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/* SPDX-License-Identifier: GPL-2.0 */
/*
* FPU data structures
*
* Copyright IBM Corp. 2015
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
#ifndef _ASM_S390_FPU_TYPES_H
#define _ASM_S390_FPU_TYPES_H
#include <asm/sigcontext.h>
struct fpu {
u32 fpc;
__vector128 vxrs[__NUM_VXRS] __aligned(8);
};
struct kernel_fpu_hdr {
int mask;
u32 fpc;
};
struct kernel_fpu {
struct kernel_fpu_hdr hdr;
__vector128 vxrs[] __aligned(8);
};
#define KERNEL_FPU_STRUCT(vxr_size) \
struct kernel_fpu_##vxr_size { \
struct kernel_fpu_hdr hdr; \
__vector128 vxrs[vxr_size] __aligned(8); \
}
KERNEL_FPU_STRUCT(8);
KERNEL_FPU_STRUCT(16);
KERNEL_FPU_STRUCT(32);
#define DECLARE_KERNEL_FPU_ONSTACK(vxr_size, name) \
struct kernel_fpu_##vxr_size name __uninitialized
#define DECLARE_KERNEL_FPU_ONSTACK8(name) \
DECLARE_KERNEL_FPU_ONSTACK(8, name)
#define DECLARE_KERNEL_FPU_ONSTACK16(name) \
DECLARE_KERNEL_FPU_ONSTACK(16, name)
#define DECLARE_KERNEL_FPU_ONSTACK32(name) \
DECLARE_KERNEL_FPU_ONSTACK(32, name)
#endif /* _ASM_S390_FPU_TYPES_H */
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