diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 5b17d0fa162bc3be4f702aecea1270e1857ff193..02e6e15d8c2ad9ac0fdf9d758b98f882c02995cf 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1819,7 +1819,7 @@ struct megasas_init_frame { __le32 pad_0; /*0Ch */ __le16 flags; /*10h */ - __le16 reserved_3; /*12h */ + __le16 replyqueue_mask; /*12h */ __le32 data_xfer_len; /*14h */ __le32 queue_info_new_phys_addr_lo; /*18h */ diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 44bfbe8d2ce52d3e44240cbec9db60a7f82556f1..845ca2f94e5c5dc838caa416f9caa622e5d15134 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -1186,6 +1186,14 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) cpu_to_le32(lower_32_bits(ioc_init_handle)); init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST)); + /* + * Each bit in replyqueue_mask represents one group of MSI-x vectors + * (each group has 8 vectors) + */ + if (instance->balanced_mode) + init_frame->replyqueue_mask = + cpu_to_le16(~(~0 << instance->low_latency_index_start / 8)); + req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr)); req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr)); req_desc.MFAIo.RequestFlags =