From mboxrd@z Thu Jan 1 00:00:00 1970 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 44D42C7EE23 for ; Tue, 30 May 2023 18:27:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q4430-0002AM-DR; Tue, 30 May 2023 14:26:18 -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 1q442x-0001rx-Ng for qemu-devel@nongnu.org; Tue, 30 May 2023 14:26:16 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q442h-0000nf-Um for qemu-devel@nongnu.org; Tue, 30 May 2023 14:26:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685471158; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=juMTlFq6aztO1zifJvTk7H6W25YhECxOmC1Oq0eWK90=; b=ZEn5B/w+6RS1Ci8Wv5QH7UOJ7NDiOGBkPypRt2hWgte8YKM80It3N9eBKTSSTRQuELSyjg kUTO/jmqThPdcBLAGVLhmouv7NSOzbLNSmIj9STaTU0S5MLCY3keKHPW84v24Jr5qdtX8A P+GXeG69tTQlH0lcF8uWyHcPLm0oLRk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-329-QmP6QF-AMDCRbJv-S891pA-1; Tue, 30 May 2023 14:25:54 -0400 X-MC-Unique: QmP6QF-AMDCRbJv-S891pA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 936A385A5BA for ; Tue, 30 May 2023 18:25:54 +0000 (UTC) Received: from secure.mitica (unknown [10.39.195.148]) by smtp.corp.redhat.com (Postfix) with ESMTP id A443B17103; Tue, 30 May 2023 18:25:53 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Leonardo Bras , Peter Xu , Juan Quintela Subject: [PULL 16/21] migration/rdma: Unfold hook_ram_load() Date: Tue, 30 May 2023 20:25:26 +0200 Message-Id: <20230530182531.6371-17-quintela@redhat.com> In-Reply-To: <20230530182531.6371-1-quintela@redhat.com> References: <20230530182531.6371-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.167, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org There is only one flag called with: RAM_CONTROL_BLOCK_REG. Reviewed-by: Peter Xu Signed-off-by: Juan Quintela Message-Id: <20230509120700.78359-6-quintela@redhat.com> --- migration/qemu-file.h | 11 ----------- migration/rdma.h | 3 +++ migration/qemu-file.c | 10 ---------- migration/ram.c | 6 ++++-- migration/rdma.c | 29 +++++++++-------------------- 5 files changed, 16 insertions(+), 43 deletions(-) diff --git a/migration/qemu-file.h b/migration/qemu-file.h index 7cfc20825e..6791db6b08 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -29,20 +29,12 @@ #include "exec/cpu-common.h" #include "io/channel.h" -/* - * This function provides hooks around different - * stages of RAM migration. - * 'data' is call specific data associated with the 'flags' value - */ -typedef int (QEMURamHookFunc)(QEMUFile *f, uint64_t flags, void *data); - /* * Constants used by ram_control_* hooks */ #define RAM_CONTROL_SETUP 0 #define RAM_CONTROL_ROUND 1 #define RAM_CONTROL_FINISH 3 -#define RAM_CONTROL_BLOCK_REG 4 /* * This function allows override of where the RAM page @@ -54,7 +46,6 @@ typedef int (QEMURamSaveFunc)(QEMUFile *f, size_t size); typedef struct QEMUFileHooks { - QEMURamHookFunc *hook_ram_load; QEMURamSaveFunc *save_page; } QEMUFileHooks; @@ -128,8 +119,6 @@ void qemu_fflush(QEMUFile *f); void qemu_file_set_blocking(QEMUFile *f, bool block); int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size); -void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data); - /* Whenever this is found in the data stream, the flags * will be passed to ram_control_load_hook in the incoming-migration * side. This lets before_ram_iterate/after_ram_iterate add diff --git a/migration/rdma.h b/migration/rdma.h index 8bd277efb9..8df8b4089a 100644 --- a/migration/rdma.h +++ b/migration/rdma.h @@ -27,6 +27,7 @@ void rdma_start_incoming_migration(const char *host_port, Error **errp); int qemu_rdma_registration_handle(QEMUFile *f); int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags); int qemu_rdma_registration_stop(QEMUFile *f, uint64_t flags); +int rdma_block_notification_handle(QEMUFile *f, const char *name); #else static inline int qemu_rdma_registration_handle(QEMUFile *f) { return 0; } @@ -34,5 +35,7 @@ static inline int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags) { return 0; } static inline int qemu_rdma_registration_stop(QEMUFile *f, uint64_t flags) { return 0; } +static inline +int rdma_block_notification_handle(QEMUFile *f, const char *name) { return 0; } #endif #endif diff --git a/migration/qemu-file.c b/migration/qemu-file.c index 918df83035..08bbc29e64 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -303,16 +303,6 @@ void qemu_fflush(QEMUFile *f) f->iovcnt = 0; } -void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data) -{ - if (f->hooks && f->hooks->hook_ram_load) { - int ret = f->hooks->hook_ram_load(f, flags, data); - if (ret < 0) { - qemu_file_set_error(f, ret); - } - } -} - int ram_control_save_page(QEMUFile *f, ram_addr_t block_offset, ram_addr_t offset, size_t size) { diff --git a/migration/ram.c b/migration/ram.c index 6f0597814c..67d0f20368 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3975,8 +3975,10 @@ static int ram_load_precopy(QEMUFile *f) ret = -EINVAL; } } - ram_control_load_hook(f, RAM_CONTROL_BLOCK_REG, - block->idstr); + ret = rdma_block_notification_handle(f, block->idstr); + if (ret < 0) { + qemu_file_set_error(f, ret); + } } else { error_report("Unknown ramblock \"%s\", cannot " "accept migration", id); diff --git a/migration/rdma.c b/migration/rdma.c index a477985c6d..948e93256d 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -3811,20 +3811,22 @@ out: } /* Destination: - * Called via a ram_control_load_hook during the initial RAM load section which - * lists the RAMBlocks by name. This lets us know the order of the RAMBlocks - * on the source. - * We've already built our local RAMBlock list, but not yet sent the list to - * the source. + * Called during the initial RAM load section which lists the + * RAMBlocks by name. This lets us know the order of the RAMBlocks on + * the source. We've already built our local RAMBlock list, but not + * yet sent the list to the source. */ -static int -rdma_block_notification_handle(QEMUFile *f, const char *name) +int rdma_block_notification_handle(QEMUFile *f, const char *name) { RDMAContext *rdma; QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(qemu_file_get_ioc(f)); int curr; int found = -1; + if (!migrate_rdma()) { + return 0; + } + RCU_READ_LOCK_GUARD(); rdma = qatomic_rcu_read(&rioc->rdmain); @@ -3852,18 +3854,6 @@ rdma_block_notification_handle(QEMUFile *f, const char *name) return 0; } -static int rdma_load_hook(QEMUFile *f, uint64_t flags, void *data) -{ - switch (flags) { - case RAM_CONTROL_BLOCK_REG: - return rdma_block_notification_handle(f, data); - - default: - /* Shouldn't be called with any other values */ - abort(); - } -} - int qemu_rdma_registration_start(QEMUFile *f, uint64_t flags) { QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(qemu_file_get_ioc(f)); @@ -4002,7 +3992,6 @@ err: } static const QEMUFileHooks rdma_read_hooks = { - .hook_ram_load = rdma_load_hook, }; static const QEMUFileHooks rdma_write_hooks = { -- 2.40.1