{"id":2198202,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198202/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260219143332.3316679-13-ruslichenko.r@gmail.com>","date":"2026-02-19T14:33:11","name":"[v2,12/33] hw/core/fdt_generic_util: add TYPE_FDT_GENERIC_MMAP","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4358fdbff7157aa2a48f9fc437800515353f86d6","submitter":{"id":92275,"url":"http://patchwork.ozlabs.org/api/1.0/people/92275/?format=json","name":"Ruslan Ruslichenko","email":"ruslichenko.r@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260219143332.3316679-13-ruslichenko.r@gmail.com/mbox/","series":[{"id":492690,"url":"http://patchwork.ozlabs.org/api/1.0/series/492690/?format=json","date":"2026-02-19T14:33:04","name":"hw/arm: Introduce generic FDT-driven machine","version":2,"mbox":"http://patchwork.ozlabs.org/series/492690/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198202/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=Abxkr74L;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fGwvr5kRJz1xpl\n\tfor ; Fri, 20 Feb 2026 01:37:44 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1vt57K-0000Dr-Ve; Thu, 19 Feb 2026 09:34:58 -0500","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1vt57J-0000C3-6E\n for qemu-devel@nongnu.org; Thu, 19 Feb 2026 09:34:57 -0500","from mail-wr1-x430.google.com ([2a00:1450:4864:20::430])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1vt57H-00030G-LU\n for qemu-devel@nongnu.org; Thu, 19 Feb 2026 09:34:56 -0500","by mail-wr1-x430.google.com with SMTP id\n ffacd0b85a97d-436e8758b91so798462f8f.0\n for ; Thu, 19 Feb 2026 06:34:55 -0800 (PST)","from thinkpad-t470s.. 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Iglesias\" ,\n Ruslan_Ruslichenko@epam.com, balaton@eik.bme.hu","Subject":"[PATCH v2 12/33] hw/core/fdt_generic_util: add TYPE_FDT_GENERIC_MMAP","Date":"Thu, 19 Feb 2026 15:33:11 +0100","Message-ID":"<20260219143332.3316679-13-ruslichenko.r@gmail.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260219143332.3316679-1-ruslichenko.r@gmail.com>","References":"<20260219143332.3316679-1-ruslichenko.r@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::430;\n envelope-from=ruslichenko.r@gmail.com; helo=mail-wr1-x430.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Ruslan Ruslichenko \n\nAdd new FDT_GENERIC_MMAP class and interface to allow\ndevices to register own handlers for mapping memory\nregions in device tree's 'reg' property.\n\nSigned-off-by: Ruslan Ruslichenko \n---\n hw/core/fdt_generic_util.c | 11 ++++++++\n include/hw/core/fdt_generic_util.h | 44 ++++++++++++++++++++++++++++++\n 2 files changed, 55 insertions(+)","diff":"diff --git a/hw/core/fdt_generic_util.c b/hw/core/fdt_generic_util.c\nindex 43fa862f31..a9ae56d1c3 100644\n--- a/hw/core/fdt_generic_util.c\n+++ b/hw/core/fdt_generic_util.c\n@@ -711,3 +711,14 @@ static int fdt_init_qdev(char *node_path, FDTMachineInfo *fdti, char *compat)\n return 0;\n }\n \n+static const TypeInfo fdt_generic_mmap_info = {\n+ .name = TYPE_FDT_GENERIC_MMAP,\n+ .parent = TYPE_INTERFACE,\n+ .class_size = sizeof(FDTGenericMMapClass),\n+};\n+\n+static void fdt_generic_register_types(void)\n+{\n+ type_register_static(&fdt_generic_mmap_info);\n+}\n+type_init(fdt_generic_register_types)\ndiff --git a/include/hw/core/fdt_generic_util.h b/include/hw/core/fdt_generic_util.h\nindex e18c4f9c8b..38086ec1e4 100644\n--- a/include/hw/core/fdt_generic_util.h\n+++ b/include/hw/core/fdt_generic_util.h\n@@ -16,4 +16,48 @@\n \n FDTMachineInfo *fdt_generic_create_machine(void *fdt, qemu_irq *cpu_irq);\n \n+#define TYPE_FDT_GENERIC_MMAP \"fdt-generic-mmap\"\n+\n+#define FDT_GENERIC_MMAP_CLASS(klass) \\\n+ OBJECT_CLASS_CHECK(FDTGenericMMapClass, (klass), TYPE_FDT_GENERIC_MMAP)\n+#define FDT_GENERIC_MMAP_GET_CLASS(obj) \\\n+ OBJECT_GET_CLASS(FDTGenericMMapClass, (obj), TYPE_FDT_GENERIC_MMAP)\n+#define FDT_GENERIC_MMAP(obj) \\\n+ INTERFACE_CHECK(FDTGenericMMap, (obj), TYPE_FDT_GENERIC_MMAP)\n+\n+typedef struct FDTGenericMMap {\n+ /*< private >*/\n+ Object parent_obj;\n+} FDTGenericMMap;\n+\n+/*\n+ * The number of \"things\" in the tuple. Not to be confused with the cell length\n+ * of the tuple (which is variable based on content\n+ */\n+\n+#define FDT_GENERIC_REG_TUPLE_LENGTH 4\n+\n+typedef struct FDTGenericRegPropInfo {\n+ int n;\n+ union {\n+ struct {\n+ uint64_t *a;\n+ uint64_t *s;\n+ uint64_t *b;\n+ uint64_t *p;\n+ };\n+ uint64_t *x[FDT_GENERIC_REG_TUPLE_LENGTH];\n+ };\n+ Object **parents;\n+} FDTGenericRegPropInfo;\n+\n+typedef struct FDTGenericMMapClass {\n+ /*< private >*/\n+ InterfaceClass parent_class;\n+\n+ /*< public >*/\n+ bool (*parse_reg)(FDTGenericMMap *obj, FDTGenericRegPropInfo info,\n+ Error **errp);\n+} FDTGenericMMapClass;\n+\n #endif /* FDT_GENERIC_UTIL_H */\n","prefixes":["v2","12/33"]}