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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
commit5c40cd7db64a2949f268d7467b9be551a565d14b (patch)
treefb8a67f6edcb0c9922c256a598d675c1c04051d6 /lib/raid6/rvv.h
parent8bde384a2090759efc9b92f34300887d418a2a3a (diff)
parent25bf10be219d37d2fb221c93816a913f5f735530 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/raid6/rvv.h')
-rw-r--r--lib/raid6/rvv.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/raid6/rvv.h b/lib/raid6/rvv.h
new file mode 100644
index 000000000000..94044a1b707b
--- /dev/null
+++ b/lib/raid6/rvv.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright 2024 Institute of Software, CAS.
+ *
+ * raid6/rvv.h
+ *
+ * Definitions for RISC-V RAID-6 code
+ */
+
+#define RAID6_RVV_WRAPPER(_n) \
+ static void raid6_rvv ## _n ## _gen_syndrome(int disks, \
+ size_t bytes, void **ptrs) \
+ { \
+ void raid6_rvv ## _n ## _gen_syndrome_real(int d, \
+ unsigned long b, void **p); \
+ kernel_vector_begin(); \
+ raid6_rvv ## _n ## _gen_syndrome_real(disks, \
+ (unsigned long)bytes, ptrs); \
+ kernel_vector_end(); \
+ } \
+ static void raid6_rvv ## _n ## _xor_syndrome(int disks, \
+ int start, int stop, \
+ size_t bytes, void **ptrs) \
+ { \
+ void raid6_rvv ## _n ## _xor_syndrome_real(int d, \
+ int s1, int s2, \
+ unsigned long b, void **p); \
+ kernel_vector_begin(); \
+ raid6_rvv ## _n ## _xor_syndrome_real(disks, \
+ start, stop, (unsigned long)bytes, ptrs); \
+ kernel_vector_end(); \
+ } \
+ struct raid6_calls const raid6_rvvx ## _n = { \
+ raid6_rvv ## _n ## _gen_syndrome, \
+ raid6_rvv ## _n ## _xor_syndrome, \
+ rvv_has_vector, \
+ "rvvx" #_n, \
+ 0 \
+ }