!42 vdo/cpu.h: 补充添加loongarch支持，修复dkms编译错误

From: @fuowang 
Reviewed-by: @starlet-dx 
Signed-off-by: @starlet-dx

0001-add-loongarch64-support-for-kmod-kvdo.patch

@@ -0,0 +1,25 @@
+From 7f57cf2b2dcb9dc5b0b08b47e33ce989269dfe78 Mon Sep 17 00:00:00 2001
+From: wangshuo <wangshuo@kylinos.cn>
+Date: Thu, 12 Dec 2024 20:34:23 +0800
+Subject: [PATCH] add loongarch64 support for kmod-kvdo
+
+---
+ vdo/cpu.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/vdo/cpu.h b/vdo/cpu.h
+index ee449b7..b3fbfd9 100644
+--- a/vdo/cpu.h
++++ b/vdo/cpu.h
+@@ -20,7 +20,7 @@
+ #define CACHE_LINE_BYTES 128
+ #elif defined(__s390x__)
+ #define CACHE_LINE_BYTES 256
+-#elif defined(__x86_64__) || defined(__aarch64__) || defined(__riscv)
++#elif defined(__x86_64__) || defined(__aarch64__) || defined(__riscv) || defined(__loongarch64)
+ #define CACHE_LINE_BYTES 64
+ #else
+ #error "unknown cache line size"
+-- 
+2.27.0
+

0002-replace-kernel-obsolete-api.patch

@@ -0,0 +1,131 @@
+From 1af6a3f5a848237f5ea045499f33d29b6a8b8fd3 Mon Sep 17 00:00:00 2001
+From: wang--ge <wang__ge@126.com>
+Date: Tue, 26 Mar 2024 15:06:39 +0800
+Subject: [PATCH] init pakcage
+
+---
+ vdo/io-factory.c | 55 +++++++++++++++++++++++++++++++-----------------
+ 1 file changed, 36 insertions(+), 19 deletions(-)
+
+diff --git a/vdo/io-factory.c b/vdo/io-factory.c
+index 1313da2..d0d189b 100644
+--- a/vdo/io-factory.c
++++ b/vdo/io-factory.c
+@@ -11,7 +11,7 @@
+ #include "logger.h"
+ #include "memory-alloc.h"
+ 
+-enum { BLK_FMODE = FMODE_READ | FMODE_WRITE };
++enum { BLK_FMODE = BLK_OPEN_READ | BLK_OPEN_WRITE };
+ 
+ /*
+  * A kernel mode IO Factory object controls access to an index stored
+@@ -19,6 +19,7 @@ enum { BLK_FMODE = FMODE_READ | FMODE_WRITE };
+  */
+ struct io_factory {
+ 	struct block_device *bdev;
++	struct bdev_handle *bdev_h;
+ 	atomic_t ref_count;
+ };
+ 
+@@ -28,18 +29,30 @@ void get_uds_io_factory(struct io_factory *factory)
+ }
+ 
+ static int get_block_device_from_name(const char *name,
+-				      struct block_device **bdev)
++				      struct bdev_handle **bdev_h)
+ {
+-	dev_t device = name_to_dev_t(name);
+-
+-	if (device != 0) {
+-		*bdev = blkdev_get_by_dev(device, BLK_FMODE, NULL);
++	dev_t device;
++	unsigned int major, minor;
++	char dummy;
++	const struct blk_holder_ops hops = { NULL };
++
++	/* Extract the major/minor numbers */
++	if (sscanf(name, "%u:%u%c", &major, &minor, &dummy) == 2) {
++		device = MKDEV(major, minor);
++		if (MAJOR(device) != major || MINOR(device) != minor) {
++			*bdev_h = NULL;
++			return uds_log_error_strerror(UDS_INVALID_ARGUMENT,
++						      "%s is not a valid block device",
++						      name);
++		}
++		*bdev_h = bdev_open_by_dev(device, BLK_FMODE, NULL, &hops);
+ 	} else {
+-		*bdev = blkdev_get_by_path(name, BLK_FMODE, NULL);
++		*bdev_h = bdev_open_by_path(name, BLK_FMODE, NULL, &hops);
+ 	}
+-	if (IS_ERR(*bdev)) {
+-		uds_log_error_strerror(-PTR_ERR(*bdev),
+-				       "%s is not a block device", name);
++
++	if (IS_ERR(*bdev_h)) {
++		uds_log_error_strerror(-PTR_ERR(*bdev_h), "%s is not a block device", name);
++		*bdev_h = NULL;
+ 		return UDS_INVALID_ARGUMENT;
+ 	}
+ 
+@@ -49,21 +62,22 @@ static int get_block_device_from_name(const char *name,
+ int make_uds_io_factory(const char *path, struct io_factory **factory_ptr)
+ {
+ 	int result;
+-	struct block_device *bdev;
++	struct bdev_handle *bdev_h;
+ 	struct io_factory *factory;
+ 
+-	result = get_block_device_from_name(path, &bdev);
++	result = get_block_device_from_name(path, &bdev_h);
+ 	if (result != UDS_SUCCESS) {
+ 		return result;
+ 	}
+ 
+ 	result = UDS_ALLOCATE(1, struct io_factory, __func__, &factory);
+ 	if (result != UDS_SUCCESS) {
+-		blkdev_put(bdev, BLK_FMODE);
++		bdev_release(bdev_h);
+ 		return result;
+ 	}
+ 
+-	factory->bdev = bdev;
++	factory->bdev_h = bdev_h;
++	factory->bdev = bdev_h->bdev;
+ 	atomic_set_release(&factory->ref_count, 1);
+ 
+ 	*factory_ptr = factory;
+@@ -73,22 +87,25 @@ int make_uds_io_factory(const char *path, struct io_factory **factory_ptr)
+ int replace_uds_storage(struct io_factory *factory, const char *path)
+ {
+ 	int result;
+-	struct block_device *bdev;
++	struct bdev_handle *bdev_h;
+ 
+-	result = get_block_device_from_name(path, &bdev);
++	result = get_block_device_from_name(path, &bdev_h);
+ 	if (result != UDS_SUCCESS) {
+ 		return result;
+ 	}
+ 
+-	blkdev_put(factory->bdev, BLK_FMODE);
+-	factory->bdev = bdev;
++	factory->bdev = NULL;
++	bdev_release(factory->bdev_h);
++	factory->bdev_h = bdev_h;
++	factory->bdev = bdev_h->bdev;
+ 	return UDS_SUCCESS;
+ }
+ 
+ void put_uds_io_factory(struct io_factory *factory)
+ {
+ 	if (atomic_add_return(-1, &factory->ref_count) <= 0) {
+-		blkdev_put(factory->bdev, BLK_FMODE);
++		factory->bdev=NULL;
++		bdev_release(factory->bdev_h);
+ 		UDS_FREE(factory);
+ 	}
+ }
+-- 
+2.33.0
+

01-add-riscv64-support.patch

@@ -0,0 +1,27 @@
+diff --git a/vdo/cpu.h b/vdo/cpu.h
+index e4b39c2b..ee449b7c 100644
+--- a/vdo/cpu.h
++++ b/vdo/cpu.h
+@@ -20,7 +20,7 @@
+ #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(__riscv)
+ #define CACHE_LINE_BYTES 64
+ #else
+ #error "unknown cache line size"
+diff --git a/vdo/volume.h b/vdo/volume.h
+index 3a9a8d5e..93f13a42 100644
+--- a/vdo/volume.h
++++ b/vdo/volume.h
+@@ -356,6 +356,9 @@ int __must_check get_volume_page(struct volume *volume,
+ 				 byte **data_ptr,
+ 				 struct delta_index_page **index_page_ptr);
+ 
++#if defined(__riscv)
++#define get_cache_size get_cache_size_alias
++#endif
+ size_t __must_check get_cache_size(struct volume *volume);
+ 
+ int __must_check

kvdo.spec

@@ -1,7 +1,7 @@
 #This spec is obtained from source code(kvdo-6.2.2.24.tar.gz)
-%define spec_release 1
+%define spec_release 5
 %define kmod_name		kmod-kvdo
-%define kmod_driver_version	8.1.0.316
+%define kmod_driver_version	8.2.1.2
 %define kmod_rpm_release	%{spec_release}
 %define kmod_kernel_version	3.10.0-693.el7
 
@@ -14,20 +14,17 @@ Release:	%{kmod_rpm_release}
 Summary:	Kernel Modules for Virtual Data Optimizer
 License:	GPLv2+
 URL:		http://github.com/dm-vdo/kvdo
-Source0:        https://github.com/dm-vdo/kvdo/archive/refs/tags/8.1.0.316.tar.gz
+Source0:        https://github.com/dm-vdo/kvdo/archive/refs/tags/%{kmod_driver_version}.tar.gz
+Patch1:         01-add-riscv64-support.patch
+Patch2:         0002-replace-kernel-obsolete-api.patch
+Patch3:         0001-add-loongarch64-support-for-kmod-kvdo.patch
 BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
 Requires:       dkms
 Requires:	kernel-devel >= %{kmod_kernel_version}
 Requires:       make
-ExclusiveArch:	x86_64
-ExclusiveArch:  aarch64
-ExcludeArch:    s390
-ExcludeArch:    s390x
-ExcludeArch:    ppc
-ExcludeArch:    ppc64
-ExcludeArch:    ppc64le
-ExcludeArch:    i686
+ExclusiveArch:	x86_64 aarch64 loongarch64 riscv64
+ExcludeArch:	s390 s390x ppc ppc64 ppc64le i686
 
 %description
 Virtual Data Optimizer (VDO) is a device mapper target that delivers
@@ -67,15 +64,12 @@ PACKAGE_NAME="kvdo"
 PACKAGE_VERSION="%{version}-%{kmod_rpm_release}"
 AUTOINSTALL="yes"
 
-BUILT_MODULE_NAME[0]="uds"
-BUILT_MODULE_LOCATION[0]="uds"
+BUILT_MODULE_NAME[0]="kvdo"
+BUILT_MODULE_LOCATION[0]="vdo"
 DEST_MODULE_LOCATION[0]="/kernel/drivers/block/"
+BUILD_DEPENDS[0]=LZ4_COMPRESS
+BUILD_DEPENDS[0]=LZ_DECOMPRESS
 STRIP[0]="no"
-
-BUILT_MODULE_NAME[1]="kvdo"
-BUILT_MODULE_LOCATION[1]="vdo"
-DEST_MODULE_LOCATION[1]="/kernel/drivers/block/"
-STRIP[1]="no"
 EOF
 
 %clean
@@ -86,6 +80,21 @@ rm -rf $RPM_BUILD_ROOT
 %{_usr}/src/%{kmod_name}-%{version}-%{kmod_rpm_release}/*
 
 %changelog
+* Fri Dec 13 2024 wangshuo <wangshuo@kylinos.cn> - 8.2.1.2-5
+- vdo/cpu.h: add loongarch64 support, fix dkms build error
+
+* Tue Mar 26 2024 Ge Wang <wang__ge@126.com> - 8.2.1.2-4
+- Replace kernel obsolete api
+
+* Wed Apr 12 2023 laokz <zhangkai@iscas.ac.cn> - 8.2.1.2-3
+- Add riscv64 support
+
+* Thu Feb 16 2023 Wenlong Zhang<zhangwenlong@loongson.cn> - 8.2.1.2-2
+- Add loongarch64 support
+
+* Thu Feb 02 2023 Ge Wang <wangge20@huawei.com> - 8.2.1.2-1
+- Upgrade kmod-kvdo to 8.2.1.2
+
 * Wed Dec 29 2021 yaoxin <yaoxin30@huawei.com> - 8.1.0.316-1
 - Upgrade kmod-kvdo to 8.1.0.316