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envelope-from=yichen.wang@bytedance.com; helo=mail-oa1-x35.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Bryan Zhang Add a 'qatzip' feature, which is automatically disabled, and which depends on the QATzip library if enabled. Signed-off-by: Bryan Zhang Signed-off-by: Hao Xiang Signed-off-by: Yichen Wang --- meson.build | 10 ++++++++++ meson_options.txt | 2 ++ scripts/meson-buildoptions.sh | 6 ++++++ 3 files changed, 18 insertions(+) diff --git a/meson.build b/meson.build index 97e00d6f59..009f07f506 100644 --- a/meson.build +++ b/meson.build @@ -1219,6 +1219,14 @@ if not get_option('uadk').auto() or have_system uadk = declare_dependency(dependencies: [libwd, libwd_comp]) endif endif + +qatzip = not_found +if get_option('qatzip').enabled() + qatzip = dependency('qatzip', version: '>=1.1.2', + required: get_option('qatzip'), + method: 'pkg-config') +endif + virgl = not_found have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found() @@ -2353,6 +2361,7 @@ config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id) config_host_data.set('CONFIG_ZSTD', zstd.found()) config_host_data.set('CONFIG_QPL', qpl.found()) config_host_data.set('CONFIG_UADK', uadk.found()) +config_host_data.set('CONFIG_QATZIP', qatzip.found()) config_host_data.set('CONFIG_FUSE', fuse.found()) config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found()) config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found()) @@ -4468,6 +4477,7 @@ summary_info += {'lzfse support': liblzfse} summary_info += {'zstd support': zstd} summary_info += {'Query Processing Library support': qpl} summary_info += {'UADK Library support': uadk} +summary_info += {'qatzip support': qatzip} summary_info += {'NUMA host support': numa} summary_info += {'capstone': capstone} summary_info += {'libpmem support': libpmem} diff --git a/meson_options.txt b/meson_options.txt index 7a79dd8970..3670e5058b 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -263,6 +263,8 @@ option('qpl', type : 'feature', value : 'auto', description: 'Query Processing Library support') option('uadk', type : 'feature', value : 'auto', description: 'UADK Library support') +option('qatzip', type: 'feature', value: 'disabled', + description: 'QATzip compression support') option('fuse', type: 'feature', value: 'auto', description: 'FUSE block device export') option('fuse_lseek', type : 'feature', value : 'auto', diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh index 58d49a447d..226605249e 100644 --- a/scripts/meson-buildoptions.sh +++ b/scripts/meson-buildoptions.sh @@ -162,6 +162,8 @@ meson_options_help() { printf "%s\n" ' pixman pixman support' printf "%s\n" ' plugins TCG plugins via shared library loading' printf "%s\n" ' png PNG support with libpng' + printf "%s\n" ' pvrdma Enable PVRDMA support' + printf "%s\n" ' qatzip QATzip compression support' printf "%s\n" ' qcow1 qcow1 image format support' printf "%s\n" ' qed qed image format support' printf "%s\n" ' qga-vss build QGA VSS support (broken with MinGW)' @@ -428,6 +430,10 @@ _meson_option_parse() { --enable-png) printf "%s" -Dpng=enabled ;; --disable-png) printf "%s" -Dpng=disabled ;; --prefix=*) quote_sh "-Dprefix=$2" ;; + --enable-pvrdma) printf "%s" -Dpvrdma=enabled ;; + --disable-pvrdma) printf "%s" -Dpvrdma=disabled ;; + --enable-qatzip) printf "%s" -Dqatzip=enabled ;; + --disable-qatzip) printf "%s" -Dqatzip=disabled ;; --enable-qcow1) printf "%s" -Dqcow1=enabled ;; --disable-qcow1) printf "%s" -Dqcow1=disabled ;; --enable-qed) printf "%s" -Dqed=enabled ;; From patchwork Thu Jun 27 22:34:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yichen Wang X-Patchwork-Id: 1953602 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bytedance.com header.i=@bytedance.com header.a=rsa-sha256 header.s=google header.b=QnExCvuy; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; 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Thu, 27 Jun 2024 15:34:50 -0700 (PDT) From: Yichen Wang To: Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Peter Xu , Fabiano Rosas , Eric Blake , Markus Armbruster , Laurent Vivier , qemu-devel@nongnu.org Cc: "Hao Xiang" , "Liu, Yuan1" , "Zou, Nanhai" , "Ho-Ren (Jack) Chuang" , Yichen Wang , Bryan Zhang Subject: [PATCH v3 2/4] migration: Add migration parameters for QATzip Date: Thu, 27 Jun 2024 15:34:43 -0700 Message-Id: <20240627223445.95096-3-yichen.wang@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20240627223445.95096-1-yichen.wang@bytedance.com> References: <20240627223445.95096-1-yichen.wang@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=yichen.wang@bytedance.com; helo=mail-pf1-x434.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Bryan Zhang Adds support for migration parameters to control QATzip compression level and to enable/disable software fallback when QAT hardware is unavailable. This is a preparatory commit for a subsequent commit that will actually use QATzip compression. Signed-off-by: Bryan Zhang Signed-off-by: Hao Xiang Signed-off-by: Yichen Wang --- migration/migration-hmp-cmds.c | 8 +++++ migration/options.c | 57 ++++++++++++++++++++++++++++++++++ migration/options.h | 2 ++ qapi/migration.json | 35 +++++++++++++++++++++ 4 files changed, 102 insertions(+) diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index 7d608d26e1..664e2390a3 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -576,6 +576,14 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) p->has_multifd_zlib_level = true; visit_type_uint8(v, param, &p->multifd_zlib_level, &err); break; + case MIGRATION_PARAMETER_MULTIFD_QATZIP_LEVEL: + p->has_multifd_qatzip_level = true; + visit_type_uint8(v, param, &p->multifd_qatzip_level, &err); + break; + case MIGRATION_PARAMETER_MULTIFD_QATZIP_SW_FALLBACK: + p->has_multifd_qatzip_sw_fallback = true; + visit_type_bool(v, param, &p->multifd_qatzip_sw_fallback, &err); + break; case MIGRATION_PARAMETER_MULTIFD_ZSTD_LEVEL: p->has_multifd_zstd_level = true; visit_type_uint8(v, param, &p->multifd_zstd_level, &err); diff --git a/migration/options.c b/migration/options.c index 645f55003d..334d70fb6d 100644 --- a/migration/options.c +++ b/migration/options.c @@ -55,6 +55,15 @@ #define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE /* 0: means nocompress, 1: best speed, ... 9: best compress ratio */ #define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1 +/* + * 1: best speed, ... 9: best compress ratio + * There is some nuance here. Refer to QATzip documentation to understand + * the mapping of QATzip levels to standard deflate levels. + */ +#define DEFAULT_MIGRATE_MULTIFD_QATZIP_LEVEL 1 +/* QATzip's SW fallback implementation is extremely slow, so avoid fallback */ +#define DEFAULT_MIGRATE_MULTIFD_QATZIP_SW_FALLBACK false + /* 0: means nocompress, 1: best speed, ... 20: best compress ratio */ #define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1 @@ -123,6 +132,12 @@ Property migration_properties[] = { DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState, parameters.multifd_zlib_level, DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL), + DEFINE_PROP_UINT8("multifd-qatzip-level", MigrationState, + parameters.multifd_qatzip_level, + DEFAULT_MIGRATE_MULTIFD_QATZIP_LEVEL), + DEFINE_PROP_BOOL("multifd-qatzip-sw-fallback", MigrationState, + parameters.multifd_qatzip_sw_fallback, + DEFAULT_MIGRATE_MULTIFD_QATZIP_SW_FALLBACK), DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState, parameters.multifd_zstd_level, DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL), @@ -787,6 +802,20 @@ int migrate_multifd_zlib_level(void) return s->parameters.multifd_zlib_level; } +int migrate_multifd_qatzip_level(void) +{ + MigrationState *s = migrate_get_current(); + + return s->parameters.multifd_qatzip_level; +} + +bool migrate_multifd_qatzip_sw_fallback(void) +{ + MigrationState *s = migrate_get_current(); + + return s->parameters.multifd_qatzip_sw_fallback; +} + int migrate_multifd_zstd_level(void) { MigrationState *s = migrate_get_current(); @@ -892,6 +921,11 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->multifd_compression = s->parameters.multifd_compression; params->has_multifd_zlib_level = true; params->multifd_zlib_level = s->parameters.multifd_zlib_level; + params->has_multifd_qatzip_level = true; + params->multifd_qatzip_level = s->parameters.multifd_qatzip_level; + params->has_multifd_qatzip_sw_fallback = true; + params->multifd_qatzip_sw_fallback = + s->parameters.multifd_qatzip_sw_fallback; params->has_multifd_zstd_level = true; params->multifd_zstd_level = s->parameters.multifd_zstd_level; params->has_xbzrle_cache_size = true; @@ -946,6 +980,8 @@ void migrate_params_init(MigrationParameters *params) params->has_multifd_channels = true; params->has_multifd_compression = true; params->has_multifd_zlib_level = true; + params->has_multifd_qatzip_level = true; + params->has_multifd_qatzip_sw_fallback = true; params->has_multifd_zstd_level = true; params->has_xbzrle_cache_size = true; params->has_max_postcopy_bandwidth = true; @@ -1038,6 +1074,14 @@ bool migrate_params_check(MigrationParameters *params, Error **errp) return false; } + if (params->has_multifd_qatzip_level && + ((params->multifd_qatzip_level > 9) || + (params->multifd_qatzip_level < 1))) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_qatzip_level", + "a value between 1 and 9"); + return false; + } + if (params->has_multifd_zstd_level && (params->multifd_zstd_level > 20)) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_zstd_level", @@ -1195,6 +1239,12 @@ static void migrate_params_test_apply(MigrateSetParameters *params, if (params->has_multifd_compression) { dest->multifd_compression = params->multifd_compression; } + if (params->has_multifd_qatzip_level) { + dest->multifd_qatzip_level = params->multifd_qatzip_level; + } + if (params->has_multifd_qatzip_sw_fallback) { + dest->multifd_qatzip_sw_fallback = params->multifd_qatzip_sw_fallback; + } if (params->has_multifd_zlib_level) { dest->multifd_zlib_level = params->multifd_zlib_level; } @@ -1315,6 +1365,13 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp) if (params->has_multifd_compression) { s->parameters.multifd_compression = params->multifd_compression; } + if (params->has_multifd_qatzip_level) { + s->parameters.multifd_qatzip_level = params->multifd_qatzip_level; + } + if (params->has_multifd_qatzip_sw_fallback) { + s->parameters.multifd_qatzip_sw_fallback = + params->multifd_qatzip_sw_fallback; + } if (params->has_multifd_zlib_level) { s->parameters.multifd_zlib_level = params->multifd_zlib_level; } diff --git a/migration/options.h b/migration/options.h index a2397026db..24d98c6a29 100644 --- a/migration/options.h +++ b/migration/options.h @@ -78,6 +78,8 @@ uint64_t migrate_max_postcopy_bandwidth(void); int migrate_multifd_channels(void); MultiFDCompression migrate_multifd_compression(void); int migrate_multifd_zlib_level(void); +int migrate_multifd_qatzip_level(void); +bool migrate_multifd_qatzip_sw_fallback(void); int migrate_multifd_zstd_level(void); uint8_t migrate_throttle_trigger_threshold(void); const char *migrate_tls_authz(void); diff --git a/qapi/migration.json b/qapi/migration.json index 0f24206bce..8c9f2a8aa7 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -789,6 +789,16 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# +# @multifd-qatzip-sw-fallback: Enable software fallback if QAT hardware +# is unavailable. Defaults to false. Software fallback performance +# is very poor compared to regular zlib, so be cautious about +# enabling this option. (Since 9.1) +# # @multifd-zstd-level: Set the compression level to be used in live # migration, the compression level is an integer between 0 and 20, # where 0 means no compression, 1 means the best compression @@ -849,6 +859,7 @@ 'xbzrle-cache-size', 'max-postcopy-bandwidth', 'max-cpu-throttle', 'multifd-compression', 'multifd-zlib-level', 'multifd-zstd-level', + 'multifd-qatzip-level', 'multifd-qatzip-sw-fallback', 'block-bitmap-mapping', { 'name': 'x-vcpu-dirty-limit-period', 'features': ['unstable'] }, 'vcpu-dirty-limit', @@ -964,6 +975,16 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# +# @multifd-qatzip-sw-fallback: Enable software fallback if QAT hardware +# is unavailable. Defaults to false. Software fallback performance +# is very poor compared to regular zlib, so be cautious about +# enabling this option. (Since 9.1) +# # @multifd-zstd-level: Set the compression level to be used in live # migration, the compression level is an integer between 0 and 20, # where 0 means no compression, 1 means the best compression @@ -1037,6 +1058,8 @@ '*max-cpu-throttle': 'uint8', '*multifd-compression': 'MultiFDCompression', '*multifd-zlib-level': 'uint8', + '*multifd-qatzip-level': 'uint8', + '*multifd-qatzip-sw-fallback': 'bool', '*multifd-zstd-level': 'uint8', '*block-bitmap-mapping': [ 'BitmapMigrationNodeAlias' ], '*x-vcpu-dirty-limit-period': { 'type': 'uint64', @@ -1168,6 +1191,16 @@ # speed, and 9 means best compression ratio which will consume # more CPU. Defaults to 1. (Since 5.0) # +# @multifd-qatzip-level: Set the compression level to be used in live +# migration. The level is an integer between 1 and 9, where 1 means +# the best compression speed, and 9 means the best compression +# ratio which will consume more CPU. Defaults to 1. (Since 9.1) +# +# @multifd-qatzip-sw-fallback: Enable software fallback if QAT hardware +# is unavailable. Defaults to false. Software fallback performance +# is very poor compared to regular zlib, so be cautious about +# enabling this option. (Since 9.1) +# # @multifd-zstd-level: Set the compression level to be used in live # migration, the compression level is an integer between 0 and 20, # where 0 means no compression, 1 means the best compression @@ -1238,6 +1271,8 @@ '*max-cpu-throttle': 'uint8', '*multifd-compression': 'MultiFDCompression', '*multifd-zlib-level': 'uint8', + '*multifd-qatzip-level': 'uint8', + '*multifd-qatzip-sw-fallback': 'bool', '*multifd-zstd-level': 'uint8', '*block-bitmap-mapping': [ 'BitmapMigrationNodeAlias' ], '*x-vcpu-dirty-limit-period': { 'type': 'uint64', From patchwork Thu Jun 27 22:34:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yichen Wang X-Patchwork-Id: 1953601 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bytedance.com header.i=@bytedance.com header.a=rsa-sha256 header.s=google header.b=HbVvcqvq; 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Thu, 27 Jun 2024 15:34:52 -0700 (PDT) From: Yichen Wang To: Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Peter Xu , Fabiano Rosas , Eric Blake , Markus Armbruster , Laurent Vivier , qemu-devel@nongnu.org Cc: "Hao Xiang" , "Liu, Yuan1" , "Zou, Nanhai" , "Ho-Ren (Jack) Chuang" , Yichen Wang , Bryan Zhang Subject: [PATCH v3 3/4] migration: Introduce 'qatzip' compression method Date: Thu, 27 Jun 2024 15:34:44 -0700 Message-Id: <20240627223445.95096-4-yichen.wang@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20240627223445.95096-1-yichen.wang@bytedance.com> References: <20240627223445.95096-1-yichen.wang@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::22a; envelope-from=yichen.wang@bytedance.com; helo=mail-oi1-x22a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Bryan Zhang Adds support for 'qatzip' as an option for the multifd compression method parameter, and implements using QAT for 'qatzip' compression and decompression. Signed-off-by: Bryan Zhang Signed-off-by: Hao Xiang Signed-off-by: Yichen Wang --- hw/core/qdev-properties-system.c | 6 +- migration/meson.build | 1 + migration/multifd-qatzip.c | 382 +++++++++++++++++++++++++++++++ migration/multifd.h | 1 + qapi/migration.json | 3 + tests/qtest/meson.build | 4 + 6 files changed, 396 insertions(+), 1 deletion(-) create mode 100644 migration/multifd-qatzip.c diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index f13350b4fb..eb50d6ec5b 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -659,7 +659,11 @@ const PropertyInfo qdev_prop_fdc_drive_type = { const PropertyInfo qdev_prop_multifd_compression = { .name = "MultiFDCompression", .description = "multifd_compression values, " - "none/zlib/zstd/qpl/uadk", + "none/zlib/zstd/qpl/uadk" +#ifdef CONFIG_QATZIP + "/qatzip" +#endif + , .enum_table = &MultiFDCompression_lookup, .get = qdev_propinfo_get_enum, .set = qdev_propinfo_set_enum, diff --git a/migration/meson.build b/migration/meson.build index 5ce2acb41e..c9454c26ae 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -41,6 +41,7 @@ system_ss.add(when: rdma, if_true: files('rdma.c')) system_ss.add(when: zstd, if_true: files('multifd-zstd.c')) system_ss.add(when: qpl, if_true: files('multifd-qpl.c')) system_ss.add(when: uadk, if_true: files('multifd-uadk.c')) +system_ss.add(when: qatzip, if_true: files('multifd-qatzip.c')) specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: files('ram.c', diff --git a/migration/multifd-qatzip.c b/migration/multifd-qatzip.c new file mode 100644 index 0000000000..19e54889dc --- /dev/null +++ b/migration/multifd-qatzip.c @@ -0,0 +1,382 @@ +/* + * Multifd QATzip compression implementation + * + * Copyright (c) Bytedance + * + * Authors: + * Bryan Zhang + * Hao Xiang + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "exec/ramblock.h" +#include "exec/target_page.h" +#include "qapi/error.h" +#include "migration.h" +#include "options.h" +#include "multifd.h" +#include + +struct qatzip_data { + /* + * Unique session for use with QATzip API + */ + QzSession_T sess; + + /* + * For compression: Buffer for pages to compress + * For decompression: Buffer for data to decompress + */ + uint8_t *in_buf; + uint32_t in_len; + + /* + * For compression: Output buffer of compressed data + * For decompression: Output buffer of decompressed data + */ + uint8_t *out_buf; + uint32_t out_len; +}; + +/** + * qatzip_send_setup: Set up QATzip session and private buffers. + * + * @param p Multifd channel params + * @param errp Pointer to error, which will be set in case of error + * @return 0 on success, -1 on error (and *errp will be set) + */ +static int qatzip_send_setup(MultiFDSendParams *p, Error **errp) +{ + struct qatzip_data *q; + QzSessionParamsDeflate_T params; + const char *err_msg; + int ret; + int sw_fallback; + + q = g_new0(struct qatzip_data, 1); + p->compress_data = q; + + sw_fallback = 0; + if (migrate_multifd_qatzip_sw_fallback()) { + sw_fallback = 1; + } + + ret = qzInit(&q->sess, sw_fallback); + if (ret != QZ_OK && ret != QZ_DUPLICATE) { + err_msg = "qzInit failed"; + goto err_free_q; + } + + ret = qzGetDefaultsDeflate(¶ms); + if (ret != QZ_OK) { + err_msg = "qzGetDefaultsDeflate failed"; + goto err_close; + } + + /* Make sure to use configured QATzip compression level. */ + params.common_params.comp_lvl = migrate_multifd_qatzip_level(); + + ret = qzSetupSessionDeflate(&q->sess, ¶ms); + if (ret != QZ_OK && ret != QZ_DUPLICATE) { + err_msg = "qzSetupSessionDeflate failed"; + goto err_close; + } + + /* TODO Add support for larger packets. */ + if (MULTIFD_PACKET_SIZE > UINT32_MAX) { + err_msg = "packet size too large for QAT"; + goto err_close; + } + + q->in_len = MULTIFD_PACKET_SIZE; + q->in_buf = qzMalloc(q->in_len, 0, PINNED_MEM); + if (!q->in_buf) { + err_msg = "qzMalloc failed"; + goto err_close; + } + + q->out_len = qzMaxCompressedLength(MULTIFD_PACKET_SIZE, &q->sess); + q->out_buf = qzMalloc(q->out_len, 0, PINNED_MEM); + if (!q->out_buf) { + err_msg = "qzMalloc failed"; + goto err_free_inbuf; + } + + return 0; + +err_free_inbuf: + qzFree(q->in_buf); +err_close: + qzClose(&q->sess); +err_free_q: + g_free(q); + error_setg(errp, "multifd %u: %s", p->id, err_msg); + return -1; +} + +/** + * qatzip_send_cleanup: Tear down QATzip session and release private buffers. + * + * @param p Multifd channel params + * @param errp Pointer to error, which will be set in case of error + * @return None + */ +static void qatzip_send_cleanup(MultiFDSendParams *p, Error **errp) +{ + struct qatzip_data *q = p->compress_data; + const char *err_msg; + int ret; + + ret = qzTeardownSession(&q->sess); + if (ret != QZ_OK) { + err_msg = "qzTeardownSession failed"; + goto err; + } + + ret = qzClose(&q->sess); + if (ret != QZ_OK) { + err_msg = "qzClose failed"; + goto err; + } + + qzFree(q->in_buf); + q->in_buf = NULL; + qzFree(q->out_buf); + q->out_buf = NULL; + g_free(p->compress_data); + p->compress_data = NULL; + return; + +err: + error_setg(errp, "multifd %u: %s", p->id, err_msg); +} + +/** + * qatzip_send_prepare: Compress pages and update IO channel info. + * + * @param p Multifd channel params + * @param errp Pointer to error, which will be set in case of error + * @return 0 on success, -1 on error (and *errp will be set) + */ +static int qatzip_send_prepare(MultiFDSendParams *p, Error **errp) +{ + MultiFDPages_t *pages = p->pages; + struct qatzip_data *q = p->compress_data; + int ret; + unsigned int in_len, out_len; + + multifd_send_prepare_header(p); + + /* memcpy all the pages into one buffer. */ + for (int i = 0; i < pages->num; i++) { + memcpy(q->in_buf + (i * p->page_size), + p->pages->block->host + pages->offset[i], + p->page_size); + } + + in_len = pages->num * p->page_size; + if (in_len > q->in_len) { + error_setg(errp, "multifd %u: unexpectedly large input", p->id); + return -1; + } + out_len = q->out_len; + + /* + * Unlike other multifd compression implementations, we use a non-streaming + * API and place all the data into one buffer, rather than sending each page + * to the compression API at a time. Based on initial benchmarks, the + * non-streaming API outperforms the streaming API. Plus, the logic in QEMU + * is friendly to using the non-streaming API anyway. If either of these + * statements becomes no longer true, we can revisit adding a streaming + * implementation. + */ + ret = qzCompress(&q->sess, q->in_buf, &in_len, q->out_buf, &out_len, 1); + if (ret != QZ_OK) { + error_setg(errp, "multifd %u: QATzip returned %d instead of QZ_OK", + p->id, ret); + return -1; + } + if (in_len != pages->num * p->page_size) { + error_setg(errp, "multifd %u: QATzip failed to compress all input", + p->id); + return -1; + } + + p->iov[p->iovs_num].iov_base = q->out_buf; + p->iov[p->iovs_num].iov_len = out_len; + p->iovs_num++; + p->next_packet_size = out_len; + p->flags |= MULTIFD_FLAG_QATZIP; + + multifd_send_fill_packet(p); + + return 0; +} + +/** + * qatzip_recv_setup: Set up QATzip session and allocate private buffers. + * + * @param p Multifd channel params + * @param errp Pointer to error, which will be set in case of error + * @return 0 on success, -1 on error (and *errp will be set) + */ +static int qatzip_recv_setup(MultiFDRecvParams *p, Error **errp) +{ + struct qatzip_data *q; + QzSessionParamsDeflate_T params; + const char *err_msg; + int ret; + int sw_fallback; + + q = g_new0(struct qatzip_data, 1); + p->compress_data = q; + + sw_fallback = 0; + if (migrate_multifd_qatzip_sw_fallback()) { + sw_fallback = 1; + } + + ret = qzInit(&q->sess, sw_fallback); + if (ret != QZ_OK && ret != QZ_DUPLICATE) { + err_msg = "qzInit failed"; + goto err_free_q; + } + + ret = qzGetDefaultsDeflate(¶ms); + if (ret != QZ_OK) { + err_msg = "qzGetDefaultsDeflate failed"; + goto err_close; + } + + /* Make sure to use configured QATzip compression level. */ + params.common_params.comp_lvl = migrate_multifd_qatzip_level(); + + ret = qzSetupSessionDeflate(&q->sess, ¶ms); + if (ret != QZ_OK && ret != QZ_DUPLICATE) { + err_msg = "qzSetupSessionDeflate failed"; + goto err_close; + } + + /* + * Mimic multifd-zlib, which reserves extra space for the + * incoming packet. + */ + q->in_len = MULTIFD_PACKET_SIZE * 2; + q->in_buf = qzMalloc(q->in_len, 0, PINNED_MEM); + if (!q->in_buf) { + err_msg = "qzMalloc failed"; + goto err_close; + } + + q->out_len = MULTIFD_PACKET_SIZE; + q->out_buf = qzMalloc(q->out_len, 0, PINNED_MEM); + if (!q->out_buf) { + err_msg = "qzMalloc failed"; + goto err_free_inbuf; + } + + return 0; + +err_free_inbuf: + qzFree(q->in_buf); +err_close: + qzClose(&q->sess); +err_free_q: + g_free(q); + error_setg(errp, "multifd %u: %s", p->id, err_msg); + return -1; +} + +/** + * qatzip_recv_cleanup: Tear down QATzip session and release private buffers. + * + * @param p Multifd channel params + * @return None + */ +static void qatzip_recv_cleanup(MultiFDRecvParams *p) +{ + struct qatzip_data *q = p->compress_data; + + /* Ignoring return values here due to function signature. */ + qzTeardownSession(&q->sess); + qzClose(&q->sess); + qzFree(q->in_buf); + qzFree(q->out_buf); + g_free(p->compress_data); +} + + +/** + * qatzip_recv: Decompress pages and copy them to the appropriate + * locations. + * + * @param p Multifd channel params + * @param errp Pointer to error, which will be set in case of error + * @return 0 on success, -1 on error (and *errp will be set) + */ +static int qatzip_recv(MultiFDRecvParams *p, Error **errp) +{ + struct qatzip_data *q = p->compress_data; + int ret; + unsigned int in_len, out_len; + uint32_t in_size = p->next_packet_size; + uint32_t expected_size = p->normal_num * p->page_size; + uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK; + + if (in_size > q->in_len) { + error_setg(errp, "multifd %u: received unexpectedly large packet", + p->id); + return -1; + } + + if (flags != MULTIFD_FLAG_QATZIP) { + error_setg(errp, "multifd %u: flags received %x flags expected %x", + p->id, flags, MULTIFD_FLAG_QATZIP); + return -1; + } + + ret = qio_channel_read_all(p->c, (void *)q->in_buf, in_size, errp); + if (ret != 0) { + return ret; + } + + in_len = in_size; + out_len = q->out_len; + ret = qzDecompress(&q->sess, q->in_buf, &in_len, q->out_buf, &out_len); + if (ret != QZ_OK) { + error_setg(errp, "multifd %u: qzDecompress failed", p->id); + return -1; + } + if (out_len != expected_size) { + error_setg(errp, "multifd %u: packet size received %u size expected %u", + p->id, out_len, expected_size); + return -1; + } + + /* Copy each page to its appropriate location. */ + for (int i = 0; i < p->normal_num; i++) { + memcpy(p->host + p->normal[i], + q->out_buf + p->page_size * i, + p->page_size); + } + return 0; +} + +static MultiFDMethods multifd_qatzip_ops = { + .send_setup = qatzip_send_setup, + .send_cleanup = qatzip_send_cleanup, + .send_prepare = qatzip_send_prepare, + .recv_setup = qatzip_recv_setup, + .recv_cleanup = qatzip_recv_cleanup, + .recv = qatzip_recv +}; + +static void multifd_qatzip_register(void) +{ + multifd_register_ops(MULTIFD_COMPRESSION_QATZIP, &multifd_qatzip_ops); +} + +migration_init(multifd_qatzip_register); diff --git a/migration/multifd.h b/migration/multifd.h index 0ecd6f47d7..2a3b904675 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -40,6 +40,7 @@ MultiFDRecvData *multifd_get_recv_data(void); #define MULTIFD_FLAG_NOCOMP (0 << 1) #define MULTIFD_FLAG_ZLIB (1 << 1) #define MULTIFD_FLAG_ZSTD (2 << 1) +#define MULTIFD_FLAG_QATZIP (3 << 1) #define MULTIFD_FLAG_QPL (4 << 1) #define MULTIFD_FLAG_UADK (8 << 1) diff --git a/qapi/migration.json b/qapi/migration.json index 8c9f2a8aa7..ea62f983b1 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -558,6 +558,8 @@ # # @zstd: use zstd compression method. # +# @qatzip: use qatzip compression method. (Since 9.1) +# # @qpl: use qpl compression method. Query Processing Library(qpl) is # based on the deflate compression algorithm and use the Intel # In-Memory Analytics Accelerator(IAA) accelerated compression @@ -570,6 +572,7 @@ { 'enum': 'MultiFDCompression', 'data': [ 'none', 'zlib', { 'name': 'zstd', 'if': 'CONFIG_ZSTD' }, + { 'name': 'qatzip', 'if': 'CONFIG_QATZIP'}, { 'name': 'qpl', 'if': 'CONFIG_QPL' }, { 'name': 'uadk', 'if': 'CONFIG_UADK' } ] } diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 12792948ff..23e46144d7 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -324,6 +324,10 @@ if gnutls.found() endif endif +if qatzip.found() + migration_files += [qatzip] +endif + qtests = { 'bios-tables-test': [io, 'boot-sector.c', 'acpi-utils.c', 'tpm-emu.c'], 'cdrom-test': files('boot-sector.c'), From patchwork Thu Jun 27 22:34:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yichen Wang X-Patchwork-Id: 1953599 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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envelope-from=yichen.wang@bytedance.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Bryan Zhang Adds an integration test for 'qatzip'. Signed-off-by: Bryan Zhang Signed-off-by: Hao Xiang Signed-off-by: Yichen Wang Reviewed-by: Fabiano Rosas --- tests/qtest/migration-test.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 571fc1334c..cc4a971e63 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -32,6 +32,10 @@ # endif /* CONFIG_TASN1 */ #endif /* CONFIG_GNUTLS */ +#ifdef CONFIG_QATZIP +#include +#endif /* CONFIG_QATZIP */ + /* For dirty ring test; so far only x86_64 is supported */ #if defined(__linux__) && defined(HOST_X86_64) #include "linux/kvm.h" @@ -2992,6 +2996,22 @@ test_migrate_precopy_tcp_multifd_zstd_start(QTestState *from, } #endif /* CONFIG_ZSTD */ +#ifdef CONFIG_QATZIP +static void * +test_migrate_precopy_tcp_multifd_qatzip_start(QTestState *from, + QTestState *to) +{ + migrate_set_parameter_int(from, "multifd-qatzip-level", 2); + migrate_set_parameter_int(to, "multifd-qatzip-level", 2); + + /* SW fallback is disabled by default, so enable it for testing. */ + migrate_set_parameter_bool(from, "multifd-qatzip-sw-fallback", true); + migrate_set_parameter_bool(to, "multifd-qatzip-sw-fallback", true); + + return test_migrate_precopy_tcp_multifd_start_common(from, to, "qatzip"); +} +#endif + #ifdef CONFIG_QPL static void * test_migrate_precopy_tcp_multifd_qpl_start(QTestState *from, @@ -3089,6 +3109,17 @@ static void test_multifd_tcp_zstd(void) } #endif +#ifdef CONFIG_QATZIP +static void test_multifd_tcp_qatzip(void) +{ + MigrateCommon args = { + .listen_uri = "defer", + .start_hook = test_migrate_precopy_tcp_multifd_qatzip_start, + }; + test_precopy_common(&args); +} +#endif + #ifdef CONFIG_QPL static void test_multifd_tcp_qpl(void) { @@ -4002,6 +4033,10 @@ int main(int argc, char **argv) migration_test_add("/migration/multifd/tcp/plain/zstd", test_multifd_tcp_zstd); #endif +#ifdef CONFIG_QATZIP + migration_test_add("/migration/multifd/tcp/plain/qatzip", + test_multifd_tcp_qatzip); +#endif #ifdef CONFIG_QPL migration_test_add("/migration/multifd/tcp/plain/qpl", test_multifd_tcp_qpl);