From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030671AbWF0Eix (ORCPT ); Tue, 27 Jun 2006 00:38:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030661AbWF0Eik (ORCPT ); Tue, 27 Jun 2006 00:38:40 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:31702 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S1030658AbWF0Eib (ORCPT ); Tue, 27 Jun 2006 00:38:31 -0400 From: Nigel Cunningham Subject: [Suspend2][ 08/12] [Suspend2] Encryption resources needed. Date: Tue, 27 Jun 2006 14:38:30 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060627043828.14437.24057.stgit@nigel.suspend2.net> In-Reply-To: <20060627043803.14437.68085.stgit@nigel.suspend2.net> References: <20060627043803.14437.68085.stgit@nigel.suspend2.net> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Add routines to return the amount of memory and header storage needed for the encryption module. Signed-off-by: Nigel Cunningham kernel/power/encryption.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/kernel/power/encryption.c b/kernel/power/encryption.c index 25db7ba..d12eb47 100644 --- a/kernel/power/encryption.c +++ b/kernel/power/encryption.c @@ -297,3 +297,23 @@ static int suspend_encrypt_print_debug_s return len; } +/* encryption_memory_needed + * + * Description: Tell the caller how much memory we need to operate during + * suspend/resume. + * Returns: Unsigned long. Maximum number of bytes of memory required for + * operation. + */ +static unsigned long suspend_encrypt_memory_needed(void) +{ + return PAGE_SIZE; +} + +static unsigned long suspend_encrypt_storage_needed(void) +{ + return 4 + strlen(suspend_encryptor_name) + + (suspend_encryptor_save_key_and_iv ? + (4 + strlen(suspend_encryptor_key) + + strlen(suspend_encryptor_iv)) : 0); +} + -- Nigel Cunningham nigel at suspend2 dot net