From patchwork Tue Aug 29 00:23:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: srinivas pandruvada X-Patchwork-Id: 719702 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 2C950C83F1A for ; Tue, 29 Aug 2023 00:24:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234666AbjH2AX7 (ORCPT ); Mon, 28 Aug 2023 20:23:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234673AbjH2AXw (ORCPT ); Mon, 28 Aug 2023 20:23:52 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2A6D109; Mon, 28 Aug 2023 17:23:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693268628; x=1724804628; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZhHlz5cGwZAVd4NISsCXB1ZJ6sdhqlyJnW1TbQP2/WU=; b=AWXJwssHiXRlvife/cpJ0ykJyFKOc/5iYXHZJwNFNGDuCHI6VXBuXwnZ DvNxAuqE0KLT/8tppjhNEOHqCMSFSIlKqXn4tu0zr+qVN7UaXWRU+y10a Vms8r6sMKaS1pucV4OIYtvAgrNe74KmihFogwLWcN7ToSP3d37r6aowYl FOltg/ptuS5ORRVGbuyu4ufcsTXYfO6VUGeYdMj33UcPIsckWZN01PdqQ bpnTW3N2d/L2B43ZXvLZ54ygst0xNFpIE7uqnHGFg61Dwtv0vQk//Z3Ga 7rBQrFFt1av+8G+G3x1KZKMrdFs6bLQ1IRBSUgYRgC1kseVdU6wjuVikU g==; X-IronPort-AV: E=McAfee;i="6600,9927,10816"; a="354754217" X-IronPort-AV: E=Sophos;i="6.02,208,1688454000"; d="scan'208";a="354754217" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2023 17:23:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10816"; a="731989681" X-IronPort-AV: E=Sophos;i="6.02,208,1688454000"; d="scan'208";a="731989681" Received: from spandruv-desk.jf.intel.com ([10.54.75.14]) by orsmga007.jf.intel.com with ESMTP; 28 Aug 2023 17:23:47 -0700 From: Srinivas Pandruvada To: daniel.lezcano@linaro.org, rafael@kernel.org, rui.zhang@intel.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH v3 1/7] thermal: int340x: processor_thermal: Move mailbox code to common module Date: Mon, 28 Aug 2023 17:23:40 -0700 Message-Id: <20230829002346.2104251-2-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230829002346.2104251-1-srinivas.pandruvada@linux.intel.com> References: <20230829002346.2104251-1-srinivas.pandruvada@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The processor thermal mailbox is used for workload type request and also in the processor thermal RFIM module. So, move the workload type request code to its own module from the current processor thermal mailbox module. processor_thermal_mailbox.c contains only mailbox read/write related source code. The source related to workload_types requests is moved to a module processor_thermal_wt_req.c. In addition -Rename PROC_THERMAL_FEATURE_MBOX to PROC_THERMAL_FEATURE_WT_REQ. - proc_thermal_mbox_add(), which adds workload type sysfs attribute group is renamed to proc_thermal_wt_req_add(). -proc_thermal_mbox_remove() is renamed to proc_thermal_wt_req_remove(). While here, resolve check patch warnings for 100 columns for only modified lines. No functional changes are expected. Signed-off-by: Srinivas Pandruvada Reviewed-by: Zhang Rui --- v3: Use WT|wt for workload files, api and defines for WLT|wlt v2: Removed extra blank line at the end of proc_thermal_wlt_req_remove() .../thermal/intel/int340x_thermal/Makefile | 1 + .../processor_thermal_device.c | 8 +- .../processor_thermal_device.h | 12 +- .../processor_thermal_device_pci.c | 10 +- .../processor_thermal_device_pci_legacy.c | 3 +- .../int340x_thermal/processor_thermal_mbox.c | 130 ----------------- .../processor_thermal_wt_req.c | 136 ++++++++++++++++++ 7 files changed, 159 insertions(+), 141 deletions(-) create mode 100644 drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c diff --git a/drivers/thermal/intel/int340x_thermal/Makefile b/drivers/thermal/intel/int340x_thermal/Makefile index 4e852ce4a5d5..7e40aebb0556 100644 --- a/drivers/thermal/intel/int340x_thermal/Makefile +++ b/drivers/thermal/intel/int340x_thermal/Makefile @@ -10,5 +10,6 @@ obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_device_pci.o obj-$(CONFIG_PROC_THERMAL_MMIO_RAPL) += processor_thermal_rapl.o obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_rfim.o obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_mbox.o +obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_wt_req.o obj-$(CONFIG_INT3406_THERMAL) += int3406_thermal.o obj-$(CONFIG_ACPI_THERMAL_REL) += acpi_thermal_rel.o diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 3ca0a2f5937f..3f0eac6cb4da 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -346,8 +346,8 @@ int proc_thermal_mmio_add(struct pci_dev *pdev, } } - if (feature_mask & PROC_THERMAL_FEATURE_MBOX) { - ret = proc_thermal_mbox_add(pdev, proc_priv); + if (feature_mask & PROC_THERMAL_FEATURE_WT_REQ) { + ret = proc_thermal_wt_req_add(pdev, proc_priv); if (ret) { dev_err(&pdev->dev, "failed to add MBOX interface\n"); goto err_rem_rfim; @@ -374,8 +374,8 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device * proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS) proc_thermal_rfim_remove(pdev); - if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_MBOX) - proc_thermal_mbox_remove(pdev); + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_REQ) + proc_thermal_wt_req_remove(pdev); } EXPORT_SYMBOL_GPL(proc_thermal_mmio_remove); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h index 7acaa8f1b896..bae6e3e4e22e 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h @@ -59,7 +59,7 @@ struct rapl_mmio_regs { #define PROC_THERMAL_FEATURE_RAPL 0x01 #define PROC_THERMAL_FEATURE_FIVR 0x02 #define PROC_THERMAL_FEATURE_DVFS 0x04 -#define PROC_THERMAL_FEATURE_MBOX 0x08 +#define PROC_THERMAL_FEATURE_WT_REQ 0x08 #define PROC_THERMAL_FEATURE_DLVR 0x10 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL) @@ -80,8 +80,14 @@ static void __maybe_unused proc_thermal_rapl_remove(void) int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv); void proc_thermal_rfim_remove(struct pci_dev *pdev); -int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv); -void proc_thermal_mbox_remove(struct pci_dev *pdev); +int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv); +void proc_thermal_wt_req_remove(struct pci_dev *pdev); + +#define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E +#define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F + +#define MBOX_DATA_BIT_AC_DC 30 +#define MBOX_DATA_BIT_VALID 31 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp); int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 0d1e98007270..314a726f35c7 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -350,9 +350,13 @@ static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend, proc_thermal_pci_resume); static const struct pci_device_id proc_thermal_pci_ids[] = { - { PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) }, - { PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX | PROC_THERMAL_FEATURE_DLVR) }, - { PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) }, + { PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL | + PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) }, + { PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL | + PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ | + PROC_THERMAL_FEATURE_DLVR) }, + { PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL | + PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) }, { }, }; diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c index 16fd9df5f36d..ccfdd2f9d973 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c @@ -137,7 +137,8 @@ static const struct pci_device_id proc_thermal_pci_ids[] = { { PCI_DEVICE_DATA(INTEL, ICL_THERMAL, PROC_THERMAL_FEATURE_RAPL) }, { PCI_DEVICE_DATA(INTEL, JSL_THERMAL, 0) }, { PCI_DEVICE_DATA(INTEL, SKL_THERMAL, PROC_THERMAL_FEATURE_RAPL) }, - { PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_MBOX) }, + { PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL | + PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_WT_REQ) }, { }, }; diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c index 0b89a4340ff4..ec766c5615b7 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c @@ -10,18 +10,12 @@ #include #include "processor_thermal_device.h" -#define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E -#define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F - #define MBOX_OFFSET_DATA 0x5810 #define MBOX_OFFSET_INTERFACE 0x5818 #define MBOX_BUSY_BIT 31 #define MBOX_RETRY_COUNT 100 -#define MBOX_DATA_BIT_VALID 31 -#define MBOX_DATA_BIT_AC_DC 30 - static DEFINE_MUTEX(mbox_lock); static int wait_for_mbox_ready(struct proc_thermal_device *proc_priv) @@ -114,128 +108,4 @@ int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data } EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_write_cmd, INT340X_THERMAL); -/* List of workload types */ -static const char * const workload_types[] = { - "none", - "idle", - "semi_active", - "bursty", - "sustained", - "battery_life", - NULL -}; - -static ssize_t workload_available_types_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int i = 0; - int ret = 0; - - while (workload_types[i] != NULL) - ret += sprintf(&buf[ret], "%s ", workload_types[i++]); - - ret += sprintf(&buf[ret], "\n"); - - return ret; -} - -static DEVICE_ATTR_RO(workload_available_types); - -static ssize_t workload_type_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pci_dev *pdev = to_pci_dev(dev); - char str_preference[15]; - u32 data = 0; - ssize_t ret; - - ret = sscanf(buf, "%14s", str_preference); - if (ret != 1) - return -EINVAL; - - ret = match_string(workload_types, -1, str_preference); - if (ret < 0) - return ret; - - ret &= 0xff; - - if (ret) - data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC); - - data |= ret; - - ret = send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data); - if (ret) - return false; - - return count; -} - -static ssize_t workload_type_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pdev = to_pci_dev(dev); - u64 cmd_resp; - int ret; - - ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp); - if (ret) - return false; - - cmd_resp &= 0xff; - - if (cmd_resp > ARRAY_SIZE(workload_types) - 1) - return -EINVAL; - - return sprintf(buf, "%s\n", workload_types[cmd_resp]); -} - -static DEVICE_ATTR_RW(workload_type); - -static struct attribute *workload_req_attrs[] = { - &dev_attr_workload_available_types.attr, - &dev_attr_workload_type.attr, - NULL -}; - -static const struct attribute_group workload_req_attribute_group = { - .attrs = workload_req_attrs, - .name = "workload_request" -}; - -static bool workload_req_created; - -int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv) -{ - u64 cmd_resp; - int ret; - - /* Check if there is a mailbox support, if fails return success */ - ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp); - if (ret) - return 0; - - ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group); - if (ret) - return ret; - - workload_req_created = true; - - return 0; -} -EXPORT_SYMBOL_GPL(proc_thermal_mbox_add); - -void proc_thermal_mbox_remove(struct pci_dev *pdev) -{ - if (workload_req_created) - sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group); - - workload_req_created = false; - -} -EXPORT_SYMBOL_GPL(proc_thermal_mbox_remove); - MODULE_LICENSE("GPL v2"); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c new file mode 100644 index 000000000000..711c4f761c9a --- /dev/null +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * processor thermal device for Workload type hints + * update from user space + * + * Copyright (c) 2020-2023, Intel Corporation. + */ + +#include +#include "processor_thermal_device.h" + +/* List of workload types */ +static const char * const workload_types[] = { + "none", + "idle", + "semi_active", + "bursty", + "sustained", + "battery_life", + NULL +}; + +static ssize_t workload_available_types_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int i = 0; + int ret = 0; + + while (workload_types[i] != NULL) + ret += sprintf(&buf[ret], "%s ", workload_types[i++]); + + ret += sprintf(&buf[ret], "\n"); + + return ret; +} + +static DEVICE_ATTR_RO(workload_available_types); + +static ssize_t workload_type_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pci_dev *pdev = to_pci_dev(dev); + char str_preference[15]; + u32 data = 0; + ssize_t ret; + + ret = sscanf(buf, "%14s", str_preference); + if (ret != 1) + return -EINVAL; + + ret = match_string(workload_types, -1, str_preference); + if (ret < 0) + return ret; + + ret &= 0xff; + + if (ret) + data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC); + + data |= ret; + + ret = processor_thermal_send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data); + if (ret) + return false; + + return count; +} + +static ssize_t workload_type_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pdev = to_pci_dev(dev); + u64 cmd_resp; + int ret; + + ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp); + if (ret) + return false; + + cmd_resp &= 0xff; + + if (cmd_resp > ARRAY_SIZE(workload_types) - 1) + return -EINVAL; + + return sprintf(buf, "%s\n", workload_types[cmd_resp]); +} + +static DEVICE_ATTR_RW(workload_type); + +static struct attribute *workload_req_attrs[] = { + &dev_attr_workload_available_types.attr, + &dev_attr_workload_type.attr, + NULL +}; + +static const struct attribute_group workload_req_attribute_group = { + .attrs = workload_req_attrs, + .name = "workload_request" +}; + +static bool workload_req_created; + +int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv) +{ + u64 cmd_resp; + int ret; + + /* Check if there is a mailbox support, if fails return success */ + ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp); + if (ret) + return 0; + + ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group); + if (ret) + return ret; + + workload_req_created = true; + + return 0; +} +EXPORT_SYMBOL_GPL(proc_thermal_wt_req_add); + +void proc_thermal_wt_req_remove(struct pci_dev *pdev) +{ + if (workload_req_created) + sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group); + + workload_req_created = false; +} +EXPORT_SYMBOL_GPL(proc_thermal_wt_req_remove); + +MODULE_IMPORT_NS(INT340X_THERMAL); +MODULE_LICENSE("GPL");