Add loongarch64 support

0001-Add-loongarch64-support.patch

@@ -0,0 +1,66 @@
+From 249491af07c735d93fc743e413a5304057e43a75 Mon Sep 17 00:00:00 2001
+From: doupengda <doupengda@loongson.cn>
+Date: Tue, 7 Mar 2023 11:08:46 +0800
+Subject: [PATCH] Add loongarch64 support
+
+---
+ utils/uds/atomicDefs.h | 8 +++++++-
+ utils/uds/cpu.h        | 2 +-
+ 2 files changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/utils/uds/atomicDefs.h b/utils/uds/atomicDefs.h
+index 0aad609..f468369 100644
+--- a/utils/uds/atomicDefs.h
++++ b/utils/uds/atomicDefs.h
+@@ -96,6 +96,8 @@ static INLINE void smp_mb(void)
+   __asm__ __volatile__("bcr 14,0" : : : "memory");
+ #elif defined __PPC__
+   __asm__ __volatile__("sync" : : : "memory");
++#elif defined __loongarch64
++  __asm__ __volatile__("dbar 0" : : : "memory");
+ #else
+ #error "no fence defined"
+ #endif
+@@ -121,6 +123,8 @@ static INLINE void smp_rmb(void)
+   __asm__ __volatile__("bcr 14,0" : : : "memory");
+ #elif defined __PPC__
+   __asm__ __volatile__("lwsync" : : : "memory");
++#elif defined __loongarch64
++  __asm__ __volatile__("dbar 0" : : : "memory");
+ #else
+ #error "no fence defined"
+ #endif
+@@ -146,6 +150,8 @@ static INLINE void smp_wmb(void)
+   __asm__ __volatile__("bcr 14,0" : : : "memory");
+ #elif defined __PPC__
+   __asm__ __volatile__("lwsync" : : : "memory");
++#elif defined __loongarch64
++  __asm__ __volatile__("dbar 0" : : : "memory");
+ #else
+ #error "no fence defined"
+ #endif
+@@ -172,7 +178,7 @@ static INLINE void smp_mb__before_atomic(void)
+ static INLINE void smp_read_barrier_depends(void)
+ {
+ #if defined(__x86_64__) || defined(__PPC__) || defined(__s390__) \
+-  || defined(__aarch64__)
++  || defined(__aarch64__)  || defined(__loongarch64)
+   // Nothing needed for these architectures.
+ #else
+   // Default to playing it safe.
+diff --git a/utils/uds/cpu.h b/utils/uds/cpu.h
+index 6549f6e..e26d653 100644
+--- a/utils/uds/cpu.h
++++ b/utils/uds/cpu.h
+@@ -36,7 +36,7 @@
+ #define CACHE_LINE_BYTES 128
+ #elif defined(__s390x__)
+ #define CACHE_LINE_BYTES 256
+-#elif defined(__x86_64__) || defined(__aarch64__)
++#elif defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64)
+ #define CACHE_LINE_BYTES  64
+ #else
+ #error "unknown cache line size"
+-- 
+2.33.0
+

vdo.spec

@@ -1,11 +1,12 @@
 Name:           vdo
 Version:        6.2.6.14
-Release:        1
+Release:        2
 Summary:        Management tools for Virtual Data Optimizer
 License:        GPLv2
 URL:            http://github.com/dm-vdo/vdo
 Source0:	https://github.com/dm-vdo/vdo/archive/refs/tags/%{version}.tar.gz
 Patch0002:      0002-Ignore-misaligned-pointers.patch
+Patch0003:      0001-Add-loongarch64-support.patch
 
 BuildRequires:  gcc libuuid-devel device-mapper-devel device-mapper-event-devel
 BuildRequires:  valgrind-devel python3 python3-devel zlib-devel systemd
@@ -23,7 +24,11 @@ This package provides the user-space management tools for VDO.
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version} -p1
+%setup -q
+%patch0002 -p1
+%ifarch loongarch64
+%patch0003 -p1
+%endif
 
 %build
 %make_build
@@ -80,6 +85,9 @@ done
 %{_mandir}/man8/*
 
 %changelog
+* Tue Mar 7 2023 doupengda <doupengda@loongson.cn> - 6.2.6.14-2
+- Add loongarch64 support
+
 * Fri May 20 2022 houyingchao <houyingchao@h-partners.com> - 6.2.6.14-1
 - Upgrade to 6.2.6.14