From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58093C432BE for ; Fri, 27 Aug 2021 13:23:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42BAC604AC for ; Fri, 27 Aug 2021 13:23:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245297AbhH0NYM (ORCPT ); Fri, 27 Aug 2021 09:24:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245284AbhH0NYL (ORCPT ); Fri, 27 Aug 2021 09:24:11 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95743C0613D9 for ; Fri, 27 Aug 2021 06:23:22 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id h13so10451815wrp.1 for ; Fri, 27 Aug 2021 06:23:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nCYo7FJcxKoQshzkwg/+mjeEX0Thq4lUy2ZqW0h0e+4=; b=CqLSDPoTRTt5AxGXzE4OegrS+nbPyEbSUZqXjNJMmWXb60nyV6rYTuNTSo+YwS0DeU VOqpsvIqjxsKodYtVyLryYG8x3RZmAwp6WetsVcN/3rHTSum8oJPWXEqrhi/nq80vbSB 07ThCzHHBmufClWem0nxWIsw2mtD/e+2TjHoqvMwXfShAXIy1E2FlsRLftTkMYQ523bC NFGyi8MejlBZ03yr41o2pRSWJq+GkXJzLFGMPsZjYp54kF5+wBjNB+Wqn+DJl3eJQQf4 beMVlSr/XNDCMa4hVGteb7l5sC9XUQA4AVnADGZgpf8s0XP0pPTtHe4mKLUHJJ+2LhYG RbHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nCYo7FJcxKoQshzkwg/+mjeEX0Thq4lUy2ZqW0h0e+4=; b=s/zDAHIeOntci8QNBnloP8I82wMSSCSX1U4pY5nBOGzn4nQL+L6l+YsEYZEeKlZ2Np YER1zwI7TPMlkE/2dDZSS3GsFg7ikq6aN7iA2kl1jEO9Ic6khDQLlumpR/5sH5dbCpFP QW76e0E110cWCQEa17ZV6UczkM39O5+RaZPXcVPdHXtAab8ftKTR5d1KyDM2JUpNZ+nm a6Td4+5bmDuV6GYjQWCgZQv3AEHtgsMfaGKsa0CxyVm1WinSIV3JPxgjpMOi8TsawzDK y0lixXQ15Z2NMWEABfJFKGiG6P2vBuCeGsemLpQmqz4SIei2b8iWvovBJWIk/q9czWku TrDQ== X-Gm-Message-State: AOAM531HmGpNX2WrzXizTYkxt2I0BP69MB3gEAh027wsAkJJNVWNycuM vnMjb5VxMtby7iRDHA6AIgs= X-Google-Smtp-Source: ABdhPJyiFoerR3lESbOmmSFrx2p8NZJJDXo1NdDcQgS3GHKb20MaAuzYeXA/IN8n2avW3Wjq7xIKkw== X-Received: by 2002:adf:d0c3:: with SMTP id z3mr10494233wrh.108.1630070601201; Fri, 27 Aug 2021 06:23:21 -0700 (PDT) Received: from localhost ([217.111.27.204]) by smtp.gmail.com with ESMTPSA id a129sm3865486wme.14.2021.08.27.06.23.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Aug 2021 06:23:20 -0700 (PDT) From: Thierry Reding To: Thierry Reding Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org Subject: [PATCH libdrm 05/25] tegra: Add flink helpers Date: Fri, 27 Aug 2021 15:22:45 +0200 Message-Id: <20210827132305.3572077-6-thierry.reding@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210827132305.3572077-1-thierry.reding@gmail.com> References: <20210827132305.3572077-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding Add helpers to export and import buffer objects via flink names. Signed-off-by: Thierry Reding --- Changes in v3: - add drm_public annotations --- tegra/tegra-symbols.txt | 2 ++ tegra/tegra.c | 50 +++++++++++++++++++++++++++++++++++++++++ tegra/tegra.h | 3 +++ 3 files changed, 55 insertions(+) diff --git a/tegra/tegra-symbols.txt b/tegra/tegra-symbols.txt index 9422696c1416..630e075fa5d7 100644 --- a/tegra/tegra-symbols.txt +++ b/tegra/tegra-symbols.txt @@ -1,6 +1,8 @@ drm_tegra_bo_get_handle +drm_tegra_bo_get_name drm_tegra_bo_map drm_tegra_bo_new +drm_tegra_bo_open drm_tegra_bo_ref drm_tegra_bo_unmap drm_tegra_bo_unref diff --git a/tegra/tegra.c b/tegra/tegra.c index 5225ad052fb3..5eb8518104ef 100644 --- a/tegra/tegra.c +++ b/tegra/tegra.c @@ -244,3 +244,53 @@ drm_public int drm_tegra_bo_unmap(struct drm_tegra_bo *bo) return 0; } + +drm_public int drm_tegra_bo_get_name(struct drm_tegra_bo *bo, uint32_t *name) +{ + struct drm_tegra *drm = bo->drm; + struct drm_gem_flink args; + int err; + + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + + err = drmIoctl(drm->fd, DRM_IOCTL_GEM_FLINK, &args); + if (err < 0) + return err; + + if (name) + *name = args.name; + + return 0; +} + +drm_public int +drm_tegra_bo_open(struct drm_tegra *drm, uint32_t name, uint32_t flags, + struct drm_tegra_bo **bop) +{ + struct drm_gem_open args; + struct drm_tegra_bo *bo; + int err; + + bo = drm_tegra_bo_alloc(drm, 0, flags, 0); + if (!bo) + return -ENOMEM; + + memset(&args, 0, sizeof(args)); + args.name = name; + + err = drmIoctl(drm->fd, DRM_IOCTL_GEM_OPEN, &args); + if (err < 0) + goto free; + + bo->handle = args.handle; + bo->size = args.size; + + *bop = bo; + + return 0; + +free: + free(bo); + return err; +} diff --git a/tegra/tegra.h b/tegra/tegra.h index c6b4f984de45..333690f23118 100644 --- a/tegra/tegra.h +++ b/tegra/tegra.h @@ -44,5 +44,8 @@ int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle); int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr); int drm_tegra_bo_unmap(struct drm_tegra_bo *bo); +int drm_tegra_bo_get_name(struct drm_tegra_bo *bo, uint32_t *name); +int drm_tegra_bo_open(struct drm_tegra *drm, uint32_t name, uint32_t flags, + struct drm_tegra_bo **bop); #endif /* __DRM_TEGRA_H__ */ -- 2.32.0