From patchwork Sun Mar 24 00:26:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Yi Lee X-Patchwork-Id: 10867315 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C639117E0 for ; Sun, 24 Mar 2019 00:26:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF56B29820 for ; Sun, 24 Mar 2019 00:26:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A2D4A29883; Sun, 24 Mar 2019 00:26:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C9FA29820 for ; Sun, 24 Mar 2019 00:26:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727526AbfCXA0o (ORCPT ); Sat, 23 Mar 2019 20:26:44 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:41393 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727319AbfCXA0o (ORCPT ); Sat, 23 Mar 2019 20:26:44 -0400 Received: by mail-pg1-f195.google.com with SMTP id k11so3948990pgb.8; Sat, 23 Mar 2019 17:26:43 -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; bh=dZhxDdC/Qe4tqiAOQJ+sInBhscxUK5dRSwY91CjQlSQ=; b=Spyy5rGW+mybuiFbAZSI3utxWF/QbLOVK0U/rl6IYo3mkRjCowmXiJYqJCUnab4Uns 8AKSCgHNnuiS0A01agvJmQYCKtX+QdlgjGCWkJVdsXd7xBS1P1hYqqv3abm7HzUyl8EZ RDu3lYmVAbYBAwcuumFxOoQqnDZ+CB9wm+gp3LVubEggi85oMaDPd3hfA9Lu5E+7ar59 5sqCofMA2/V4+OztSXTkTpjBoP3ff1LDFYBjLkHesDLdabNveX03sOnMlVQPo22JcNCI /lqVJvuID0K5KpKAN0S0ECW/qbi2O/QuQjoseBPVwm3UGOTsPHwz8tWLIDytBKGBfE8T Fn3A== 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=dZhxDdC/Qe4tqiAOQJ+sInBhscxUK5dRSwY91CjQlSQ=; b=OTleZJ32DDVGcU39itjsIgB8YRvo9Twhnt/G2U1kx1hBgcQBHGMnL8kJ3SuCUKqmxf 4uy2rWTlhB63Ji6O46UhE1wiArnrL6uFA/f/m6Nw7z1lUK7f/lJs86nsG2J1ZrYt6Nmj IjuSRilMl8KkX1cmtEueP30Ew+16Vpxyjxi58BuFc7Xzo4qJHlZaRBMmHnL7Vn+avSo2 rHpIlatWwvQnd8F31+nCLRn7wPEkKfCVhyD1Ct6WuG60DZ+H1qGaThixJmGuTWZ6HGCL Pe1p1NIlxtXn/BWzjkMN2X/vSNhs6+75nvrOgYp03iHpscCw1vLyX3uRwrf7OS/xcFpd q3pA== X-Gm-Message-State: APjAAAUPdx2R0hyEcvC1mIl2/ubWxTHHF/FxCpomrfKcyEiPIPw3oXZG njFlDeTkXQT9IY5nI07svBM= X-Google-Smtp-Source: APXvYqxyrNhoqmRR2GtyxXyh4QHs1sQA01swBbH3fdhsIXVAgug9si2QT0NvHqrJ27GM4ugiyutOzQ== X-Received: by 2002:a17:902:8ecc:: with SMTP id x12mr5278077plo.0.1553387202877; Sat, 23 Mar 2019 17:26:42 -0700 (PDT) Received: from linux-l9pv.suse ([124.11.22.254]) by smtp.gmail.com with ESMTPSA id r66sm13737687pfr.131.2019.03.23.17.26.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 23 Mar 2019 17:26:41 -0700 (PDT) From: "Lee, Chun-Yi" X-Google-Original-From: "Lee, Chun-Yi" To: Ard Biesheuvel , James Morris , "Serge E . Hallyn" , David Howells , Josh Boyer , Nayna Jain , Mimi Zohar Cc: linux-efi@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, "Lee, Chun-Yi" , Kees Cook , Anton Vorontsov , Colin Cross , Tony Luck Subject: [PATCH 1/2] efi: add a function for transferring status to string Date: Sun, 24 Mar 2019 08:26:20 +0800 Message-Id: <20190324002621.3551-1-jlee@suse.com> X-Mailer: git-send-email 2.12.3 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP This function can be used to transfer EFI status code to string for printing out debug message. Using this function can improve the readability of log. Cc: Ard Biesheuvel Cc: Kees Cook Cc: Anton Vorontsov Cc: Colin Cross Cc: Tony Luck Signed-off-by: "Lee, Chun-Yi" --- include/linux/efi.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/include/linux/efi.h b/include/linux/efi.h index 54357a258b35..a43cb0dc37af 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1768,4 +1768,32 @@ struct linux_efi_memreserve { #define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \ / sizeof(((struct linux_efi_memreserve *)0)->entry[0])) +#define EFI_STATUS_STR(_status) \ +case EFI_##_status: \ + return "EFI_" __stringify(_status); + +static inline char * +efi_status_to_str(efi_status_t status) +{ + switch (status) { + EFI_STATUS_STR(SUCCESS) + EFI_STATUS_STR(LOAD_ERROR) + EFI_STATUS_STR(INVALID_PARAMETER) + EFI_STATUS_STR(UNSUPPORTED) + EFI_STATUS_STR(BAD_BUFFER_SIZE) + EFI_STATUS_STR(BUFFER_TOO_SMALL) + EFI_STATUS_STR(NOT_READY) + EFI_STATUS_STR(DEVICE_ERROR) + EFI_STATUS_STR(WRITE_PROTECTED) + EFI_STATUS_STR(OUT_OF_RESOURCES) + EFI_STATUS_STR(NOT_FOUND) + EFI_STATUS_STR(ABORTED) + EFI_STATUS_STR(SECURITY_VIOLATION) + default: + pr_warn("Unknown efi status: 0x%lx", status); + } + + return "Unknown efi status"; +} + #endif /* _LINUX_EFI_H */