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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,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 86C3DC43144 for ; Fri, 29 Jun 2018 08:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3ABAB2787D for ; Fri, 29 Jun 2018 08:14:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="nuJPLZWg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3ABAB2787D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934850AbeF2IOD (ORCPT ); Fri, 29 Jun 2018 04:14:03 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:37573 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934799AbeF2IN7 (ORCPT ); Fri, 29 Jun 2018 04:13:59 -0400 Received: by mail-pf0-f193.google.com with SMTP id h20-v6so1934989pfn.4 for ; Fri, 29 Jun 2018 01:13:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id; bh=OzgGn+Q4isfRNiycbtBKaigAmf6rTndiL1fQJSnnjt4=; b=nuJPLZWgMy5x/DllJ0f9bws6EJn7EuTd+YXMnVmC2T2b4rRmf9TRFtSkb8NpDXRsEP XkaJCY3S+a8UexVNdudRr5+d9iZ9SfwjTG4Lz6W9ZGHTTEjIgjTVcdNJ7aZi/n5rQr2C mIkdSZ0LjMrbOepYeph1BaT0zETYWtgV5Hmqw= 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; bh=OzgGn+Q4isfRNiycbtBKaigAmf6rTndiL1fQJSnnjt4=; b=AeE+5cFajPNa5fzFSjpy2u51KL2REhT8oo5xnZsTq16ud7XW5i9u9jHyQn4ox6HQpU Nw5R+0XtckLOpMZMyUDZf7fNB6o0qmGK6WAULxLlihGJ0qG9SyhzZsy5qP5kcP5meerm KAeJgDk6a7msal3ZYS30/F1KEtSwVLGkrcpwXcD6DmA9OQB43WN9kpvijbtMsLgFZsxp SxkT0zCmN9yiZeNMR6hX5qdMs6Macs5vTNRqxo3eRvwFtWaJe2F4IxWIymisqk5THjJ7 ASRUWCrR+C0hf8UCDEQ+cXxI5orMglsUlvOTfW/TjZ/2Hkg8rrBaeVLJhmMo/isNM6/R 1voQ== X-Gm-Message-State: APt69E0iiBM75WNyq5MAfXuhhgJcktBrzLsfHYQTx6krrFxbcRJXV3Ol YNEajy0alaWa1t/f88DyZcTFfqe3NJU= X-Google-Smtp-Source: ADUXVKI4IIgRqhwccVLliC3PUz0EbFQJGPdvShoSOUhiYOP7cEV17WGQdu6uP/KT0lAgeaLU7R7jmw== X-Received: by 2002:a63:107:: with SMTP id 7-v6mr11490038pgb.289.1530260039314; Fri, 29 Jun 2018 01:13:59 -0700 (PDT) Received: from excession.tpe.corp.google.com ([2401:fa00:1:10:3987:9bf6:3352:7574]) by smtp.gmail.com with ESMTPSA id p19-v6sm5494749pfd.75.2018.06.29.01.13.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 29 Jun 2018 01:13:58 -0700 (PDT) From: Louis Collard To: linux-integrity@vger.kernel.org Cc: Peter Huewe , Jarkko Sakkinen , Jason Gunthorpe , Arnd Bergmann , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, apronin@chromium.org Subject: [PATCH v2] tpm: Allow tpm_tis drivers to set hwrng quality. Date: Fri, 29 Jun 2018 16:13:55 +0800 Message-Id: <20180629081355.155317-1-louiscollard@chromium.org> X-Mailer: git-send-email 2.13.5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adds plumbing required for drivers based on tpm_tis to set hwrng quality. Signed-off-by: Louis Collard --- Changes since v1: - based on (hopefully!) correct git tree drivers/char/tpm/tpm_tis_core.c | 2 ++ drivers/char/tpm/tpm_tis_core.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 8b46aaa9e049..d2345d9fd7b5 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -875,6 +875,8 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq, chip->acpi_dev_handle = acpi_dev_handle; #endif + chip->hwrng.quality = priv->rng_quality; + /* Maximum timeouts */ chip->timeout_a = msecs_to_jiffies(TIS_TIMEOUT_A_MAX); chip->timeout_b = msecs_to_jiffies(TIS_TIMEOUT_B_MAX); diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h index f6e1dbe212a7..f48125f1e6e0 100644 --- a/drivers/char/tpm/tpm_tis_core.h +++ b/drivers/char/tpm/tpm_tis_core.h @@ -99,6 +99,7 @@ struct tpm_tis_data { wait_queue_head_t int_queue; wait_queue_head_t read_queue; const struct tpm_tis_phy_ops *phy_ops; + unsigned short rng_quality; }; struct tpm_tis_phy_ops { -- 2.13.5