From patchwork Wed Jan 17 19:03:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 13522113 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C5C724B3C for ; Wed, 17 Jan 2024 19:05:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705518361; cv=none; b=O3GXqLRhP11Z1LWMNgJEPZFbGQ09HicGjY1L53EbiVvXScIPCyR0ydUClFFZzg8Y6YlU+3we67PUMAKjXHyeH56j1tCGnMiAkzYgUaOJEWKkwtqVqpeL7pqvK69VBLkPjhRKp7GFDFCjgxrXqJ9BRBIxJGlWsVtrO/ddsc5ZRzQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705518361; c=relaxed/simple; bh=eOeOU3x614lsawB+rslBo/giR4eO6xhTQjWM2UWOobU=; h=DKIM-Signature:Received:From:Date:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id:References: In-Reply-To:To:Cc:X-Mailer; b=WYQZ+8Q8VjFew7c7QerisoErYuerZtWxAbrpffvcK1eIDUf/1iNRsB5vCNtptuc63yFxOiNXO1ZpecAe/OtjohCNlB8G2d2isGDNtH9BpHL6pFdR+gDL/3Seu8rVbLOAhhP9YgIQSH2gOmPBL4FJBuR7ybGb3Xp3p3rcRkeKaU0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=GXop1/AP; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="GXop1/AP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705518358; bh=eOeOU3x614lsawB+rslBo/giR4eO6xhTQjWM2UWOobU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=GXop1/APn+/hjPS2SlNEWm1M7m5jGZ1Ar+IYRFjIvHr/W5ryRiPW/BokDnimXt5lp PZM1pHH/SPsEMdYfu95Zg1/K8gN6V1W2A9p069azSnp3M0upE4yFSjd8wl7jloLaxn 5HNjMw5QlU81epDaBPj27tbGAxMpY4T+WmKau4Jc+8cBE+hZjqhh2LwgNWqppEotCh N0BZnvm+h0G7Wl1FGNsJ1ep7fVIxNdyN+qkoGy+PCO6b23lwVI/5U7uqOCnDc9ZmRq tSfr+OtvQOXYZLzIhEq1fjkQd+lgAYWA4V0R/WEADLmiDAgRNfTP8eyBOb2U2AeCW4 ZU6KttHP/8QbQ== Received: from [192.168.0.47] (zone.collabora.co.uk [167.235.23.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 6DD643782066; Wed, 17 Jan 2024 19:05:53 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Wed, 17 Jan 2024 16:03:23 -0300 Subject: [PATCH v3 2/4] firmware: coreboot: Generate aliases for coreboot modules Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240117-coreboot-mod-defconfig-v3-2-049565a27bba@collabora.com> References: <20240117-coreboot-mod-defconfig-v3-0-049565a27bba@collabora.com> In-Reply-To: <20240117-coreboot-mod-defconfig-v3-0-049565a27bba@collabora.com> To: Tzung-Bi Shih Cc: Arnd Bergmann , Brian Norris , Julius Werner , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Catalin Marinas , Will Deacon , AngeloGioacchino Del Regno , Andy Shevchenko , kernel@collabora.com, chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Mailer: b4 0.12.4 Generate aliases for coreboot modules to allow automatic module probing. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Nícolas F. R. A. Prado --- include/linux/mod_devicetable.h | 8 ++++++++ scripts/mod/devicetable-offsets.c | 3 +++ scripts/mod/file2alias.c | 10 ++++++++++ 3 files changed, 21 insertions(+) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index f458469c5ce5..24e0dcfde809 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -960,4 +960,12 @@ struct vchiq_device_id { char name[32]; }; +/** + * struct coreboot_device_id - Identifies a coreboot table entry + * @tag: tag ID + */ +struct coreboot_device_id { + __u32 tag; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index e91a3c38143b..518200813d4e 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -274,5 +274,8 @@ int main(void) DEVID(vchiq_device_id); DEVID_FIELD(vchiq_device_id, name); + DEVID(coreboot_device_id); + DEVID_FIELD(coreboot_device_id, tag); + return 0; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 4829680a0a6d..5d1c61fa5a55 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -1494,6 +1494,15 @@ static int do_vchiq_entry(const char *filename, void *symval, char *alias) return 1; } +/* Looks like: coreboot:tN */ +static int do_coreboot_entry(const char *filename, void *symval, char *alias) +{ + DEF_FIELD(symval, coreboot_device_id, tag); + sprintf(alias, "coreboot:t%08X", tag); + + return 1; +} + /* Does namelen bytes of name exactly match the symbol? */ static bool sym_is(const char *name, unsigned namelen, const char *symbol) { @@ -1575,6 +1584,7 @@ static const struct devtable devtable[] = { {"ishtp", SIZE_ishtp_device_id, do_ishtp_entry}, {"cdx", SIZE_cdx_device_id, do_cdx_entry}, {"vchiq", SIZE_vchiq_device_id, do_vchiq_entry}, + {"coreboot", SIZE_coreboot_device_id, do_coreboot_entry}, }; /* Create MODULE_ALIAS() statements.