From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vs1-f74.google.com (mail-vs1-f74.google.com [209.85.217.74]) (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 F3B163DCD9C for ; Thu, 9 Apr 2026 15:01:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.217.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775746900; cv=none; b=J8LVHGffzzIfFtb8qXwUi1GiFvS4/m8FDMhZCrKT2eN0653PuEvzIRXHCXQQwYdpwlWGQdTH3kgVAI/ysdj3eCtiBVigrRKrhulQ+U7aTeHIdYj8buWlP5vMk7eLpezwbcSbCaLcMBGvdZiGxrAmtg4r0R5A4fb8nSAi13jXhJg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775746900; c=relaxed/simple; bh=G9OvV7vXp/wWZxzfIcoWe97Q3YUGjNO5GzlbZys/VW4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=L9W7FXbNMY3tVOmV2pAaDualaQNo9vFb6kNUgzNM1y2yA9xfAM4CRpJwMJDLSMhtM8nO9UndVIDs2iSiPTpzz4WhKrj/R/rRehLHDRPSyw6mzjHsk0sYR0X5KZIsUmJhdRiSRPtioh6YR/E/ngzI+pNkrmQtQqtixXN7CsnALBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jmoroni.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=RguL8IJG; arc=none smtp.client-ip=209.85.217.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jmoroni.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="RguL8IJG" Received: by mail-vs1-f74.google.com with SMTP id ada2fe7eead31-6054a46d802so1278509137.0 for ; Thu, 09 Apr 2026 08:01:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1775746897; x=1776351697; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=99ro2vXgYbLolPPBo8Mdr0wz15miyOgxU6wtwQUoCuw=; b=RguL8IJGgwYb73v22ra/Nuk8UeYO8iiHJnAkJ0U7peqA76eBkzk9pgpa7DkqQTyyMS PxaSB2xSBI8ugAqGMo3wGAy+IzU6HJbEcH8JEl3UouEk8RlN7BHXb3zViyaFYzYrVz9m hFp1Nox6pR5j+SQ7xbXopBFnPOmRCsvKklpJPNJOCYJuSFL58MRDItw/6QmK+qEw4yK/ ZXFe0PF+XEWtk/xniTcLd+EObV4MlHUXDDj9XRhXSj260Bpex35VDLmB7VsVcGWCgAz0 yQOXHyjIH2yMjCg/flEswP9b17VeCpKAlcBeccYhGsoI3CLDjPbwzGzN63fBZEVYJiym EhAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775746897; x=1776351697; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=99ro2vXgYbLolPPBo8Mdr0wz15miyOgxU6wtwQUoCuw=; b=joEiGf6XyS3WC4lVbfwzL6ycJhTKI6VtHFeVUyZdtfj894pYfXxbamX0mpLtxCKMaU TEz3RYxux2NrqPkqlarpBD/WZrE9eJ9TyKnDcbxo61DzhQ5f961SNAlhMEIa146MC5lr N60MejfGNCnu9ZTOaFA/sgivpRGUcy2fbG9DWpvNkZEv8Y47lH7QdDoECXiGE8vvlUEh DUOp2zKGZ5NsGPG6UATNyJGJPASqzCAog8HOyGGZTVZQZaDpEOAwc/9n103P8l+GV54e BnPvbmfsiKwn2wcbAcxfL7oVV43oEsq1ObPSb5KgjPKr7g6uoTW4DoP/xjnA3B1YAbA9 2k8A== X-Gm-Message-State: AOJu0Yz+phoQcGRBV7C0nkFGxVhcclSZ5v6O5HWFY9P6sAvZ/i+rzDzC WJC9IjUwvLjpFIzEHizup0ZlgsqnGaw5V+fDpS4pkoFT+/nQoeaS6y15aSCq7tkNMPTb6kbpgsk 5qLYslA106A== X-Received: from qkld10.prod.google.com ([2002:a05:620a:136a:b0:8cf:d0b8:9bfd]) (user=jmoroni job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6102:442c:b0:5ff:cb2c:a04c with SMTP id ada2fe7eead31-605a4cc1e5dmr10588809137.1.1775746896355; Thu, 09 Apr 2026 08:01:36 -0700 (PDT) Date: Thu, 9 Apr 2026 15:01:23 +0000 In-Reply-To: <20260409150123.3538444-1-jmoroni@google.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260409150123.3538444-1-jmoroni@google.com> X-Mailer: git-send-email 2.53.0.1213.gd9a14994de-goog Message-ID: <20260409150123.3538444-2-jmoroni@google.com> Subject: [PATCH 2/2] PCI/P2PDMA: Add Google SoCs to the P2P DMA host bridge list From: Jacob Moroni To: Bjorn Helgaas , Logan Gunthorpe , David Hu Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jacob Moroni Content-Type: text/plain; charset="UTF-8" All Google SoCs support p2p between root ports, so add a wildcard rule to the host bridge list. Tested-by: David Hu Signed-off-by: Jacob Moroni --- drivers/pci/p2pdma.c | 2 ++ include/linux/pci_ids.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 25e9358d0..7c898542a 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -548,6 +548,8 @@ static const struct pci_p2pdma_whitelist_entry { {PCI_VENDOR_ID_INTEL, 0x2033, 0}, {PCI_VENDOR_ID_INTEL, 0x2020, 0}, {PCI_VENDOR_ID_INTEL, 0x09a2, 0}, + /* Google SoCs. */ + {PCI_VENDOR_ID_GOOGLE, PCI_ANY_ID, 0}, {} }; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 406abf629..24cb42f66 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2586,6 +2586,8 @@ #define PCI_VENDOR_ID_AZWAVE 0x1a3b +#define PCI_VENDOR_ID_GOOGLE 0x1ae0 + #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 #define PCI_SUBDEVICE_ID_QEMU 0x1100 -- 2.53.0.1213.gd9a14994de-goog