summaryrefslogtreecommitdiffstats
path: root/arch/riscv/include/asm/vector.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:51 +0000
commit6d03a247468059b0e59c821ef39e6762d4d6fc30 (patch)
tree17b9c00de2c62e68c965c742cdbc206f77a375da /arch/riscv/include/asm/vector.h
parentReleasing progress-linux version 6.8.12-1~progress7.99u1. (diff)
downloadlinux-6d03a247468059b0e59c821ef39e6762d4d6fc30.tar.xz
linux-6d03a247468059b0e59c821ef39e6762d4d6fc30.zip
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/include/asm/vector.h')
-rw-r--r--arch/riscv/include/asm/vector.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h
index 0cd6f0a027..731dcd0ed4 100644
--- a/arch/riscv/include/asm/vector.h
+++ b/arch/riscv/include/asm/vector.h
@@ -284,4 +284,15 @@ static inline bool riscv_v_vstate_ctrl_user_allowed(void) { return false; }
#endif /* CONFIG_RISCV_ISA_V */
+/*
+ * Return the implementation's vlen value.
+ *
+ * riscv_v_vsize contains the value of "32 vector registers with vlenb length"
+ * so rebuild the vlen value in bits from it.
+ */
+static inline int riscv_vector_vlen(void)
+{
+ return riscv_v_vsize / 32 * 8;
+}
+
#endif /* ! __ASM_RISCV_VECTOR_H */