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Mon, 21 Sep 2020 02:25:20 +0000 From: Alexander Bulekov To: qemu-devel@nongnu.org Subject: [PATCH v3 01/16] memory: Add FlatView foreach function Date: Sun, 20 Sep 2020 22:24:51 -0400 Message-Id: <20200921022506.873303-2-alxndr@bu.edu> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200921022506.873303-1-alxndr@bu.edu> References: <20200921022506.873303-1-alxndr@bu.edu> X-ClientProxiedBy: BL0PR1501CA0034.namprd15.prod.outlook.com (2603:10b6:207:17::47) To SN6PR03MB3871.namprd03.prod.outlook.com (2603:10b6:805:6d::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from stormtrooper.vrmnet (72.93.72.163) by BL0PR1501CA0034.namprd15.prod.outlook.com (2603:10b6:207:17::47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.14 via Frontend Transport; Mon, 21 Sep 2020 02:25:19 +0000 X-Mailer: git-send-email 2.28.0 X-Originating-IP: [72.93.72.163] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2a9b9828-a1ca-4484-22f1-08d85dd595fa X-MS-TrafficTypeDiagnostic: SN2PR03MB2237: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2657; 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envelope-from=alxndr@bu.edu; helo=NAM10-DM6-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/20 22:25:33 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Bulekov , darren.kenny@oracle.com, bsd@redhat.com, stefanha@redhat.com, Paolo Bonzini , philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Alexander Bulekov Acked-by: Paolo Bonzini --- include/exec/memory.h | 5 +++++ softmmu/memory.c | 9 +++++++++ 2 files changed, 14 insertions(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index f1bb2a7df5..975a90c871 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -688,6 +688,11 @@ static inline FlatView *address_space_to_flatview(AddressSpace *as) return atomic_rcu_read(&as->current_map); } +typedef int (*flatview_cb)(ram_addr_t start, + ram_addr_t len, + const MemoryRegion*, void*); + +void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque); /** * MemoryRegionSection: describes a fragment of a #MemoryRegion diff --git a/softmmu/memory.c b/softmmu/memory.c index d030eb6f7c..9db5fbe43a 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -655,6 +655,15 @@ static void render_memory_region(FlatView *view, } } +void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque) +{ + FlatRange *fr; + FOR_EACH_FLAT_RANGE(fr, fv) { + if (cb(fr->addr.start, fr->addr.size, fr->mr, opaque)) + break; + } +} + static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr) { while (mr->enabled) {