From patchwork Fri Jun 30 05:22:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13297593 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 15845EB64D7 for ; Fri, 30 Jun 2023 05:23:57 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qF6bG-0008Dx-OZ; Fri, 30 Jun 2023 01:23:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qF6b5-0008BE-0X for qemu-devel@nongnu.org; Fri, 30 Jun 2023 01:23:07 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qF6b3-0003uX-16 for qemu-devel@nongnu.org; Fri, 30 Jun 2023 01:23:06 -0400 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4QskHB58vcz4wp8; Fri, 30 Jun 2023 15:23:02 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4QskH83HjXz4wZy; Fri, 30 Jun 2023 15:23:00 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: Richard Henderson , Alex Williamson , Avihai Horon , =?utf-8?q?C=C3=A9dric_Le_Goater?= , YangHang Liu Subject: [PULL 06/16] vfio/migration: Store VFIO migration flags in VFIOMigration Date: Fri, 30 Jun 2023 07:22:25 +0200 Message-ID: <20230630052235.1934154-7-clg@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230630052235.1934154-1-clg@redhat.com> References: <20230630052235.1934154-1-clg@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=mf8A=CS=redhat.com=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Avihai Horon VFIO migration flags are queried once in vfio_migration_init(). Store them in VFIOMigration so they can be used later to check the device's migration capabilities without re-querying them. This will be used in the next patch to check if the device supports precopy migration. Signed-off-by: Avihai Horon Reviewed-by: Cédric Le Goater Tested-by: YangHang Liu Acked-by: Alex Williamson Signed-off-by: Cédric Le Goater --- include/hw/vfio/vfio-common.h | 1 + hw/vfio/migration.c | 1 + 2 files changed, 2 insertions(+) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index eed244f25f34..5f29dab83913 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -66,6 +66,7 @@ typedef struct VFIOMigration { int data_fd; void *data_buffer; size_t data_buffer_size; + uint64_t mig_flags; } VFIOMigration; typedef struct VFIOAddressSpace { diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index 235978fd6805..8d3341437926 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -603,6 +603,7 @@ static int vfio_migration_init(VFIODevice *vbasedev) migration->vbasedev = vbasedev; migration->device_state = VFIO_DEVICE_STATE_RUNNING; migration->data_fd = -1; + migration->mig_flags = mig_flags; vbasedev->dirty_pages_supported = vfio_dma_logging_supported(vbasedev);