arch/s390/include/asm/css_chars.h

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

File Facts

System
Linux kernel
Corpus path
arch/s390/include/asm/css_chars.h
Extension
.h
Size
904 bytes
Lines
48
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 css_general_char {
	u64 : 12;
	u64 dynio : 1;	 /* bit 12 */
	u64 : 4;
	u64 eadm : 1;	 /* bit 17 */
	u64 : 23;
	u64 aif : 1;	 /* bit 41 */
	u64 : 3;
	u64 mcss : 1;	 /* bit 45 */
	u64 fcs : 1;	 /* bit 46 */
	u64 : 1;
	u64 ext_mb : 1;  /* bit 48 */
	u64 : 7;
	u64 aif_tdd : 1; /* bit 56 */
	u64 : 1;
	u64 qebsm : 1;	 /* bit 58 */
	u64 : 2;
	u64 aiv : 1;	 /* bit 61 */
	u64 : 2;

	u64 : 3;
	u64 aif_qdio : 1;/* bit 67 */
	u64 : 12;
	u64 eadm_rf : 1; /* bit 80 */
	u64 : 1;
	u64 cib : 1;	 /* bit 82 */
	u64 : 5;
	u64 fcx : 1;	 /* bit 88 */
	u64 : 19;
	u64 alt_ssi : 1; /* bit 108 */
	u64 : 1;
	u64 narf : 1;	 /* bit 110 */
	u64 : 5;
	u64 enarf: 1;	 /* bit 116 */
	u64 : 6;
	u64 util_str : 1;/* bit 123 */
} __packed;

extern struct css_general_char css_general_characteristics;

#endif

Annotation

Implementation Notes