From patchwork Tue May 21 10:56:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= X-Patchwork-Id: 1937362 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Ptkkf9FN; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VkBHW5TNYz1ynR for ; Tue, 21 May 2024 20:58:15 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s9NB1-00009P-CF; Tue, 21 May 2024 06:57:03 -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 1s9NAw-00006k-N2; Tue, 21 May 2024 06:56:58 -0400 Received: from dfw.source.kernel.org ([139.178.84.217]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9NAv-0008J3-3R; Tue, 21 May 2024 06:56:58 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 2238362153; Tue, 21 May 2024 10:56:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26BF0C2BD11; Tue, 21 May 2024 10:56:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716289014; bh=izDUykFEQkwQc1xzdS3N2VcVYxMhBjpLt/wly4Hm8+A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ptkkf9FNqTWXHMV9wfe3iEC7Qh9Anqly8weuR4s2SCdBoHXrd7L/2lTASBxBX0Y6a Htvk+obeXVQC7Vq943+8Ci2oFjdFCZ0ycs1jcPZl2o/filrrMhi8pswOoGyvAI97L+ +uTBpUyIQM8GMTUCt8JSKCSddpPJJ5jRdGzQOp1/ZicJjbWY4301MAiEZlp4YrU3fW 7oIg+XAXK0amIU4fG7IPPrvm3ZlCV0Xwpn59ViaGDpwaoHoH1D8mvNbB9z0uu9/Dlv Z1IxH7d/jcsknLoeqgH29b1/waqhq73kN0FIY2GwWpcewvLhosaoi5HT6UqeJO4WBy ZpFaZMbaUhHMg== From: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= To: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , qemu-riscv@nongnu.org, qemu-devel@nongnu.org, David Hildenbrand , Atish Patra , Atish Patra Cc: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Sunil V L , Santosh Mamila , Chethan Seshadri , Sivakumar Munnangi Subject: [PATCH v2 2/3] hw/riscv/virt-acpi-build: Expose device memory in ACPI SRAT Date: Tue, 21 May 2024 12:56:34 +0200 Message-Id: <20240521105635.795211-3-bjorn@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240521105635.795211-1-bjorn@kernel.org> References: <20240521105635.795211-1-bjorn@kernel.org> MIME-Version: 1.0 Received-SPF: pass client-ip=139.178.84.217; envelope-from=bjorn@kernel.org; helo=dfw.source.kernel.org X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Björn Töpel Now that device memory is supported by RISC-V 'virt', expose that region in the ACPI SRAT (System/Static Resource Affinity Table). ACPI SRAT is used by, e.g., the virtio-mem Linux kernel driver [1]. Link: https://virtio-mem.gitlab.io/user-guide/user-guide-linux.html # [1] Signed-off-by: Björn Töpel --- hw/riscv/virt-acpi-build.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 0925528160f8..6dc3baa9ec86 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -610,6 +610,13 @@ build_srat(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms) } } + if (ms->device_memory) { + build_srat_memory(table_data, ms->device_memory->base, + memory_region_size(&ms->device_memory->mr), + ms->numa_state->num_nodes - 1, + MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED); + } + acpi_table_end(linker, &table); }