mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
0d30871739
Introduce diag310 and memory topology related subcodes. Provide memory topology information obtanied from diag310 to userspace via diag ioctl. Signed-off-by: Mete Durlu <meted@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
32 lines
811 B
C
32 lines
811 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
/*
|
|
* Diag ioctls and its associated structures definitions.
|
|
*
|
|
* Copyright IBM Corp. 2024
|
|
*/
|
|
|
|
#ifndef __S390_UAPI_ASM_DIAG_H
|
|
#define __S390_UAPI_ASM_DIAG_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define DIAG_MAGIC_STR 'D'
|
|
|
|
struct diag324_pib {
|
|
__u64 address;
|
|
__u64 sequence;
|
|
};
|
|
|
|
struct diag310_memtop {
|
|
__u64 address;
|
|
__u64 nesting_lvl;
|
|
};
|
|
|
|
/* Diag ioctl definitions */
|
|
#define DIAG324_GET_PIBBUF _IOWR(DIAG_MAGIC_STR, 0x77, struct diag324_pib)
|
|
#define DIAG324_GET_PIBLEN _IOR(DIAG_MAGIC_STR, 0x78, size_t)
|
|
#define DIAG310_GET_STRIDE _IOR(DIAG_MAGIC_STR, 0x79, size_t)
|
|
#define DIAG310_GET_MEMTOPLEN _IOWR(DIAG_MAGIC_STR, 0x7a, size_t)
|
|
#define DIAG310_GET_MEMTOPBUF _IOWR(DIAG_MAGIC_STR, 0x7b, struct diag310_memtop)
|
|
|
|
#endif /* __S390_UAPI_ASM_DIAG_H */
|