From patchwork Tue Aug 27 04:57:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Ming4" X-Patchwork-Id: 13778873 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 905BA71B3A for ; Tue, 27 Aug 2024 05:28:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724736498; cv=none; b=QAYUqb7bgaSy0coF446r6mbp1xIzZRgKnks48CCZ2zc2QyBZqUb5DJeuTE02Za7t0/FIDeTeWcu/D8MVbnOcoHr8AmkXGEjw7DS2sP4kXLnrrUif04AnYVxLmcDTrFEiFceSGiBxgE4lyCKzKD1mKzfS5hsAvwK8prxSS8RkAZo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724736498; c=relaxed/simple; bh=MSH8aOu/mlbHSVWmpwdXXynqXgSs116XX4lCUeuuBS8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=gCUgtrXYmTHP/kg184jEFf6+/Ua3HyDKUvFV2NcrLBnQCuX2lPi4krtB/xq0xQTn2ntHOWKHrmdox7mIGqTogEEVNlHSJLA7CsZRBZZdl0QHFzHzIxjD6qoPV3gS1a03GohmWFG7bjJQKsAyrsa6V8kn1aOltL8o6aNJS5Ptrlk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dUV1crld; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dUV1crld" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724736496; x=1756272496; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=MSH8aOu/mlbHSVWmpwdXXynqXgSs116XX4lCUeuuBS8=; b=dUV1crldJl0uRMMMOFiMqPuK4duDd6ZtdfwejW4NwH8BXFH8rm7xh72N 8pOZntQuXKZajO582qFroQzdOb2z+35ILzIgmKVBsSOJJCtu+R7NmCsFe dwl5QxnuND8NJV/OYTHwZSHkFdEiTtYNdgupABpMU1CrmukxS9Q0zOI2J JXpDOzSlhfI3wEOArk5o2rV+csrFlGAgdX3z/MQsv1BCQaXx9S/3hULDl ycegsCZrlcJq4mlzl8syyGLdjauxnxXJmez85WQeNDr4SF9lpJD9LMmjR LE2z3k7v0HrQ7Wxzb0AGhYw3Xi7jPUWE3S83UECbD+mWgwiJ7ZMfamY1e w==; X-CSE-ConnectionGUID: zghCZhmMR5yjQQQLNvXAgQ== X-CSE-MsgGUID: typrINvfTd6oTQ2+HyRCkA== X-IronPort-AV: E=McAfee;i="6700,10204,11176"; a="22715152" X-IronPort-AV: E=Sophos;i="6.10,179,1719903600"; d="scan'208";a="22715152" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2024 22:28:16 -0700 X-CSE-ConnectionGUID: JIRFwd7HROW6fj7h/Ldl7A== X-CSE-MsgGUID: Jfpi6louRnOarc4DAXeOJQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,179,1719903600"; d="scan'208";a="62577895" Received: from s2600wttr.bj.intel.com ([10.240.192.138]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2024 22:28:13 -0700 From: Li Ming To: dave@stgolabs.net, jonathan.cameron@huawei.com, dave.jiang@intel.com, alison.schofield@intel.com, vishal.l.verma@intel.com, ira.weiny@intel.com, dan.j.williams@intel.com Cc: linux-cxl@vger.kernel.org, Li Ming Subject: [PATCH 1/3] cxl/pci: Rename cxl_setup_parent_dport() and cxl_dport_map_regs() Date: Tue, 27 Aug 2024 04:57:53 +0000 Message-Id: <20240827045755.1837473-1-ming4.li@intel.com> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The name of cxl_setup_parent_dport() function is not clear, the function is used to initialize AER and RAS capabilities on a dport, therefore, rename the function to cxl_dport_init_aer(), it is easier for user to understand what the function does. Besides, adjust the order of the function parameters, the subject of cxl_dport_init_aer() is a cxl port, so a struct cxl_dport as the first parameter of the function should be better. cxl_dport_map_regs() is used to map CXL RAS capability on a cxl dport, using cxl_dport_map_ras() as the function name. Signed-off-by: Li Ming --- drivers/cxl/core/pci.c | 13 +++++++++---- drivers/cxl/cxl.h | 6 +++--- drivers/cxl/mem.c | 2 +- tools/testing/cxl/Kbuild | 2 +- tools/testing/cxl/test/mock.c | 6 +++--- 5 files changed, 17 insertions(+), 12 deletions(-) diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index 51132a575b27..9761178372b6 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -787,7 +787,7 @@ static void cxl_dport_map_rch_aer(struct cxl_dport *dport) dport->regs.dport_aer = dport_aer; } -static void cxl_dport_map_regs(struct cxl_dport *dport) +static void cxl_dport_map_ras(struct cxl_dport *dport) { struct cxl_register_map *map = &dport->reg_map; struct device *dev = dport->dport_dev; @@ -831,7 +831,12 @@ static void cxl_disable_rch_root_ints(struct cxl_dport *dport) } } -void cxl_setup_parent_dport(struct device *host, struct cxl_dport *dport) +/** + * cxl_dport_init_aer - Setup AER on this dport + * @dport: the cxl_dport that needs to be initialized + * @host: host device for devm operations + */ +void cxl_dport_init_aer(struct cxl_dport *dport, struct device *host) { struct device *dport_dev = dport->dport_dev; @@ -843,12 +848,12 @@ void cxl_setup_parent_dport(struct device *host, struct cxl_dport *dport) } dport->reg_map.host = host; - cxl_dport_map_regs(dport); + cxl_dport_map_ras(dport); if (dport->rch) cxl_disable_rch_root_ints(dport); } -EXPORT_SYMBOL_NS_GPL(cxl_setup_parent_dport, CXL); +EXPORT_SYMBOL_NS_GPL(cxl_dport_init_aer, CXL); static void cxl_handle_rdport_cor_ras(struct cxl_dev_state *cxlds, struct cxl_dport *dport) diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 9afb407d438f..c4b7a0d6bb22 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -761,10 +761,10 @@ struct cxl_dport *devm_cxl_add_rch_dport(struct cxl_port *port, resource_size_t rcrb); #ifdef CONFIG_PCIEAER_CXL -void cxl_setup_parent_dport(struct device *host, struct cxl_dport *dport); +void cxl_dport_init_aer(struct cxl_dport *dport, struct device *host); #else -static inline void cxl_setup_parent_dport(struct device *host, - struct cxl_dport *dport) { } +static inline void cxl_dport_init_aer(struct cxl_dport *dport, + struct device *host) { } #endif struct cxl_decoder *to_cxl_decoder(struct device *dev); diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c index 7de232eaeb17..e464ec3681bb 100644 --- a/drivers/cxl/mem.c +++ b/drivers/cxl/mem.c @@ -166,7 +166,7 @@ static int cxl_mem_probe(struct device *dev) else endpoint_parent = &parent_port->dev; - cxl_setup_parent_dport(dev, dport); + cxl_dport_init_aer(dport, dev); device_lock(endpoint_parent); if (!endpoint_parent->driver) { diff --git a/tools/testing/cxl/Kbuild b/tools/testing/cxl/Kbuild index 3d1ca9e38b1f..f9eb12eb3f1b 100644 --- a/tools/testing/cxl/Kbuild +++ b/tools/testing/cxl/Kbuild @@ -14,7 +14,7 @@ ldflags-y += --wrap=cxl_dvsec_rr_decode ldflags-y += --wrap=devm_cxl_add_rch_dport ldflags-y += --wrap=cxl_rcd_component_reg_phys ldflags-y += --wrap=cxl_endpoint_parse_cdat -ldflags-y += --wrap=cxl_setup_parent_dport +ldflags-y += --wrap=cxl_dport_init_aer DRIVERS := ../../../drivers CXL_SRC := $(DRIVERS)/cxl diff --git a/tools/testing/cxl/test/mock.c b/tools/testing/cxl/test/mock.c index d619672faa49..6cf89e16fa44 100644 --- a/tools/testing/cxl/test/mock.c +++ b/tools/testing/cxl/test/mock.c @@ -299,17 +299,17 @@ void __wrap_cxl_endpoint_parse_cdat(struct cxl_port *port) } EXPORT_SYMBOL_NS_GPL(__wrap_cxl_endpoint_parse_cdat, CXL); -void __wrap_cxl_setup_parent_dport(struct device *host, struct cxl_dport *dport) +void __wrap_cxl_dport_init_aer(struct cxl_dport *dport, struct device *host) { int index; struct cxl_mock_ops *ops = get_cxl_mock_ops(&index); if (!ops || !ops->is_mock_port(dport->dport_dev)) - cxl_setup_parent_dport(host, dport); + cxl_dport_init_aer(dport, host); put_cxl_mock_ops(index); } -EXPORT_SYMBOL_NS_GPL(__wrap_cxl_setup_parent_dport, CXL); +EXPORT_SYMBOL_NS_GPL(__wrap_cxl_dport_init_aer, CXL); MODULE_LICENSE("GPL v2"); MODULE_IMPORT_NS(ACPI);