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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* Copyright (C) 2017-2018 ARM Limited */ /* * For use by other UAPI headers only. * Do not make direct use of header or its definitions. */ #ifndef _UAPI__ASM_SVE_CONTEXT_H #define _UAPI__ASM_SVE_CONTEXT_H #include <linux/types.h> #define __SVE_VQ_BYTES 16 /* number of bytes per quadword */ #define __SVE_VQ_MIN 1 #define __SVE_VQ_MAX 512 #define __SVE_VL_MIN (__SVE_VQ_MIN * __SVE_VQ_BYTES) #define __SVE_VL_MAX (__SVE_VQ_MAX * __SVE_VQ_BYTES) #define __SVE_NUM_ZREGS 32 #define __SVE_NUM_PREGS 16 #define __sve_vl_valid(vl) \ ((vl) % __SVE_VQ_BYTES == 0 && \ (vl) >= __SVE_VL_MIN && \ (vl) <= __SVE_VL_MAX) #define __sve_vq_from_vl(vl) ((vl) / __SVE_VQ_BYTES) #define __sve_vl_from_vq(vq) ((vq) * __SVE_VQ_BYTES) #define __SVE_ZREG_SIZE(vq) ((__u32)(vq) * __SVE_VQ_BYTES) #define __SVE_PREG_SIZE(vq) ((__u32)(vq) * (__SVE_VQ_BYTES / 8)) #define __SVE_FFR_SIZE(vq) __SVE_PREG_SIZE(vq) #define __SVE_ZREGS_OFFSET 0 #define __SVE_ZREG_OFFSET(vq, n) \ (__SVE_ZREGS_OFFSET + __SVE_ZREG_SIZE(vq) * (n)) #define __SVE_ZREGS_SIZE(vq) \ (__SVE_ZREG_OFFSET(vq, __SVE_NUM_ZREGS) - __SVE_ZREGS_OFFSET) #define __SVE_PREGS_OFFSET(vq) \ (__SVE_ZREGS_OFFSET + __SVE_ZREGS_SIZE(vq)) #define __SVE_PREG_OFFSET(vq, n) \ (__SVE_PREGS_OFFSET(vq) + __SVE_PREG_SIZE(vq) * (n)) #define __SVE_PREGS_SIZE(vq) \ (__SVE_PREG_OFFSET(vq, __SVE_NUM_PREGS) - __SVE_PREGS_OFFSET(vq)) #define __SVE_FFR_OFFSET(vq) \ (__SVE_PREGS_OFFSET(vq) + __SVE_PREGS_SIZE(vq)) #endif /* ! _UAPI__ASM_SVE_CONTEXT_H */