Yuan Liu <yuan1....@intel.com> writes:
> when starting multifd live migration, if the compression method is
> enabled, compression method can be accelerated using accelerators.
>
> Signed-off-by: Yuan Liu <yuan1....@intel.com>
> Reviewed-by: Nanhai Zou <nanhai....@intel.com>
> ---
> migration/multifd.c | 38 ++++++++++++++++++++++++++++++++++++--
> migration/multifd.h | 8 ++++++++
> 2 files changed, 44 insertions(+), 2 deletions(-)
>
> diff --git a/migration/multifd.c b/migration/multifd.c
> index 1fe53d3b98..7149e67867 100644
> --- a/migration/multifd.c
> +++ b/migration/multifd.c
> @@ -165,6 +165,34 @@ static MultiFDMethods multifd_nocomp_ops = {
> static MultiFDMethods *multifd_ops[MULTIFD_COMPRESSION__MAX] = {
> [MULTIFD_COMPRESSION_NONE] = &multifd_nocomp_ops,
> };
> +static MultiFDAccelMethods
> *accel_multifd_ops[MULTIFD_COMPRESSION_ACCEL__MAX];
> +
> +static MultiFDMethods *get_multifd_ops(void)
> +{
> + MultiFDCompression comp = migrate_multifd_compression();
> + MultiFDCompressionAccel accel = migrate_multifd_compression_accel();
> +
> + if (comp == MULTIFD_COMPRESSION_NONE ||
> + accel == MULTIFD_COMPRESSION_ACCEL_NONE) {
> + return multifd_ops[comp];
> + }
> + if (accel == MULTIFD_COMPRESSION_ACCEL_AUTO) {
> + for (int i = 0; i < MULTIFD_COMPRESSION_ACCEL__MAX; i++) {
> + if (accel_multifd_ops[i] &&
> + accel_multifd_ops[i]->is_supported(comp)) {
> + return accel_multifd_ops[i]->get_multifd_methods();
> + }
> + }
> + return multifd_ops[comp];
> + }
> +
> + /* Check if a specified accelerator is available */
> + if (accel_multifd_ops[accel] &&
The CI is complaining that we might reach here with accel=2 when
!CONFIG_QPL. It seems the assert at migrate_multifd_compression_accel is
not enough.
