From patchwork Mon Feb 12 14:50:05 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: 13553381 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 723603BB33 for ; Mon, 12 Feb 2024 14:51:24 +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=1707749486; cv=none; b=iyiPFVLAfm4i/vTJYhgYNx7srWLvNnr8nMVFPIbsKzjhgkD3ML8BimqHFtdOpulPr7nR2VO+Cye1ZdYU0FsaZfSnDUBL4ss5v3xkq7iq/NtebhhcUsPo7MIJfdR7cuAIpibOSqbMKCjUIpevpJSknBrRGD/cVRFYWW7JqzRQePc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749486; c=relaxed/simple; bh=OiujR5lhNKhEimBkSB+EFRf6rM0jXBiQhXbfsxIV9UE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Axr3lIZZoUARrUmDPsZ8DoiUMmMIir94rlfbJJeziPBMLOZiUFQn7kyO+r8HOFWqjS+qlEuLXWaavOIG4T9K4O37UOhW5ZZR19A3HqItArnSa2/foANO+mgeK3hqBkEwelvsVouMyI5etZ6uwOhAUpxKW2MDCA0NPG8Mh7cYgHI= 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=u3EpcVKE; 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="u3EpcVKE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707749482; bh=OiujR5lhNKhEimBkSB+EFRf6rM0jXBiQhXbfsxIV9UE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=u3EpcVKEmcqpDIx/5waMjmUKIUIl0Boy2XqZqUi01fAXxocc0wSx+sXm6HN4uQy5/ sXZITsUKLcGkbFg5ity4LvFazzYGWMSogdiQdLFlO7+Bb0DhGbHZxNgyh/1fRQD/kZ rGjpPm8YYdNYAFPXd7seJX1G1YCVx4UYgjZuwDjVDwqsStncmt+/yMI3+DdnJA/3e2 Q13eGoqmTLdyHKgjLRdqJ+0ariP7aibUNHU2ZqdNJcEOzJwWwY54atV0+wFfmLsiHW XjRjl6RnKlhtRCTpQsQ5CV4J+t+8nGG/Nr/qZRkauyG1rdZ5OkN1PJNwR4O2sp4nJ0 6suxZhvZcRxvQ== Received: from [192.168.1.30] (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 9C5FD37810EF; Mon, 12 Feb 2024 14:51:19 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 12 Feb 2024 09:50:05 -0500 Subject: [PATCH v4 1/4] firmware: coreboot: Generate modalias uevent for devices Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-coreboot-mod-defconfig-v4-1-d14172676f6d@collabora.com> References: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> In-Reply-To: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@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 , Greg Kroah-Hartman , 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 a modalias uevent for devices in the coreboot bus to allow userspace to automatically load the corresponding modules. Acked-by: Brian Norris Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado --- drivers/firmware/google/coreboot_table.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c index 2a4469bf1b81..c1b9a9e8e8ed 100644 --- a/drivers/firmware/google/coreboot_table.c +++ b/drivers/firmware/google/coreboot_table.c @@ -53,11 +53,20 @@ static void coreboot_bus_remove(struct device *dev) driver->remove(device); } +static int coreboot_bus_uevent(const struct device *dev, struct kobj_uevent_env *env) +{ + struct coreboot_device *device = CB_DEV(dev); + u32 tag = device->entry.tag; + + return add_uevent_var(env, "MODALIAS=coreboot:t%08X", tag); +} + static struct bus_type coreboot_bus_type = { .name = "coreboot", .match = coreboot_bus_match, .probe = coreboot_bus_probe, .remove = coreboot_bus_remove, + .uevent = coreboot_bus_uevent, }; static void coreboot_device_release(struct device *dev) From patchwork Mon Feb 12 14:50:06 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: 13553382 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 BC2A33C48C for ; Mon, 12 Feb 2024 14:51:27 +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=1707749489; cv=none; b=OFr6EgkS0m48zTTWHaYVLHJLmeFa6Xr0jthd230hhpfGLPURKLJq5XJgnMCFy25V+Tf+wD6RQBTTHS/h/A/oKwosNWo5SEINJpXzhL0pWB2vPBilmQw/auZuLRvHbDJfdTHcHhIjt0UHvvOvj3eicJ26KPqv4luP7TydZMAqhc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749489; c=relaxed/simple; bh=1TCvFrGXA9WRNIGq5qiS6fBnB/8Sfm3xS2xnBDJoK28=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VEyZlOqY6LnfiEAxFKIIw2IAXltlCuQ6x/66nqIfk0TuM0HVe588Z1V6TdY8Qbses8cLaoYr/ChJ+OTnYRukPBYqYIXVZ5XtF1NLoEJc7UCKNdhMOw0Y12jBc/NmcSxVOtyhnIc5RPsIWJ7N69bUnELVGyKQUBq0N+EZZiZMmEE= 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=GX8DLeUc; 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="GX8DLeUc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707749486; bh=1TCvFrGXA9WRNIGq5qiS6fBnB/8Sfm3xS2xnBDJoK28=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=GX8DLeUcsHn718WGmcEX+K25/QWmMhkgZHgz5FKPw2HfaP9wTwEFGpGbXFQZsSJ4E dY2G11h816hu9Bo86/VdQWeFvWL7C9l4uk4sHfobftI68YLgqph1qUwOhCEVdw837w 7ugfshFFKYdaRfe/1P6yEwDcMe577HoMELj9FLcsy4kjI4yFHkuwRCjpEU/BhRRpEA Sdm0AAnmsSKjKmU7UaFydCBPm990kV70cA8irr2WS2BaIJMAVrIxIGV+sHwMSeZRmO Tqp7anmsAXg6MRzc3wkFwJ5NwQsq4WF21o9mCgcBSRM5kdStPaIpGNPn7+NtIkPvXd IDtAo4++BWVhA== Received: from [192.168.1.30] (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 2FE39378203F; Mon, 12 Feb 2024 14:51:23 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 12 Feb 2024 09:50:06 -0500 Subject: [PATCH v4 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: <20240212-coreboot-mod-defconfig-v4-2-d14172676f6d@collabora.com> References: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> In-Reply-To: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@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 , Greg Kroah-Hartman , 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 Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado Acked-by: Masahiro Yamada --- include/linux/mod_devicetable.h | 10 ++++++++++ scripts/mod/devicetable-offsets.c | 3 +++ scripts/mod/file2alias.c | 10 ++++++++++ 3 files changed, 23 insertions(+) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index f458469c5ce5..7a9a07ea451b 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -960,4 +960,14 @@ struct vchiq_device_id { char name[32]; }; +/** + * struct coreboot_device_id - Identifies a coreboot table entry + * @tag: tag ID + * @driver_data: driver specific data + */ +struct coreboot_device_id { + __u32 tag; + kernel_ulong_t driver_data; +}; + #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. From patchwork Mon Feb 12 14:50:07 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: 13553383 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 DD8CB3B79C for ; Mon, 12 Feb 2024 14:51:30 +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=1707749492; cv=none; b=Qn2TsrafIfzBxPNZDIhckk0j+Ppg7MnvdMx7BJoU7jXdvmP4XtsfBsi8eFN1T+PLIShJfhARi9uMVH25fDG+5vw+WWzfXsgXbB+PbC/qIn5eBWHLWaBsCWvTvwSrrOPo1oPtykfDlJWp17OpQ6Fg3pZAV345Sf3Y87AMuwRRi3U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749492; c=relaxed/simple; bh=2YazRus17kIzAJnZt/Xcx5DkIWkxOxNttVVGwgfNxTY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=p8/NgzQsjb6BuWbA27cQn4eWKSjD/iwbKcMTnVXbBo/zFs6hCw8J9edLlPyzeS284TAcD4OerJ5bf6rh3l7MOlykDBNgR67fFJaN6wXz1SxRJuy8fSQDrDz55WHB9FmBOHQIKjRiM/VsCyiLU+C7BJ9/I4Pc/zsdiDpYAW8sukY= 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=jCh3ZlbA; 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="jCh3ZlbA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707749489; bh=2YazRus17kIzAJnZt/Xcx5DkIWkxOxNttVVGwgfNxTY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=jCh3ZlbAWxcEHTFfj5OiAFAso89vXFUCdMfUZqDWIPseDllYp/WgvIN9bATtwLl83 RTCSEem/cOIhHvdMz9aEwFrtEvESaUkg4RKNkvjK+6m+p90ADLFoSjxtCW7h5L3WcC 2x10zi3CWnek0QCaQPNxqBVnsiCB7mxJDb3a1Fayy3JljwWgXaqACLQ4eCwTFnhC6/ 89GyFxcYdEeK+3AueFqyy3Zmg1G3vE5+F2RxWHR03XOLQAmDzkblkb7NyjlsOBB6EX aBNL89HbdtVss8OBJDHpotNii13wkHK2icQER2iXjrgAkUCxyiU3PKR0XFJadyum3g AqgW5hG6lzuLg== Received: from [192.168.1.30] (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 931A33780C22; Mon, 12 Feb 2024 14:51:26 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 12 Feb 2024 09:50:07 -0500 Subject: [PATCH v4 3/4] firmware: coreboot: Replace tag with id table in driver struct Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-coreboot-mod-defconfig-v4-3-d14172676f6d@collabora.com> References: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> In-Reply-To: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@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 , Greg Kroah-Hartman , 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 Switch the plain 'tag' field in struct coreboot_driver for the newly created coreboot_device_id struct, which also contains a tag field and has the benefit of allowing modalias generation, and update all coreboot drivers accordingly. While at it, also add the id table for each driver to the module device table to allow automatically loading the module. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado --- drivers/firmware/google/cbmem.c | 8 +++++++- drivers/firmware/google/coreboot_table.c | 11 ++++++++++- drivers/firmware/google/coreboot_table.h | 3 ++- drivers/firmware/google/framebuffer-coreboot.c | 8 +++++++- drivers/firmware/google/memconsole-coreboot.c | 8 +++++++- drivers/firmware/google/vpd.c | 8 +++++++- 6 files changed, 40 insertions(+), 6 deletions(-) diff --git a/drivers/firmware/google/cbmem.c b/drivers/firmware/google/cbmem.c index 88e587ba1e0d..c2bffdc352a3 100644 --- a/drivers/firmware/google/cbmem.c +++ b/drivers/firmware/google/cbmem.c @@ -114,6 +114,12 @@ static int cbmem_entry_probe(struct coreboot_device *dev) return 0; } +static const struct coreboot_device_id cbmem_ids[] = { + { .tag = LB_TAG_CBMEM_ENTRY }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(coreboot, cbmem_ids); + static struct coreboot_driver cbmem_entry_driver = { .probe = cbmem_entry_probe, .drv = { @@ -121,7 +127,7 @@ static struct coreboot_driver cbmem_entry_driver = { .owner = THIS_MODULE, .dev_groups = dev_groups, }, - .tag = LB_TAG_CBMEM_ENTRY, + .id_table = cbmem_ids, }; module_coreboot_driver(cbmem_entry_driver); diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c index c1b9a9e8e8ed..33971cf33112 100644 --- a/drivers/firmware/google/coreboot_table.c +++ b/drivers/firmware/google/coreboot_table.c @@ -28,8 +28,17 @@ static int coreboot_bus_match(struct device *dev, struct device_driver *drv) { struct coreboot_device *device = CB_DEV(dev); struct coreboot_driver *driver = CB_DRV(drv); + const struct coreboot_device_id *id; - return device->entry.tag == driver->tag; + if (!driver->id_table) + return 0; + + for (id = driver->id_table; id->tag; id++) { + if (device->entry.tag == id->tag) + return 1; + } + + return 0; } static int coreboot_bus_probe(struct device *dev) diff --git a/drivers/firmware/google/coreboot_table.h b/drivers/firmware/google/coreboot_table.h index d814dca33a08..86427989c57f 100644 --- a/drivers/firmware/google/coreboot_table.h +++ b/drivers/firmware/google/coreboot_table.h @@ -13,6 +13,7 @@ #define __COREBOOT_TABLE_H #include +#include /* Coreboot table header structure */ struct coreboot_table_header { @@ -93,7 +94,7 @@ struct coreboot_driver { int (*probe)(struct coreboot_device *); void (*remove)(struct coreboot_device *); struct device_driver drv; - u32 tag; + const struct coreboot_device_id *id_table; }; /* Register a driver that uses the data from a coreboot table. */ diff --git a/drivers/firmware/google/framebuffer-coreboot.c b/drivers/firmware/google/framebuffer-coreboot.c index 5c84bbebfef8..07c458bf64ec 100644 --- a/drivers/firmware/google/framebuffer-coreboot.c +++ b/drivers/firmware/google/framebuffer-coreboot.c @@ -80,13 +80,19 @@ static void framebuffer_remove(struct coreboot_device *dev) platform_device_unregister(pdev); } +static const struct coreboot_device_id framebuffer_ids[] = { + { .tag = CB_TAG_FRAMEBUFFER }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(coreboot, framebuffer_ids); + static struct coreboot_driver framebuffer_driver = { .probe = framebuffer_probe, .remove = framebuffer_remove, .drv = { .name = "framebuffer", }, - .tag = CB_TAG_FRAMEBUFFER, + .id_table = framebuffer_ids, }; module_coreboot_driver(framebuffer_driver); diff --git a/drivers/firmware/google/memconsole-coreboot.c b/drivers/firmware/google/memconsole-coreboot.c index 74b5286518ee..24c97a70aa80 100644 --- a/drivers/firmware/google/memconsole-coreboot.c +++ b/drivers/firmware/google/memconsole-coreboot.c @@ -96,13 +96,19 @@ static void memconsole_remove(struct coreboot_device *dev) memconsole_exit(); } +static const struct coreboot_device_id memconsole_ids[] = { + { .tag = CB_TAG_CBMEM_CONSOLE }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(coreboot, memconsole_ids); + static struct coreboot_driver memconsole_driver = { .probe = memconsole_probe, .remove = memconsole_remove, .drv = { .name = "memconsole", }, - .tag = CB_TAG_CBMEM_CONSOLE, + .id_table = memconsole_ids, }; module_coreboot_driver(memconsole_driver); diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c index ee6e08c0592b..8e4216714b29 100644 --- a/drivers/firmware/google/vpd.c +++ b/drivers/firmware/google/vpd.c @@ -306,13 +306,19 @@ static void vpd_remove(struct coreboot_device *dev) kobject_put(vpd_kobj); } +static const struct coreboot_device_id vpd_ids[] = { + { .tag = CB_TAG_VPD }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(coreboot, vpd_ids); + static struct coreboot_driver vpd_driver = { .probe = vpd_probe, .remove = vpd_remove, .drv = { .name = "vpd", }, - .tag = CB_TAG_VPD, + .id_table = vpd_ids, }; module_coreboot_driver(vpd_driver); From patchwork Mon Feb 12 14:50:08 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: 13553384 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 AFE6A3CF52 for ; Mon, 12 Feb 2024 14:51:34 +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=1707749496; cv=none; b=d/ZC4vz5AYP9D8i2OY5AlPPeqrgA/njnvQpVgDdUBj0+bndL9OOMoAVmQv84t0KQIm/nqyqcQ65UQ/gF5bnqb77nwKZ44IxVVzCyQHk5jotMxR/rVEzRrgMA20QuuvQbNdTmruJQkMmFRmhvsWmbve4tMtgE4EKX04G5RTySXYg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749496; c=relaxed/simple; bh=6X0d2IvNibIl56LRw76KLgL3zAFeQRXW6NnnwscrVLA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=b5vB39obKsQ2otxsfzabTTwuA3HywxJmvaJayGqaS6yvMK/pHHz/AT0fksXmur2+ExebV63Ja/NDFYjgjnFoBlAaGVtgeMzY5uhZ8d1mRCOdUs1sRI9u8U7/nfsgQ5RMekB28XodjYOHVY177JZKls7xUqKmKO9fH7XI3lXh7Is= 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=QpbkmfCW; 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="QpbkmfCW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707749493; bh=6X0d2IvNibIl56LRw76KLgL3zAFeQRXW6NnnwscrVLA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=QpbkmfCWJzIcJfM0t5YGGzIZIf+8Tp7zIuPnPxpHIXbRimZEN5bkVTCVJViIZLp2x A+91vAuKSk3GzDg346OTBFEBRTUax6XL4st40STh1HCPASUdpW9kdEiFKa4hLzbIWT 2ZEGM1E8TIKE5V0JNgLeDyh9tMvRlTh0ZrgTO751IMKKWVCJKYwNQzqUDGx4pxPJgS 1Sj5ZCXKBRlYF16H2xeLnX+2nXHd986ulU46O9H4WfKhoVHQ9fybjRN/V13lz+BlnJ 47mBzu4bsli15XU14/dQrhhNDSCvG/QVJJbUvh5fiHqrXJTlO7tB9mKnvpMbvUBceP hu2u+HSRoP75w== Received: from [192.168.1.30] (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 DC4BF378203F; Mon, 12 Feb 2024 14:51:29 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 12 Feb 2024 09:50:08 -0500 Subject: [PATCH v4 4/4] arm64: defconfig: Enable support for cbmem entries in the coreboot table Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-coreboot-mod-defconfig-v4-4-d14172676f6d@collabora.com> References: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> In-Reply-To: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@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 , Greg Kroah-Hartman , 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 Enable the cbmem driver and dependencies in order to support reading cbmem entries from the coreboot table, which are used to store logs from coreboot on arm64 Chromebooks, and provide useful information for debugging the boot process on those devices. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado --- arch/arm64/configs/defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 361c31b5d064..49121133f045 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -255,6 +255,9 @@ CONFIG_INTEL_STRATIX10_RSU=m CONFIG_MTK_ADSP_IPC=m CONFIG_QCOM_QSEECOM=y CONFIG_QCOM_QSEECOM_UEFISECAPP=y +CONFIG_GOOGLE_FIRMWARE=y +CONFIG_GOOGLE_CBMEM=m +CONFIG_GOOGLE_COREBOOT_TABLE=m CONFIG_EFI_CAPSULE_LOADER=y CONFIG_IMX_SCU=y CONFIG_IMX_SCU_PD=y