From patchwork Fri Jan 12 13:18:31 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: 13518473 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 41A1D6D1A3 for ; Fri, 12 Jan 2024 13:21:22 +0000 (UTC) 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="T3qA3z5I" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705065680; bh=sPz7qlYsrHlq3cCOtHZi7BOxHqEKVr3tJDgaD7Qlm4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T3qA3z5IeURvAorefJ8yBC9ViApTUBJv7sEOilZu1dK9dPr99ixr/x5svUv3Yc5xQ j3hW3cAO3CKI73X3LCB6LyfIviNFq8IOOCkJWSj/b2SDVr2KH3hNsm7Ks6P1SZBvK2 sHkvvm2bN8OLRPTVc2UU3pRk+0hveFvAsNqDv5PE7yX+xfeHVsqKVEqCwVLplS2YvO YRFiZbvuNUZ/5cV5CyYuYP1iRikzbXEmE/gwzMfWZr3G2RpxOHEcEgYNDcvvsGWQ3l DmdrGOnVYVpVKwkpAfd/G2poivJI35vMzqBeQl3vaySdsB3fhd/tFdCeVSADM1Ktlk h8PtR3BdBI3RA== Received: from localhost.localdomain (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 685293782032; Fri, 12 Jan 2024 13:21:15 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Tzung-Bi Shih Cc: kernel@collabora.com, AngeloGioacchino Del Regno , chrome-platform@lists.linux.dev, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Abhijit Gangurde , Andy Shevchenko , Greg Kroah-Hartman , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nipun Gupta , Pieter Jansen van Vuuren , Umang Jain , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/7] firmware: coreboot: Generate aliases for coreboot modules Date: Fri, 12 Jan 2024 10:18:31 -0300 Message-ID: <20240112131857.900734-3-nfraprado@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240112131857.900734-1-nfraprado@collabora.com> References: <20240112131857.900734-1-nfraprado@collabora.com> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Generate aliases for coreboot modules to allow automatic module probing. Signed-off-by: Nícolas F. R. A. Prado --- (no changes since v1) 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.