From patchwork Sat Oct 3 13:32:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 7321101 Return-Path: X-Original-To: patchwork-ocfs2-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4E5359F731 for ; Sat, 3 Oct 2015 13:38:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E56322084C for ; Sat, 3 Oct 2015 13:38:26 +0000 (UTC) Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6027620850 for ; Sat, 3 Oct 2015 13:38:25 +0000 (UTC) Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t93DcGXD021313 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); 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Sat, 3 Oct 2015 13:37:44 GMT Received: from pps.filterd (userp2040.oracle.com [127.0.0.1]) by userp2040.oracle.com (8.15.0.59/8.15.0.59) with SMTP id t93DYT8H045223 for ; Sat, 3 Oct 2015 13:37:44 GMT Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by userp2040.oracle.com with ESMTP id 1xa5my35q7-1 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sat, 03 Oct 2015 13:37:44 +0000 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZiN0J-0003W0-7P; Sat, 03 Oct 2015 13:37:36 +0000 From: Christoph Hellwig To: Joel Becker , Andrew Morton , Nicholas Bellinger Date: Sat, 3 Oct 2015 15:32:54 +0200 Message-Id: <1443879179-22280-19-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1443879179-22280-1-git-send-email-hch@lst.de> References: <1443879179-22280-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html X-ServerName: bombadil.infradead.org X-Proofpoint-Virus-Version: vendor=nai engine=5700 definitions=7942 signatures=670638 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1507310000 definitions=main-1510030224 Cc: linux-usb@vger.kernel.org, netdev@vger.kernel.org, Pratyush Anand , Pantelis Antoniou , Felipe Balbi , cluster-devel@redhat.com, Tejun Heo , target-devel@vger.kernel.org, Andrzej Pietrasiewicz , ocfs2-devel@oss.oracle.com Subject: [Ocfs2-devel] [PATCH 18/23] spear13xx_pcie_gadget: use per-attribute show and store methods X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Christoph Hellwig --- drivers/misc/spear13xx_pcie_gadget.c | 216 ++++++++++++----------------------- 1 file changed, 71 insertions(+), 145 deletions(-) diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c index b8374cd..ee120dc 100644 --- a/drivers/misc/spear13xx_pcie_gadget.c +++ b/drivers/misc/spear13xx_pcie_gadget.c @@ -220,11 +220,17 @@ static irqreturn_t spear_pcie_gadget_irq(int irq, void *dev_id) /* * configfs interfaces show/store functions */ -static ssize_t pcie_gadget_show_link( - struct spear_pcie_gadget_config *config, - char *buf) + +static struct pcie_gadget_target *to_target(struct config_item *item) { - struct pcie_app_reg __iomem *app_reg = config->va_app_base; + return item ? + container_of(to_configfs_subsystem(to_config_group(item)), + struct pcie_gadget_target, subsys) : NULL; +} + +static ssize_t pcie_gadget_link_show(struct config_item *item, char *buf) +{ + struct pcie_app_reg __iomem *app_reg = to_target(item)->va_app_base; if (readl(&app_reg->app_status_1) & ((u32)1 << XMLH_LINK_UP_ID)) return sprintf(buf, "UP"); @@ -232,11 +238,10 @@ static ssize_t pcie_gadget_show_link( return sprintf(buf, "DOWN"); } -static ssize_t pcie_gadget_store_link( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_link_store(struct config_item *item, const char *buf, size_t count) { - struct pcie_app_reg __iomem *app_reg = config->va_app_base; + struct pcie_app_reg __iomem *app_reg = to_target(item)->va_app_base; if (sysfs_streq(buf, "UP")) writel(readl(&app_reg->app_ctrl_0) | (1 << APP_LTSSM_ENABLE_ID), @@ -250,17 +255,15 @@ static ssize_t pcie_gadget_store_link( return count; } -static ssize_t pcie_gadget_show_int_type( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_int_type_show(struct config_item *item, char *buf) { - return sprintf(buf, "%s", config->int_type); + return sprintf(buf, "%s", to_target(item)->int_type); } -static ssize_t pcie_gadget_store_int_type( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_int_type_store(struct config_item *item, const char *buf, size_t count) { + struct spear_pcie_gadget_config *config = to_target(item) u32 cap, vec, flags; ulong vector; @@ -288,11 +291,10 @@ static ssize_t pcie_gadget_store_int_type( return count; } -static ssize_t pcie_gadget_show_no_of_msi( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_no_of_msi_show(struct config_item *item, char *buf) { - struct pcie_app_reg __iomem *app_reg = config->va_app_base; + struct spear_pcie_gadget_config *config = to_target(item) + struct pcie_app_reg __iomem *app_reg = to_target(item)->va_app_base; u32 cap, vec, flags; ulong vector; @@ -313,13 +315,12 @@ static ssize_t pcie_gadget_show_no_of_msi( return sprintf(buf, "%lu", vector); } -static ssize_t pcie_gadget_store_no_of_msi( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_no_of_msi_store(struct config_item *item, const char *buf, size_t count) { int ret; - ret = kstrtoul(buf, 0, &config->requested_msi); + ret = kstrtoul(buf, 0, &to_target(item)->requested_msi); if (ret) return ret; @@ -329,11 +330,10 @@ static ssize_t pcie_gadget_store_no_of_msi( return count; } -static ssize_t pcie_gadget_store_inta( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_inta_store(struct config_item *item, const char *buf, size_t count) { - struct pcie_app_reg __iomem *app_reg = config->va_app_base; + struct pcie_app_reg __iomem *app_reg = to_target(item)->va_app_base; ulong en; int ret; @@ -351,10 +351,10 @@ static ssize_t pcie_gadget_store_inta( return count; } -static ssize_t pcie_gadget_store_send_msi( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_send_msi_store(struct config_item *item, const char *buf, size_t count) { + struct spear_pcie_gadget_config *config = to_target(item) struct pcie_app_reg __iomem *app_reg = config->va_app_base; ulong vector; u32 ven_msi; @@ -388,19 +388,16 @@ static ssize_t pcie_gadget_store_send_msi( return count; } -static ssize_t pcie_gadget_show_vendor_id( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_vendor_id_show(struct config_item *item, char *buf) { u32 id; - spear_dbi_read_reg(config, PCI_VENDOR_ID, 2, &id); + spear_dbi_read_reg(to_target(item), PCI_VENDOR_ID, 2, &id); return sprintf(buf, "%x", id); } -static ssize_t pcie_gadget_store_vendor_id( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_vendor_id_store(struct config_item *item, const char *buf, size_t count) { ulong id; @@ -410,24 +407,21 @@ static ssize_t pcie_gadget_store_vendor_id( if (ret) return ret; - spear_dbi_write_reg(config, PCI_VENDOR_ID, 2, id); + spear_dbi_write_reg(to_target(item), PCI_VENDOR_ID, 2, id); return count; } -static ssize_t pcie_gadget_show_device_id( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_device_id_show(struct config_item *item, char *buf) { u32 id; - spear_dbi_read_reg(config, PCI_DEVICE_ID, 2, &id); + spear_dbi_read_reg(to_target(item), PCI_DEVICE_ID, 2, &id); return sprintf(buf, "%x", id); } -static ssize_t pcie_gadget_store_device_id( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_device_id_store(struct config_item *item, const char *buf, size_t count) { ulong id; @@ -437,22 +431,20 @@ static ssize_t pcie_gadget_store_device_id( if (ret) return ret; - spear_dbi_write_reg(config, PCI_DEVICE_ID, 2, id); + spear_dbi_write_reg(to_target(item), PCI_DEVICE_ID, 2, id); return count; } -static ssize_t pcie_gadget_show_bar0_size( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_bar0_size_show(struct config_item *item, char *buf) { - return sprintf(buf, "%lx", config->bar0_size); + return sprintf(buf, "%lx", to_target(item)->bar0_size); } -static ssize_t pcie_gadget_store_bar0_size( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_size_store(struct config_item *item, const char *buf, size_t count) { + struct spear_pcie_gadget_config *config = to_target(item) ulong size; u32 pos, pos1; u32 no_of_bit = 0; @@ -489,21 +481,20 @@ static ssize_t pcie_gadget_store_bar0_size( return count; } -static ssize_t pcie_gadget_show_bar0_address( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_address_show(struct config_item *item, char *buf) { - struct pcie_app_reg __iomem *app_reg = config->va_app_base; + struct pcie_app_reg __iomem *app_reg = to_target(item)->va_app_base; u32 address = readl(&app_reg->pim0_mem_addr_start); return sprintf(buf, "%x", address); } -static ssize_t pcie_gadget_store_bar0_address( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_address_store(struct config_item *item, const char *buf, size_t count) { + struct spear_pcie_gadget_config *config = to_target(item) struct pcie_app_reg __iomem *app_reg = config->va_app_base; ulong address; int ret; @@ -524,15 +515,13 @@ static ssize_t pcie_gadget_store_bar0_address( return count; } -static ssize_t pcie_gadget_show_bar0_rw_offset( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_rw_offset_show(struct config_item *item, char *buf) { - return sprintf(buf, "%lx", config->bar0_rw_offset); + return sprintf(buf, "%lx", to_target(item)->bar0_rw_offset); } -static ssize_t pcie_gadget_store_bar0_rw_offset( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_rw_offset_store(struct config_item *item, const char *buf, size_t count) { ulong offset; @@ -545,15 +534,14 @@ static ssize_t pcie_gadget_store_bar0_rw_offset( if (offset % 4) return -EINVAL; - config->bar0_rw_offset = offset; + to_target(item)->bar0_rw_offset = offset; return count; } -static ssize_t pcie_gadget_show_bar0_data( - struct spear_pcie_gadget_config *config, - char *buf) +static ssize_t pcie_gadget_bar0_data_show(struct config_item *item, char *buf) { + struct spear_pcie_gadget_config *config = to_target(item) ulong data; if (!config->va_bar0_address) @@ -564,10 +552,10 @@ static ssize_t pcie_gadget_show_bar0_data( return sprintf(buf, "%lx", data); } -static ssize_t pcie_gadget_store_bar0_data( - struct spear_pcie_gadget_config *config, +static ssize_t pcie_gadget_bar0_data_store(struct config_item *item, const char *buf, size_t count) { + struct spear_pcie_gadget_config *config = to_target(item) ulong data; int ret; @@ -583,97 +571,35 @@ static ssize_t pcie_gadget_store_bar0_data( return count; } -/* - * Attribute definitions. - */ - -#define PCIE_GADGET_TARGET_ATTR_RO(_name) \ -static struct pcie_gadget_target_attr pcie_gadget_target_##_name = \ - __CONFIGFS_ATTR(_name, S_IRUGO, pcie_gadget_show_##_name, NULL) - -#define PCIE_GADGET_TARGET_ATTR_WO(_name) \ -static struct pcie_gadget_target_attr pcie_gadget_target_##_name = \ - __CONFIGFS_ATTR(_name, S_IWUSR, NULL, pcie_gadget_store_##_name) - -#define PCIE_GADGET_TARGET_ATTR_RW(_name) \ -static struct pcie_gadget_target_attr pcie_gadget_target_##_name = \ - __CONFIGFS_ATTR(_name, S_IRUGO | S_IWUSR, pcie_gadget_show_##_name, \ - pcie_gadget_store_##_name) -PCIE_GADGET_TARGET_ATTR_RW(link); -PCIE_GADGET_TARGET_ATTR_RW(int_type); -PCIE_GADGET_TARGET_ATTR_RW(no_of_msi); -PCIE_GADGET_TARGET_ATTR_WO(inta); -PCIE_GADGET_TARGET_ATTR_WO(send_msi); -PCIE_GADGET_TARGET_ATTR_RW(vendor_id); -PCIE_GADGET_TARGET_ATTR_RW(device_id); -PCIE_GADGET_TARGET_ATTR_RW(bar0_size); -PCIE_GADGET_TARGET_ATTR_RW(bar0_address); -PCIE_GADGET_TARGET_ATTR_RW(bar0_rw_offset); -PCIE_GADGET_TARGET_ATTR_RW(bar0_data); +CONFIGFS_ATTR(pcie_gadget_, link); +CONFIGFS_ATTR(pcie_gadget_, int_type); +CONFIGFS_ATTR(pcie_gadget_, no_of_msi); +CONFIGFS_ATTR_WO(pcie_gadget_, inta); +CONFIGFS_ATTR_WO(pcie_gadget_, send_msi); +CONFIGFS_ATTR(pcie_gadget_, vendor_id); +CONFIGFS_ATTR(pcie_gadget_, device_id); +CONFIGFS_ATTR(pcie_gadget_, bar0_size); +CONFIGFS_ATTR(pcie_gadget_, bar0_address); +CONFIGFS_ATTR(pcie_gadget_, bar0_rw_offset); +CONFIGFS_ATTR(pcie_gadget_, bar0_data); static struct configfs_attribute *pcie_gadget_target_attrs[] = { - &pcie_gadget_target_link.attr, - &pcie_gadget_target_int_type.attr, - &pcie_gadget_target_no_of_msi.attr, - &pcie_gadget_target_inta.attr, - &pcie_gadget_target_send_msi.attr, - &pcie_gadget_target_vendor_id.attr, - &pcie_gadget_target_device_id.attr, - &pcie_gadget_target_bar0_size.attr, - &pcie_gadget_target_bar0_address.attr, - &pcie_gadget_target_bar0_rw_offset.attr, - &pcie_gadget_target_bar0_data.attr, + &pcie_gadget_attr_link, + &pcie_gadget_attr_int_type, + &pcie_gadget_attr_no_of_msi, + &pcie_gadget_attr_inta, + &pcie_gadget_attr_send_msi, + &pcie_gadget_attr_vendor_id, + &pcie_gadget_attr_device_id, + &pcie_gadget_attr_bar0_size, + &pcie_gadget_attr_bar0_address, + &pcie_gadget_attr_bar0_rw_offset, + &pcie_gadget_attr_bar0_data, NULL, }; -static struct pcie_gadget_target *to_target(struct config_item *item) -{ - return item ? - container_of(to_configfs_subsystem(to_config_group(item)), - struct pcie_gadget_target, subsys) : NULL; -} - -/* - * Item operations and type for pcie_gadget_target. - */ - -static ssize_t pcie_gadget_target_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *buf) -{ - ssize_t ret = -EINVAL; - struct pcie_gadget_target *target = to_target(item); - struct pcie_gadget_target_attr *t_attr = - container_of(attr, struct pcie_gadget_target_attr, attr); - - if (t_attr->show) - ret = t_attr->show(&target->config, buf); - return ret; -} - -static ssize_t pcie_gadget_target_attr_store(struct config_item *item, - struct configfs_attribute *attr, - const char *buf, - size_t count) -{ - ssize_t ret = -EINVAL; - struct pcie_gadget_target *target = to_target(item); - struct pcie_gadget_target_attr *t_attr = - container_of(attr, struct pcie_gadget_target_attr, attr); - - if (t_attr->store) - ret = t_attr->store(&target->config, buf, count); - return ret; -} - -static struct configfs_item_operations pcie_gadget_target_item_ops = { - .show_attribute = pcie_gadget_target_attr_show, - .store_attribute = pcie_gadget_target_attr_store, -}; - static struct config_item_type pcie_gadget_target_type = { .ct_attrs = pcie_gadget_target_attrs, - .ct_item_ops = &pcie_gadget_target_item_ops, .ct_owner = THIS_MODULE, };