arch/s390/include/asm/chsc.h

Source file repositories/reference/linux-study-clean/arch/s390/include/asm/chsc.h

File Facts

System
Linux kernel
Corpus path
arch/s390/include/asm/chsc.h
Extension
.h
Size
1744 bytes
Lines
85
Domain
Architecture Layer
Bucket
arch/s390
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct chsc_pnso_naid_l2 {
	u64 nit;
	struct { u8 mac[6]; u16 lnid; } addr_lnid;
} __packed;

struct chsc_pnso_resume_token {
	u64 t1;
	u64 t2;
} __packed;

struct chsc_pnso_naihdr {
	struct chsc_pnso_resume_token resume_token;
	u32:32;
	u32 instance;
	u32:24;
	u8 naids;
	u32 reserved[3];
} __packed;

struct chsc_pnso_area {
	struct chsc_header request;
	u8:2;
	u8 m:1;
	u8:5;
	u8:2;
	u8 ssid:2;
	u8 fmt:4;
	u16 sch;
	u8:8;
	u8 cssid;
	u16:16;
	u8 oc;
	u32:24;
	struct chsc_pnso_resume_token resume_token;
	u32 n:1;
	u32:31;
	u32 reserved[3];
	struct chsc_header response;
	u32:32;
	struct chsc_pnso_naihdr naihdr;
	struct chsc_pnso_naid_l2 entries[];
} __packed __aligned(PAGE_SIZE);

/*
 * notifier interface - registered notifiers gets called on
 * the following events:
 * - ap config changed (CHSC_NOTIFY_AP_CFG)
 */
enum chsc_notify_type {
	CHSC_NOTIFY_AP_CFG = 3,
};

int chsc_notifier_register(struct notifier_block *nb);
int chsc_notifier_unregister(struct notifier_block *nb);

#endif /* _ASM_S390_CHSC_H */

Annotation

Implementation Notes