From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E1B03C456F for ; Tue, 18 Aug 2026 05:12:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787029946; cv=none; b=qniqtIeNH3+ba41OTy4TKrVtS2n881nI76WVG+EHZ6Za1C22+OT3aVPPjxxiLBHuOwXNHYhDHgJCPWofy+YljYhXgf/wG0m+xiyZ1oOKjQTubMBAcwaaizsGilTJIfkVgFx5Bf7Cs+KPeeN2cV5oM5/viW2UQvlNdft6S04LFlo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787029946; c=relaxed/simple; bh=o7eLAZfdtjRRWSqHEojyG/bzxtWRaxaRR5MzJJtbNk8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tkbj01DYLlugTAM2f6Nni8KaLKiHoOBRoJPDqq977MgpRqgqvP6m+2m3s9Cwr6LK66EDNvrI/YaYPCBkzzwQvofKrUyt+li0FNiLew9KlhcToFhP6t/6ZC8lN9HMQ+iuJf7obtqRTR9xNSwdc93FIBpmhogUtm8hxZSP+vp1cZ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=q0qgBWXa; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="q0qgBWXa" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-84fa3b14ee1so3080128b3a.0 for ; Mon, 17 Aug 2026 22:12:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787029945; x=1787634745; darn=lists.linux.dev; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=GF0FtzLMWaPpijge2pYmINjU8s3/LYKiLpVZpt8RABo=; b=q0qgBWXamNsH+pkx5IrvBMNqjLyzQ4Rdi9ueTrrxVJntz4Wn0LQWXpAmnuqe+cihTf GFq0GRZWTa4CK9C1XUp+UftuL/EihFcziAyE7qB+chKdc1BitEQX5XrOfqPgQnxpU61/ Ynv/Lm9MdfV3seZ1+yGzFdqfn5rM4N3dTV0UK+TeYl7eSY7p5+Pv6RcX/T30oHzV6ml2 tstcvSxYR29ju/XlLUE6NNn1D3lE4ccIdJD8A1BVK8IfGPSVm7Hwi6DzyyeHg0jz7Rg4 nuuSPzgW4CeW/3dVg9Q8GPqbJ7zjYoOGiOZt2DtihtBD4wRNQiSOOX41YTStyss5y4Nw eFOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787029945; x=1787634745; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=GF0FtzLMWaPpijge2pYmINjU8s3/LYKiLpVZpt8RABo=; b=qDi9OqVnP25P8ikrZ7AdhxyxOWg6jS/A2tkUAkqSnyF0NZGdKj2SQUJWYC1nZDw3wn JERszjjv/l9PZBmTG9yJ32BBTwygv4dbn7CfBxEQmOpn0maZ662R6a9/VHP9q3j7FeF0 Rov4/TP/u1BuKQpr+JHzwQfeDecQg+0qUivS9MdVItbz22BlxsXMk8g0Grzt/PaMF80M ilkVx+tJPxpmGFLasS5JxzpLMmqesc87ELy6pWAtmJZdOGX1JXhcsRbr4+JeDEP28Rn5 +TynykpGpafFPtSe530JlpZ2KPUPf6SrwDOUok6iKvdbldl3D+HRT7aYe2+nFUcPWLhJ IO0w== X-Forwarded-Encrypted: i=1; AHgh+RozrKlDxSEMWemuqfSJPO3YZdfW6kNVh9Y357IODmTyY42AAoF7SYSr3RB9+0z4CJDHVD2xFbPolng=@lists.linux.dev X-Gm-Message-State: AOJu0Yz3UtV2HJ6P9jfjh82FMuBSU7Be5Sif8lousKw6ABR3Q/4eluI8 ggNPtJ78/vOhPliWF/gy/kOuajtrVq4p1HRYayclcb/bf3DYeJQekR0X X-Gm-Gg: AR+sD13U2eAoQH+vwiFDRfAaAzy/SDhUOPgGqvE7HaXvPOmZs0cMplALx1Ej7x4BZsS 53sa8/dQXpUePM4ihI8QvY6xLFYMwzBe5BKgQCuGN2uXY9u/wiOF6CVU35+w/4uzqhzcmKZJ+pA 538dKYeXe5Y8dGn3U/4E2I+v0uE8ZmHW1VfRE3tZhOirLnqEt010xQCkPer97MnyRyQ9ZaZMGEz TcZF08UvakJVsLbyjLMMVY6QmWLj5c/jILjBPV9FvItUcsIeA27OLYHXxvc3NDoe26mxymspD4Q veaG4CrKRTlzsPnRI0kzN17B/AAfLsIhQzLh236vbEuAjM+FL1TtIKNKgWxTdvQWAZ/4O26LvcD i/4eW2MxHizGrZst+8puQx4+H2cAHnNCozgiM18+KC/LuTprnM6EO550xhPB6UfZQ+eCQGPYq2t UKRlFlyDG6bEvFOnkA24Exe6CdJGdxhflrjnxoYBYDC7QrK1Wz5LPkzXEb9rcMtC7vDQ== X-Received: by 2002:a05:6a00:3763:b0:851:ba04:ca02 with SMTP id d2e1a72fcca58-851ba04da9amr4656750b3a.16.1787029944848; Mon, 17 Aug 2026 22:12:24 -0700 (PDT) Received: from [127.0.1.1] ([2600:1700:e140:14d0:d043:a40d:25c1:432c]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-851b6fc0e84sm1031160b3a.43.2026.08.17.22.12.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 22:12:24 -0700 (PDT) From: Connor Kite Date: Mon, 17 Aug 2026 22:12:17 -0700 Subject: [PATCH RFC v2 02/13] util/iova-tree: g_tree_foreach wrapper Precedence: bulk X-Mailing-List: virtio-fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260817-vhost-user-isolated-memory-v2-2-948aae960abb@gmail.com> References: <20260817-vhost-user-isolated-memory-v2-0-948aae960abb@gmail.com> In-Reply-To: <20260817-vhost-user-isolated-memory-v2-0-948aae960abb@gmail.com> To: qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , Stefano Garzarella , =?utf-8?q?Alex_Benn=C3=A9e?= , Viresh Kumar , Gerd Hoffmann , Mathieu Poirier , Manos Pitsidianakis , Raphael Norwitz , Kevin Wolf , Hanna Reitz , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , Fam Zheng , Stefan Hajnoczi , Milan Zamazal , Akihiko Odaki , Dmitry Osipenko , qemu-block@nongnu.org, virtio-fs@lists.linux.dev, "Gonglei (Arei)" , zhenwei pi , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Jason Wang , Peter Xu , =?utf-8?q?Eugenio_P=C3=A9rez?= , Alyssa Ross , Demi Marie Obenour , Connor Kite , 20260817233147.2867623-1-connorkite@gmail.com X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1787029936; l=1906; i=connorkite@gmail.com; s=20260723; h=from:subject:message-id; bh=o7eLAZfdtjRRWSqHEojyG/bzxtWRaxaRR5MzJJtbNk8=; b=Z3tFhfEr1Omnp83Zy3bXpXXEiQIMkob68NNERZBNgm5EjVu9Ykqidco7cjuQ4gnEqs7pgUwhM ELFXw7D56GGCzrXpmI7r68dyx5q3Ot2OBTpnrqhYAOCg7lgJmRrB5TA X-Developer-Key: i=connorkite@gmail.com; a=ed25519; pk=xg/3N8AntFCYogaIgN5NC/KkT7UlZB6ktPIRliJ3hv4= Add a wrapper to iova-tree to call g_tree_foreach. Provides a means to execute some function on each node of the iova-tree. Reviewed-by: Stefan Hajnoczi Signed-off-by: Connor Kite --- include/qemu/iova-tree.h | 21 +++++++++++++++++++++ util/iova-tree.c | 5 +++++ 2 files changed, 26 insertions(+) diff --git a/include/qemu/iova-tree.h b/include/qemu/iova-tree.h index 14e82a22d5..a1938e36a1 100644 --- a/include/qemu/iova-tree.h +++ b/include/qemu/iova-tree.h @@ -161,4 +161,25 @@ int iova_tree_alloc_map(IOVATree *tree, DMAMap *map, hwaddr iova_begin, */ void iova_tree_destroy(IOVATree *tree); +/** + * iova_tree_foreach: + * + * @tree: the iova tree to traverse + * @func: the function called at every node. A true return value ends traversal. + * Arguments: + * gpointer key: key of current node + * gpointer value: value of current node + * gpointer data: data passed in at g_tree_foreach call + * Return: gboolean + * @data: an argument passed to func + * + * Wrapper to call g_tree_foreach on the underlying g_tree. g_tree_foreach will + * traverse through every node of the tree, barring an early return. At each + * node, g_tree_foreach calls func with pointers to the node key, node value, + * and a pointer to data passed in by the caller. + * + * Return: None + */ +void iova_tree_foreach(IOVATree *tree, GTraverseFunc func, gpointer data); + #endif diff --git a/util/iova-tree.c b/util/iova-tree.c index 5b0c95ff15..2239bb6ae1 100644 --- a/util/iova-tree.c +++ b/util/iova-tree.c @@ -303,3 +303,8 @@ int gpa_tree_insert(IOVATree *tree, const DMAMap *map) return IOVA_OK; } + +void iova_tree_foreach(IOVATree *tree, GTraverseFunc func, gpointer data) +{ + g_tree_foreach(tree->tree, func, data); +} -- 2.43.0