arch/s390/include/asm/fpu/types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * FPU data structures
   4  *
   5  * Copyright IBM Corp. 2015
   6  * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
   7  */
   8
   9 #ifndef _ASM_S390_FPU_TYPES_H
  10 #define _ASM_S390_FPU_TYPES_H
  11
  12 #include <asm/sigcontext.h>
  13
  14 struct fpu {
  15         __u32 fpc;              /* Floating-point control */
  16         void *regs;             /* Pointer to the current save area */
  17         union {
  18                 /* Floating-point register save area */
  19                 freg_t fprs[__NUM_FPRS];
  20                 /* Vector register save area */
  21                 __vector128 vxrs[__NUM_VXRS];
  22         };
  23 };
  24
  25 /* VX array structure for address operand constraints in inline assemblies */
  26 struct vx_array { __vector128 _[__NUM_VXRS]; };
  27
  28 /* In-kernel FPU state structure */
  29 struct kernel_fpu {
  30         u32         mask;
  31         u32         fpc;
  32         union {
  33                 freg_t fprs[__NUM_FPRS];
  34                 __vector128 vxrs[__NUM_VXRS];
  35         };
  36 };
  37
  38 #endif /* _ASM_S390_FPU_TYPES_H */