diff options
| author | Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> | 2024-06-07 14:53:06 +0100 |
|---|---|---|
| committer | Fabiano Rosas <farosas@suse.de> | 2024-06-14 14:01:29 -0300 |
| commit | f3d8bb759d13a2e33389f00fa338d0761309029a (patch) | |
| tree | 80f0161bdaf37eaafa263cc376d0aa055714df71 /migration | |
| parent | cfc589a89b31930d9d658f4b0b6c4e6f33280e10 (diff) | |
| download | qemu-f3d8bb759d13a2e33389f00fa338d0761309029a.zip qemu-f3d8bb759d13a2e33389f00fa338d0761309029a.tar.gz qemu-f3d8bb759d13a2e33389f00fa338d0761309029a.tar.bz2 | |
migration/multifd: add uadk compression framework
Adds the skeleton to support uadk compression method.
Complete functionality will be added in subsequent patches.
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/meson.build | 1 | ||||
| -rw-r--r-- | migration/multifd-uadk.c | 20 | ||||
| -rw-r--r-- | migration/multifd.h | 5 |
3 files changed, 24 insertions, 2 deletions
diff --git a/migration/meson.build b/migration/meson.build index 5f146fe..5ce2acb4 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -40,6 +40,7 @@ endif 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')) specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: files('ram.c', diff --git a/migration/multifd-uadk.c b/migration/multifd-uadk.c new file mode 100644 index 0000000..c2bb075 --- /dev/null +++ b/migration/multifd-uadk.c @@ -0,0 +1,20 @@ +/* + * Multifd UADK compression accelerator implementation + * + * Copyright (c) 2024 Huawei Technologies R & D (UK) Ltd + * + * Authors: + * Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> + * + * 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 "qemu/module.h" + +static void multifd_uadk_register(void) +{ + /* noop for now */ +} +migration_init(multifd_uadk_register); diff --git a/migration/multifd.h b/migration/multifd.h index 5b7d9b1..0ecd6f4 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -34,13 +34,14 @@ MultiFDRecvData *multifd_get_recv_data(void); /* Multifd Compression flags */ #define MULTIFD_FLAG_SYNC (1 << 0) -/* We reserve 3 bits for compression methods */ -#define MULTIFD_FLAG_COMPRESSION_MASK (7 << 1) +/* We reserve 4 bits for compression methods */ +#define MULTIFD_FLAG_COMPRESSION_MASK (0xf << 1) /* we need to be compatible. Before compression value was 0 */ #define MULTIFD_FLAG_NOCOMP (0 << 1) #define MULTIFD_FLAG_ZLIB (1 << 1) #define MULTIFD_FLAG_ZSTD (2 << 1) #define MULTIFD_FLAG_QPL (4 << 1) +#define MULTIFD_FLAG_UADK (8 << 1) /* This value needs to be a multiple of qemu_target_page_size() */ #define MULTIFD_PACKET_SIZE (512 * 1024) |