From patchwork Fri Oct 13 11:48:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 733933 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19232CDB482 for ; Fri, 13 Oct 2023 11:49:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231459AbjJMLs7 (ORCPT ); Fri, 13 Oct 2023 07:48:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231443AbjJMLs6 (ORCPT ); Fri, 13 Oct 2023 07:48:58 -0400 Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69152BE for ; Fri, 13 Oct 2023 04:48:55 -0700 (PDT) Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-40651a72807so20691455e9.1 for ; Fri, 13 Oct 2023 04:48:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1697197734; x=1697802534; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=M6K09Y088XexdMauihB7tdz9YQTYF7/0bl19cPr5Q5A=; b=jZtU7wtqk/AoYAse6fb/gcCj+ge9dz0qVkpv8H6EAysHrGMronNKxixPPiiAhWtXUe bE/gPebd3+HvwwMt3x7LmWm8SwedWoi88caiTpa1f7NXxO5u/Bpf1aoC+MEehu/HI2Sk Fhl5WVYF5SjBTRDV2Bctu9cjKfzdlJvtKKb/Hxmeevv4dyVp5UvrnhKZJY6hYx9LYjl5 NX8r4xpEbut1Gg8pju/Lk7/WkC7fuJlU3GyiCWBZhYEflZ3qTK4KkI/EA7mWeuTkUCn4 feiLHsa2Vg6r6dMvX6cDjSEqIDllAh06X07CFYFw5dm6Limj4FL74zB9JlIEbjVtooth P4hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697197734; x=1697802534; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=M6K09Y088XexdMauihB7tdz9YQTYF7/0bl19cPr5Q5A=; b=Prb+fJrSsKZT7BEqY+sKsPsMyILu7IWAo3nbwXrWjmyxse7Z0PGWYmiRKo7K9e+FBG bkLHsnoJQV9ZUWmkxgty/OwnGh7v8TNWNNlLI0A8DklqwoAYktssweFxmvZhrCGGqfrw OBH67VCaYeAGSfJ9wsH8950+bqfmDfhwGv7vb5eTPjRt5HPzOwDGV9YXusDz32oE3BW2 O0vcqKpBY+2xobgY6hNZawlSdWP7/lfW3S5WgWp2zUyOvUR+nGos7yuAFS3KMvYZkVUF 8bJSaI5I58f6uK70lLnACFO234H+uhIzJmmuRaurwYaIqez/igjrtxDUMAHwEV0ukiWs 29sg== X-Gm-Message-State: AOJu0YyZcgvM1ZHg0frAoE7U7i6DUtlNaxBFzHjbJb8Do7Ttt2lqNVnm DBrIA0cCQXWLMQInwrGQ6l+LJQ== X-Google-Smtp-Source: AGHT+IEJPz0H2qQX8CUPXs+F4O0gQvXaW4Tl6lcsbDcdyUJFwnfqxdX6pJCmcKkqyhn1RigNOYD/6Q== X-Received: by 2002:a1c:7419:0:b0:405:7b92:453e with SMTP id p25-20020a1c7419000000b004057b92453emr23606459wmc.37.1697197733668; Fri, 13 Oct 2023 04:48:53 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:4209:13a:988d:80be]) by smtp.gmail.com with ESMTPSA id j23-20020a05600c1c1700b00407754b998dsm974509wms.27.2023.10.13.04.48.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 04:48:53 -0700 (PDT) From: Bartosz Golaszewski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Elliot Berman , Krzysztof Kozlowski , Guru Das Srinagesh , Andrew Halaney , Maximilian Luz , Alex Elder , Srini Kandagatla Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Bartosz Golaszewski Subject: [PATCH v4 01/15] firmware: qcom: move Qualcomm code into its own directory Date: Fri, 13 Oct 2023 13:48:29 +0200 Message-Id: <20231013114843.63205-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231013114843.63205-1-brgl@bgdev.pl> References: <20231013114843.63205-1-brgl@bgdev.pl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Bartosz Golaszewski We're getting more and more qcom specific .c files in drivers/firmware/ and about to get even more. Create a separate directory for Qualcomm firmware drivers and move existing sources in there. Signed-off-by: Bartosz Golaszewski Acked-by: Elliot Berman Reviewed-by: Krzysztof Kozlowski Reviewed-by: Maximilian Luz --- MAINTAINERS | 4 +- drivers/firmware/Kconfig | 48 +--------------- drivers/firmware/Makefile | 5 +- drivers/firmware/qcom/Kconfig | 56 +++++++++++++++++++ drivers/firmware/qcom/Makefile | 9 +++ drivers/firmware/{ => qcom}/qcom_qseecom.c | 0 .../{ => qcom}/qcom_qseecom_uefisecapp.c | 0 drivers/firmware/{ => qcom}/qcom_scm-legacy.c | 0 drivers/firmware/{ => qcom}/qcom_scm-smc.c | 0 drivers/firmware/{ => qcom}/qcom_scm.c | 0 drivers/firmware/{ => qcom}/qcom_scm.h | 0 11 files changed, 69 insertions(+), 53 deletions(-) create mode 100644 drivers/firmware/qcom/Kconfig create mode 100644 drivers/firmware/qcom/Makefile rename drivers/firmware/{ => qcom}/qcom_qseecom.c (100%) rename drivers/firmware/{ => qcom}/qcom_qseecom_uefisecapp.c (100%) rename drivers/firmware/{ => qcom}/qcom_scm-legacy.c (100%) rename drivers/firmware/{ => qcom}/qcom_scm-smc.c (100%) rename drivers/firmware/{ => qcom}/qcom_scm.c (100%) rename drivers/firmware/{ => qcom}/qcom_scm.h (100%) diff --git a/MAINTAINERS b/MAINTAINERS index 0ad7caea2ee2..eac76b8de7e5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17930,13 +17930,13 @@ QUALCOMM QSEECOM DRIVER M: Maximilian Luz L: linux-arm-msm@vger.kernel.org S: Maintained -F: drivers/firmware/qcom_qseecom.c +F: drivers/firmware/qcom/qcom_qseecom.c QUALCOMM QSEECOM UEFISECAPP DRIVER M: Maximilian Luz L: linux-arm-msm@vger.kernel.org S: Maintained -F: drivers/firmware/qcom_qseecom_uefisecapp.c +F: drivers/firmware/qcom/qcom_qseecom_uefisecapp.c QUALCOMM RMNET DRIVER M: Subash Abhinov Kasiviswanathan diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index 817e011a8945..74d00b0c83fe 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -188,53 +188,6 @@ config MTK_ADSP_IPC ADSP exists on some mtk processors. Client might use shared memory to exchange information with ADSP. -config QCOM_SCM - tristate - -config QCOM_SCM_DOWNLOAD_MODE_DEFAULT - bool "Qualcomm download mode enabled by default" - depends on QCOM_SCM - help - A device with "download mode" enabled will upon an unexpected - warm-restart enter a special debug mode that allows the user to - "download" memory content over USB for offline postmortem analysis. - The feature can be enabled/disabled on the kernel command line. - - Say Y here to enable "download mode" by default. - -config QCOM_QSEECOM - bool "Qualcomm QSEECOM interface driver" - depends on QCOM_SCM=y - select AUXILIARY_BUS - help - Various Qualcomm SoCs have a Secure Execution Environment (SEE) running - in the Trust Zone. This module provides an interface to that via the - QSEECOM mechanism, using SCM calls. - - The QSEECOM interface allows, among other things, access to applications - running in the SEE. An example of such an application is 'uefisecapp', - which is required to access UEFI variables on certain systems. If - selected, the interface will also attempt to detect and register client - devices for supported applications. - - Select Y here to enable the QSEECOM interface driver. - -config QCOM_QSEECOM_UEFISECAPP - bool "Qualcomm SEE UEFI Secure App client driver" - depends on QCOM_QSEECOM - depends on EFI - help - Various Qualcomm SoCs do not allow direct access to EFI variables. - Instead, these need to be accessed via the UEFI Secure Application - (uefisecapp), residing in the Secure Execution Environment (SEE). - - This module provides a client driver for uefisecapp, installing efivar - operations to allow the kernel accessing EFI variables, and via that also - provide user-space with access to EFI variables via efivarfs. - - Select Y here to provide access to EFI variables on the aforementioned - platforms. - config SYSFB bool select BOOT_VESA_SUPPORT @@ -320,6 +273,7 @@ source "drivers/firmware/efi/Kconfig" source "drivers/firmware/imx/Kconfig" source "drivers/firmware/meson/Kconfig" source "drivers/firmware/psci/Kconfig" +source "drivers/firmware/qcom/Kconfig" source "drivers/firmware/smccc/Kconfig" source "drivers/firmware/tegra/Kconfig" source "drivers/firmware/xilinx/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index cb18fd8882dc..5f9dab82e1a0 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -17,10 +17,6 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o obj-$(CONFIG_MTK_ADSP_IPC) += mtk-adsp-ipc.o obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o obj-$(CONFIG_FW_CFG_SYSFS) += qemu_fw_cfg.o -obj-$(CONFIG_QCOM_SCM) += qcom-scm.o -qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o -obj-$(CONFIG_QCOM_QSEECOM) += qcom_qseecom.o -obj-$(CONFIG_QCOM_QSEECOM_UEFISECAPP) += qcom_qseecom_uefisecapp.o obj-$(CONFIG_SYSFB) += sysfb.o obj-$(CONFIG_SYSFB_SIMPLEFB) += sysfb_simplefb.o obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o @@ -36,6 +32,7 @@ obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ obj-y += efi/ obj-y += imx/ obj-y += psci/ +obj-y += qcom/ obj-y += smccc/ obj-y += tegra/ obj-y += xilinx/ diff --git a/drivers/firmware/qcom/Kconfig b/drivers/firmware/qcom/Kconfig new file mode 100644 index 000000000000..3f05d9854ddf --- /dev/null +++ b/drivers/firmware/qcom/Kconfig @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/kconfig-language.rst. +# + +menu "Qualcomm firmware drivers" + +config QCOM_SCM + tristate + +config QCOM_SCM_DOWNLOAD_MODE_DEFAULT + bool "Qualcomm download mode enabled by default" + depends on QCOM_SCM + help + A device with "download mode" enabled will upon an unexpected + warm-restart enter a special debug mode that allows the user to + "download" memory content over USB for offline postmortem analysis. + The feature can be enabled/disabled on the kernel command line. + + Say Y here to enable "download mode" by default. + +config QCOM_QSEECOM + bool "Qualcomm QSEECOM interface driver" + depends on QCOM_SCM=y + select AUXILIARY_BUS + help + Various Qualcomm SoCs have a Secure Execution Environment (SEE) running + in the Trust Zone. This module provides an interface to that via the + QSEECOM mechanism, using SCM calls. + + The QSEECOM interface allows, among other things, access to applications + running in the SEE. An example of such an application is 'uefisecapp', + which is required to access UEFI variables on certain systems. If + selected, the interface will also attempt to detect and register client + devices for supported applications. + + Select Y here to enable the QSEECOM interface driver. + +config QCOM_QSEECOM_UEFISECAPP + bool "Qualcomm SEE UEFI Secure App client driver" + depends on QCOM_QSEECOM + depends on EFI + help + Various Qualcomm SoCs do not allow direct access to EFI variables. + Instead, these need to be accessed via the UEFI Secure Application + (uefisecapp), residing in the Secure Execution Environment (SEE). + + This module provides a client driver for uefisecapp, installing efivar + operations to allow the kernel accessing EFI variables, and via that also + provide user-space with access to EFI variables via efivarfs. + + Select Y here to provide access to EFI variables on the aforementioned + platforms. + +endmenu diff --git a/drivers/firmware/qcom/Makefile b/drivers/firmware/qcom/Makefile new file mode 100644 index 000000000000..c9f12ee8224a --- /dev/null +++ b/drivers/firmware/qcom/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_QCOM_SCM) += qcom-scm.o +qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o +obj-$(CONFIG_QCOM_QSEECOM) += qcom_qseecom.o +obj-$(CONFIG_QCOM_QSEECOM_UEFISECAPP) += qcom_qseecom_uefisecapp.o diff --git a/drivers/firmware/qcom_qseecom.c b/drivers/firmware/qcom/qcom_qseecom.c similarity index 100% rename from drivers/firmware/qcom_qseecom.c rename to drivers/firmware/qcom/qcom_qseecom.c diff --git a/drivers/firmware/qcom_qseecom_uefisecapp.c b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c similarity index 100% rename from drivers/firmware/qcom_qseecom_uefisecapp.c rename to drivers/firmware/qcom/qcom_qseecom_uefisecapp.c diff --git a/drivers/firmware/qcom_scm-legacy.c b/drivers/firmware/qcom/qcom_scm-legacy.c similarity index 100% rename from drivers/firmware/qcom_scm-legacy.c rename to drivers/firmware/qcom/qcom_scm-legacy.c diff --git a/drivers/firmware/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c similarity index 100% rename from drivers/firmware/qcom_scm-smc.c rename to drivers/firmware/qcom/qcom_scm-smc.c diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c similarity index 100% rename from drivers/firmware/qcom_scm.c rename to drivers/firmware/qcom/qcom_scm.c diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h similarity index 100% rename from drivers/firmware/qcom_scm.h rename to drivers/firmware/qcom/qcom_scm.h