaction abort diagnostic block */
- __u8 pgm_tdb[256]; /* 0x1800 */
+ struct pgm_tdb pgm_tdb; /* 0x1800 */
__u8 pad_0x1900[0x2000-0x1900]; /* 0x1900 */
} __packed __aligned(8192);