From patchwork Mon Mar 24 15:13:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Almeida X-Patchwork-Id: 14027483 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0DCCCC36002 for ; Mon, 24 Mar 2025 15:14:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 684C510E371; Mon, 24 Mar 2025 15:14:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b="My3I3Mp9"; dkim-atps=neutral Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id B3C4C10E3BD for ; Mon, 24 Mar 2025 15:14:41 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1742829273; cv=none; d=zohomail.com; s=zohoarc; b=FXPdAeI3f+wrKHfylHGK4lXWlXx1asWt6oTR6MWN+rR5EBKONwlGVzk0Ne6VXnSwW138eA8Uh33Dwwko3lXCJgXNOTRpGw7ihhj/+4FuWDa6OFRuW6CmnuwsOTOugYxPvvNZketVzPaDRlB/EugCvd9tfq0cmyaKWTCX2CQSiP4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1742829273; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=0GC8XAU9kSZizGu7pirgOvAlkT/SjNy72/DTHBMZsj8=; b=bp+xEitzIzdPSgM7ciQCzhUyVZ4fojqWQGfAqBO3aAOk9eVXLFsbUEFHNkDj+Q0mM8PAVfqRWTmKSy0unQqOAAsBf5Minb0wyy1uehGadw+TOM+cpgDN61Shr1Rn7gH4D3kFKhcNB8nJ8l4VeP398L7B7aXCWgXaEicMo6qrTzE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=daniel.almeida@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1742829273; s=zohomail; d=collabora.com; i=daniel.almeida@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=0GC8XAU9kSZizGu7pirgOvAlkT/SjNy72/DTHBMZsj8=; b=My3I3Mp9qHOHIPnuXmVVMRivjE55FPuydbJuD5lBmm9xPwHDIxUiavN+N9SJBROk 8aWEuPnmOJ7JZ7dNJK5Qta6C6fRsOCoxWyP5i1kVaVtJkgxwTSEFEtZfCvPEU5y0fnp 8xsm/rwbKJZ+AO+OeBYP0r0xBo1gQalPIDN+S6aA= Received: by mx.zohomail.com with SMTPS id 1742829270854331.91542821528924; Mon, 24 Mar 2025 08:14:30 -0700 (PDT) From: Daniel Almeida Date: Mon, 24 Mar 2025 12:13:54 -0300 Subject: [PATCH 1/2] rust: helpers: Add bindings/wrappers for dma_resv MIME-Version: 1.0 Message-Id: <20250324-gpuvm-v1-1-7f8213eebb56@collabora.com> References: <20250324-gpuvm-v1-0-7f8213eebb56@collabora.com> In-Reply-To: <20250324-gpuvm-v1-0-7f8213eebb56@collabora.com> To: Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Boris Brezillon Cc: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, dri-devel@lists.freedesktop.org, Asahi Lina X-Mailer: b4 0.14.2 X-ZohoMailClient: External X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Asahi Lina This is just for basic usage in the DRM shmem abstractions for implied locking, not intended as a full DMA Reservation abstraction yet. Signed-off-by: Asahi Lina --- rust/bindings/bindings_helper.h | 4 +++- rust/helpers/dma-resv.c | 13 +++++++++++++ rust/helpers/helpers.c | 1 + 3 files changed, 17 insertions(+), 1 deletion(-) diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h index e6020ba5b00237a08402fbd609c7fba27b970dd9..53111b5b35588541eca05e574a8d24cdafbf1dd6 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -53,5 +54,6 @@ const gfp_t RUST_CONST_HELPER_GFP_NOWAIT = GFP_NOWAIT; const gfp_t RUST_CONST_HELPER___GFP_ZERO = __GFP_ZERO; const gfp_t RUST_CONST_HELPER___GFP_HIGHMEM = ___GFP_HIGHMEM; const gfp_t RUST_CONST_HELPER___GFP_NOWARN = ___GFP_NOWARN; -const blk_features_t RUST_CONST_HELPER_BLK_FEAT_ROTATIONAL = BLK_FEAT_ROTATIONAL; +const blk_features_t RUST_CONST_HELPER_BLK_FEAT_ROTATIONAL = + BLK_FEAT_ROTATIONAL; const fop_flags_t RUST_CONST_HELPER_FOP_UNSIGNED_OFFSET = FOP_UNSIGNED_OFFSET; diff --git a/rust/helpers/dma-resv.c b/rust/helpers/dma-resv.c new file mode 100644 index 0000000000000000000000000000000000000000..05501cb814513b483afd0b7f220230d867863c2f --- /dev/null +++ b/rust/helpers/dma-resv.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +int rust_helper_dma_resv_lock(struct dma_resv *obj, struct ww_acquire_ctx *ctx) +{ + return dma_resv_lock(obj, ctx); +} + +void rust_helper_dma_resv_unlock(struct dma_resv *obj) +{ + dma_resv_unlock(obj); +} diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 7a06d6bc48537248c8a3ec4243b37d8fb2b1cb26..c5e536d688bc35c7b348daa61e868c91a7bdbd23 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -14,6 +14,7 @@ #include "build_bug.c" #include "cred.c" #include "device.c" +#include "dma-resv.c" #include "drm.c" #include "err.c" #include "fs.c"