{"id":2219368,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219368/?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":"<20260402215629.745866-14-ruslichenko.r@gmail.com>","date":"2026-04-02T21:55:58","name":"[v3,13/33] 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/20260402215629.745866-14-ruslichenko.r@gmail.com/mbox/","series":[{"id":498555,"url":"http://patchwork.ozlabs.org/api/1.0/series/498555/?format=json","date":"2026-04-02T21:55:47","name":"hw/arm: Introduce generic FDT-driven machine","version":3,"mbox":"http://patchwork.ozlabs.org/series/498555/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219368/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=20251104 header.b=MKUu0K4U;\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 4fmwnS2Y3zz1yFT\n\tfor ; Fri, 03 Apr 2026 09:02:20 +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 1w8Q2P-0008SE-JI; Thu, 02 Apr 2026 17:57:17 -0400","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 1w8Q2G-0008LH-No\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 17:57:10 -0400","from mail-ed1-x533.google.com ([2a00:1450:4864:20::533])\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 1w8Q2E-000785-JV\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 17:57:08 -0400","by mail-ed1-x533.google.com with SMTP id\n 4fb4d7f45d1cf-66bb66db39dso2177083a12.0\n for ; Thu, 02 Apr 2026 14:57:06 -0700 (PDT)","from thinkpad-t470s.. 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Iglesias\" ,\n Ruslan_Ruslichenko@epam.com, balaton@eik.bme.hu","Subject":"[PATCH v3 13/33] hw/core/fdt_generic_util: add TYPE_FDT_GENERIC_MMAP","Date":"Thu, 2 Apr 2026 23:55:58 +0200","Message-ID":"<20260402215629.745866-14-ruslichenko.r@gmail.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260402215629.745866-1-ruslichenko.r@gmail.com>","References":"<20260402215629.745866-1-ruslichenko.r@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::533;\n envelope-from=ruslichenko.r@gmail.com; helo=mail-ed1-x533.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=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":"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 8ae9e23073..8f91bcb66c 100644\n--- a/hw/core/fdt_generic_util.c\n+++ b/hw/core/fdt_generic_util.c\n@@ -617,3 +617,14 @@ 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 71bedb6631..e3671990ad 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":["v3","13/33"]}