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@@ -0,0 +1,623 @@
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+/*
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+ * Linux network driver for Brocade Converged Network Adapter.
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License (GPL) Version 2 as
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+ * published by the Free Software Foundation
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+/*
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+ * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
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+ * All rights reserved
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+ * www.brocade.com
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+ */
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+
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+#include <linux/debugfs.h>
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+#include <linux/module.h>
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+#include "bnad.h"
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+
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+/*
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+ * BNA debufs interface
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+ *
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+ * To access the interface, debugfs file system should be mounted
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+ * if not already mounted using:
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+ * mount -t debugfs none /sys/kernel/debug
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+ *
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+ * BNA Hierarchy:
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+ * - bna/pci_dev:<pci_name>
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+ * where the pci_name corresponds to the one under /sys/bus/pci/drivers/bna
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+ *
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+ * Debugging service available per pci_dev:
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+ * fwtrc: To collect current firmware trace.
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+ * fwsave: To collect last saved fw trace as a result of firmware crash.
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+ * regwr: To write one word to chip register
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+ * regrd: To read one or more words from chip register.
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+ */
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+
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+struct bnad_debug_info {
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+ char *debug_buffer;
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+ void *i_private;
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+ int buffer_len;
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+};
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+
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+static int
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+bnad_debugfs_open_fwtrc(struct inode *inode, struct file *file)
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+{
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+ struct bnad *bnad = inode->i_private;
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+ struct bnad_debug_info *fw_debug;
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+ unsigned long flags;
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+ int rc;
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+
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+ fw_debug = kzalloc(sizeof(struct bnad_debug_info), GFP_KERNEL);
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+ if (!fw_debug)
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+ return -ENOMEM;
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+
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+ fw_debug->buffer_len = BNA_DBG_FWTRC_LEN;
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+
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+ fw_debug->debug_buffer = kzalloc(fw_debug->buffer_len, GFP_KERNEL);
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+ if (!fw_debug->debug_buffer) {
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+ kfree(fw_debug);
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+ fw_debug = NULL;
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+ pr_warn("bna %s: Failed to allocate fwtrc buffer\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ spin_lock_irqsave(&bnad->bna_lock, flags);
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+ rc = bfa_nw_ioc_debug_fwtrc(&bnad->bna.ioceth.ioc,
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+ fw_debug->debug_buffer,
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+ &fw_debug->buffer_len);
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ if (rc != BFA_STATUS_OK) {
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+ kfree(fw_debug->debug_buffer);
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+ fw_debug->debug_buffer = NULL;
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+ kfree(fw_debug);
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+ fw_debug = NULL;
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+ pr_warn("bnad %s: Failed to collect fwtrc\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ file->private_data = fw_debug;
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+
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+ return 0;
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+}
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+
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+static int
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+bnad_debugfs_open_fwsave(struct inode *inode, struct file *file)
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+{
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+ struct bnad *bnad = inode->i_private;
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+ struct bnad_debug_info *fw_debug;
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+ unsigned long flags;
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+ int rc;
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+
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+ fw_debug = kzalloc(sizeof(struct bnad_debug_info), GFP_KERNEL);
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+ if (!fw_debug)
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+ return -ENOMEM;
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+
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+ fw_debug->buffer_len = BNA_DBG_FWTRC_LEN;
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+
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+ fw_debug->debug_buffer = kzalloc(fw_debug->buffer_len, GFP_KERNEL);
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+ if (!fw_debug->debug_buffer) {
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+ kfree(fw_debug);
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+ fw_debug = NULL;
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+ pr_warn("bna %s: Failed to allocate fwsave buffer\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ spin_lock_irqsave(&bnad->bna_lock, flags);
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+ rc = bfa_nw_ioc_debug_fwsave(&bnad->bna.ioceth.ioc,
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+ fw_debug->debug_buffer,
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+ &fw_debug->buffer_len);
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ if (rc != BFA_STATUS_OK && rc != BFA_STATUS_ENOFSAVE) {
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+ kfree(fw_debug->debug_buffer);
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+ fw_debug->debug_buffer = NULL;
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+ kfree(fw_debug);
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+ fw_debug = NULL;
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+ pr_warn("bna %s: Failed to collect fwsave\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ file->private_data = fw_debug;
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+
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+ return 0;
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+}
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+
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+static int
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+bnad_debugfs_open_reg(struct inode *inode, struct file *file)
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+{
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+ struct bnad_debug_info *reg_debug;
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+
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+ reg_debug = kzalloc(sizeof(struct bnad_debug_info), GFP_KERNEL);
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+ if (!reg_debug)
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+ return -ENOMEM;
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+
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+ reg_debug->i_private = inode->i_private;
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+
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+ file->private_data = reg_debug;
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+
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+ return 0;
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+}
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+
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+static int
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+bnad_get_debug_drvinfo(struct bnad *bnad, void *buffer, u32 len)
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+{
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+ struct bnad_drvinfo *drvinfo = (struct bnad_drvinfo *) buffer;
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+ struct bnad_iocmd_comp fcomp;
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+ unsigned long flags = 0;
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+ int ret = BFA_STATUS_FAILED;
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+
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+ /* Get IOC info */
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+ spin_lock_irqsave(&bnad->bna_lock, flags);
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+ bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, &drvinfo->ioc_attr);
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+
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+ /* Retrieve CEE related info */
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+ fcomp.bnad = bnad;
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+ fcomp.comp_status = 0;
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+ init_completion(&fcomp.comp);
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+ spin_lock_irqsave(&bnad->bna_lock, flags);
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+ ret = bfa_nw_cee_get_attr(&bnad->bna.cee, &drvinfo->cee_attr,
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+ bnad_cb_completion, &fcomp);
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+ if (ret != BFA_STATUS_OK) {
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ goto out;
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+ }
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ wait_for_completion(&fcomp.comp);
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+ drvinfo->cee_status = fcomp.comp_status;
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+
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+ /* Retrieve flash partition info */
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+ fcomp.comp_status = 0;
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+ init_completion(&fcomp.comp);
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+ spin_lock_irqsave(&bnad->bna_lock, flags);
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+ ret = bfa_nw_flash_get_attr(&bnad->bna.flash, &drvinfo->flash_attr,
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+ bnad_cb_completion, &fcomp);
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+ if (ret != BFA_STATUS_OK) {
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ goto out;
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+ }
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+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
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+ wait_for_completion(&fcomp.comp);
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+ drvinfo->flash_status = fcomp.comp_status;
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+out:
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+ return ret;
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+}
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+
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+static int
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+bnad_debugfs_open_drvinfo(struct inode *inode, struct file *file)
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+{
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+ struct bnad *bnad = inode->i_private;
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+ struct bnad_debug_info *drv_info;
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+ int rc;
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+
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+ drv_info = kzalloc(sizeof(struct bnad_debug_info), GFP_KERNEL);
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+ if (!drv_info)
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+ return -ENOMEM;
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+
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+ drv_info->buffer_len = sizeof(struct bnad_drvinfo);
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+
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+ drv_info->debug_buffer = kzalloc(drv_info->buffer_len, GFP_KERNEL);
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+ if (!drv_info->debug_buffer) {
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+ kfree(drv_info);
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+ drv_info = NULL;
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+ pr_warn("bna %s: Failed to allocate drv info buffer\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ mutex_lock(&bnad->conf_mutex);
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+ rc = bnad_get_debug_drvinfo(bnad, drv_info->debug_buffer,
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+ drv_info->buffer_len);
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+ mutex_unlock(&bnad->conf_mutex);
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+ if (rc != BFA_STATUS_OK) {
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+ kfree(drv_info->debug_buffer);
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+ drv_info->debug_buffer = NULL;
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+ kfree(drv_info);
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+ drv_info = NULL;
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+ pr_warn("bna %s: Failed to collect drvinfo\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ file->private_data = drv_info;
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+
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+ return 0;
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+}
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+
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+/* Changes the current file position */
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+static loff_t
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+bnad_debugfs_lseek(struct file *file, loff_t offset, int orig)
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+{
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+ loff_t pos = file->f_pos;
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+ struct bnad_debug_info *debug = file->private_data;
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+
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+ if (!debug)
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+ return -EINVAL;
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+
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+ switch (orig) {
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+ case 0:
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+ file->f_pos = offset;
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+ break;
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+ case 1:
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+ file->f_pos += offset;
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+ break;
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+ case 2:
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+ file->f_pos = debug->buffer_len - offset;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ if (file->f_pos < 0 || file->f_pos > debug->buffer_len) {
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+ file->f_pos = pos;
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+ return -EINVAL;
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+ }
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+
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+ return file->f_pos;
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+}
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+
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+static ssize_t
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+bnad_debugfs_read(struct file *file, char __user *buf,
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+ size_t nbytes, loff_t *pos)
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+{
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+ struct bnad_debug_info *debug = file->private_data;
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+
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+ if (!debug || !debug->debug_buffer)
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+ return 0;
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+
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+ return simple_read_from_buffer(buf, nbytes, pos,
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+ debug->debug_buffer, debug->buffer_len);
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+}
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+
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+#define BFA_REG_CT_ADDRSZ (0x40000)
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+#define BFA_REG_CB_ADDRSZ (0x20000)
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+#define BFA_REG_ADDRSZ(__ioc) \
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+ ((u32)(bfa_asic_id_ctc(bfa_ioc_devid(__ioc)) ? \
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+ BFA_REG_CT_ADDRSZ : BFA_REG_CB_ADDRSZ))
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+#define BFA_REG_ADDRMSK(__ioc) (BFA_REG_ADDRSZ(__ioc) - 1)
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+
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+/*
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+ * Function to check if the register offset passed is valid.
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+ */
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+static int
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+bna_reg_offset_check(struct bfa_ioc *ioc, u32 offset, u32 len)
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+{
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+ u8 area;
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+
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+ /* check [16:15] */
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+ area = (offset >> 15) & 0x7;
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+ if (area == 0) {
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+ /* PCIe core register */
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+ if ((offset + (len<<2)) > 0x8000) /* 8k dwords or 32KB */
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+ return BFA_STATUS_EINVAL;
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+ } else if (area == 0x1) {
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+ /* CB 32 KB memory page */
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+ if ((offset + (len<<2)) > 0x10000) /* 8k dwords or 32KB */
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+ return BFA_STATUS_EINVAL;
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+ } else {
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+ /* CB register space 64KB */
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+ if ((offset + (len<<2)) > BFA_REG_ADDRMSK(ioc))
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+ return BFA_STATUS_EINVAL;
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+ }
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+ return BFA_STATUS_OK;
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+}
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+
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+static ssize_t
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+bnad_debugfs_read_regrd(struct file *file, char __user *buf,
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+ size_t nbytes, loff_t *pos)
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+{
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+ struct bnad_debug_info *regrd_debug = file->private_data;
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+ struct bnad *bnad = (struct bnad *)regrd_debug->i_private;
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+ ssize_t rc;
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+
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+ if (!bnad->regdata)
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+ return 0;
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+
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+ rc = simple_read_from_buffer(buf, nbytes, pos,
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+ bnad->regdata, bnad->reglen);
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+
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+ if ((*pos + nbytes) >= bnad->reglen) {
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+ kfree(bnad->regdata);
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+ bnad->regdata = NULL;
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+ bnad->reglen = 0;
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+ }
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+
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+ return rc;
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+}
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+
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+static ssize_t
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+bnad_debugfs_write_regrd(struct file *file, const char __user *buf,
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+ size_t nbytes, loff_t *ppos)
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+{
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+ struct bnad_debug_info *regrd_debug = file->private_data;
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+ struct bnad *bnad = (struct bnad *)regrd_debug->i_private;
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+ struct bfa_ioc *ioc = &bnad->bna.ioceth.ioc;
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+ int addr, len, rc, i;
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+ u32 *regbuf;
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+ void __iomem *rb, *reg_addr;
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+ unsigned long flags;
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+ void *kern_buf;
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+
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+ /* Allocate memory to store the user space buf */
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+ kern_buf = kzalloc(nbytes, GFP_KERNEL);
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+ if (!kern_buf) {
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+ pr_warn("bna %s: Failed to allocate user buffer\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ if (copy_from_user(kern_buf, (void __user *)buf, nbytes)) {
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+ kfree(kern_buf);
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+ return -ENOMEM;
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+ }
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+
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+ rc = sscanf(kern_buf, "%x:%x", &addr, &len);
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+ if (rc < 2) {
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+ pr_warn("bna %s: Failed to read user buffer\n",
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+ pci_name(bnad->pcidev));
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+ kfree(kern_buf);
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+ return -EINVAL;
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+ }
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+
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+ kfree(kern_buf);
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+ kfree(bnad->regdata);
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+ bnad->regdata = NULL;
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+ bnad->reglen = 0;
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+
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+ bnad->regdata = kzalloc(len << 2, GFP_KERNEL);
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+ if (!bnad->regdata) {
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+ pr_warn("bna %s: Failed to allocate regrd buffer\n",
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+ pci_name(bnad->pcidev));
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+ return -ENOMEM;
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+ }
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+
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+ bnad->reglen = len << 2;
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+ rb = bfa_ioc_bar0(ioc);
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+ addr &= BFA_REG_ADDRMSK(ioc);
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+
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+ /* offset and len sanity check */
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+ rc = bna_reg_offset_check(ioc, addr, len);
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+ if (rc) {
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+ pr_warn("bna %s: Failed reg offset check\n",
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+ pci_name(bnad->pcidev));
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+ kfree(bnad->regdata);
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+ bnad->regdata = NULL;
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+ bnad->reglen = 0;
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+ return -EINVAL;
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+ }
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+
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+ reg_addr = rb + addr;
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+ regbuf = (u32 *)bnad->regdata;
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|
|
+ spin_lock_irqsave(&bnad->bna_lock, flags);
|
|
|
+ for (i = 0; i < len; i++) {
|
|
|
+ *regbuf = readl(reg_addr);
|
|
|
+ regbuf++;
|
|
|
+ reg_addr += sizeof(u32);
|
|
|
+ }
|
|
|
+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
|
|
|
+
|
|
|
+ return nbytes;
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t
|
|
|
+bnad_debugfs_write_regwr(struct file *file, const char __user *buf,
|
|
|
+ size_t nbytes, loff_t *ppos)
|
|
|
+{
|
|
|
+ struct bnad_debug_info *debug = file->private_data;
|
|
|
+ struct bnad *bnad = (struct bnad *)debug->i_private;
|
|
|
+ struct bfa_ioc *ioc = &bnad->bna.ioceth.ioc;
|
|
|
+ int addr, val, rc;
|
|
|
+ void __iomem *reg_addr;
|
|
|
+ unsigned long flags;
|
|
|
+ void *kern_buf;
|
|
|
+
|
|
|
+ /* Allocate memory to store the user space buf */
|
|
|
+ kern_buf = kzalloc(nbytes, GFP_KERNEL);
|
|
|
+ if (!kern_buf) {
|
|
|
+ pr_warn("bna %s: Failed to allocate user buffer\n",
|
|
|
+ pci_name(bnad->pcidev));
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (copy_from_user(kern_buf, (void __user *)buf, nbytes)) {
|
|
|
+ kfree(kern_buf);
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = sscanf(kern_buf, "%x:%x", &addr, &val);
|
|
|
+ if (rc < 2) {
|
|
|
+ pr_warn("bna %s: Failed to read user buffer\n",
|
|
|
+ pci_name(bnad->pcidev));
|
|
|
+ kfree(kern_buf);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ kfree(kern_buf);
|
|
|
+
|
|
|
+ addr &= BFA_REG_ADDRMSK(ioc); /* offset only 17 bit and word align */
|
|
|
+
|
|
|
+ /* offset and len sanity check */
|
|
|
+ rc = bna_reg_offset_check(ioc, addr, 1);
|
|
|
+ if (rc) {
|
|
|
+ pr_warn("bna %s: Failed reg offset check\n",
|
|
|
+ pci_name(bnad->pcidev));
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ reg_addr = (bfa_ioc_bar0(ioc)) + addr;
|
|
|
+ spin_lock_irqsave(&bnad->bna_lock, flags);
|
|
|
+ writel(val, reg_addr);
|
|
|
+ spin_unlock_irqrestore(&bnad->bna_lock, flags);
|
|
|
+
|
|
|
+ return nbytes;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+bnad_debugfs_release(struct inode *inode, struct file *file)
|
|
|
+{
|
|
|
+ struct bnad_debug_info *debug = file->private_data;
|
|
|
+
|
|
|
+ if (!debug)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ file->private_data = NULL;
|
|
|
+ kfree(debug);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+bnad_debugfs_buffer_release(struct inode *inode, struct file *file)
|
|
|
+{
|
|
|
+ struct bnad_debug_info *debug = file->private_data;
|
|
|
+
|
|
|
+ if (!debug)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ kfree(debug->debug_buffer);
|
|
|
+
|
|
|
+ file->private_data = NULL;
|
|
|
+ kfree(debug);
|
|
|
+ debug = NULL;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct file_operations bnad_debugfs_op_fwtrc = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = bnad_debugfs_open_fwtrc,
|
|
|
+ .llseek = bnad_debugfs_lseek,
|
|
|
+ .read = bnad_debugfs_read,
|
|
|
+ .release = bnad_debugfs_buffer_release,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct file_operations bnad_debugfs_op_fwsave = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = bnad_debugfs_open_fwsave,
|
|
|
+ .llseek = bnad_debugfs_lseek,
|
|
|
+ .read = bnad_debugfs_read,
|
|
|
+ .release = bnad_debugfs_buffer_release,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct file_operations bnad_debugfs_op_regrd = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = bnad_debugfs_open_reg,
|
|
|
+ .llseek = bnad_debugfs_lseek,
|
|
|
+ .read = bnad_debugfs_read_regrd,
|
|
|
+ .write = bnad_debugfs_write_regrd,
|
|
|
+ .release = bnad_debugfs_release,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct file_operations bnad_debugfs_op_regwr = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = bnad_debugfs_open_reg,
|
|
|
+ .llseek = bnad_debugfs_lseek,
|
|
|
+ .write = bnad_debugfs_write_regwr,
|
|
|
+ .release = bnad_debugfs_release,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct file_operations bnad_debugfs_op_drvinfo = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = bnad_debugfs_open_drvinfo,
|
|
|
+ .llseek = bnad_debugfs_lseek,
|
|
|
+ .read = bnad_debugfs_read,
|
|
|
+ .release = bnad_debugfs_buffer_release,
|
|
|
+};
|
|
|
+
|
|
|
+struct bnad_debugfs_entry {
|
|
|
+ const char *name;
|
|
|
+ mode_t mode;
|
|
|
+ const struct file_operations *fops;
|
|
|
+};
|
|
|
+
|
|
|
+static const struct bnad_debugfs_entry bnad_debugfs_files[] = {
|
|
|
+ { "fwtrc", S_IFREG|S_IRUGO, &bnad_debugfs_op_fwtrc, },
|
|
|
+ { "fwsave", S_IFREG|S_IRUGO, &bnad_debugfs_op_fwsave, },
|
|
|
+ { "regrd", S_IFREG|S_IRUGO|S_IWUSR, &bnad_debugfs_op_regrd, },
|
|
|
+ { "regwr", S_IFREG|S_IWUSR, &bnad_debugfs_op_regwr, },
|
|
|
+ { "drvinfo", S_IFREG|S_IRUGO, &bnad_debugfs_op_drvinfo, },
|
|
|
+};
|
|
|
+
|
|
|
+static struct dentry *bna_debugfs_root;
|
|
|
+static atomic_t bna_debugfs_port_count;
|
|
|
+
|
|
|
+/* Initialize debugfs interface for BNA */
|
|
|
+void
|
|
|
+bnad_debugfs_init(struct bnad *bnad)
|
|
|
+{
|
|
|
+ const struct bnad_debugfs_entry *file;
|
|
|
+ char name[64];
|
|
|
+ int i;
|
|
|
+
|
|
|
+ /* Setup the BNA debugfs root directory*/
|
|
|
+ if (!bna_debugfs_root) {
|
|
|
+ bna_debugfs_root = debugfs_create_dir("bna", NULL);
|
|
|
+ atomic_set(&bna_debugfs_port_count, 0);
|
|
|
+ if (!bna_debugfs_root) {
|
|
|
+ pr_warn("BNA: debugfs root dir creation failed\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Setup the pci_dev debugfs directory for the port */
|
|
|
+ snprintf(name, sizeof(name), "pci_dev:%s", pci_name(bnad->pcidev));
|
|
|
+ if (!bnad->port_debugfs_root) {
|
|
|
+ bnad->port_debugfs_root =
|
|
|
+ debugfs_create_dir(name, bna_debugfs_root);
|
|
|
+ if (!bnad->port_debugfs_root) {
|
|
|
+ pr_warn("bna pci_dev %s: root dir creation failed\n",
|
|
|
+ pci_name(bnad->pcidev));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ atomic_inc(&bna_debugfs_port_count);
|
|
|
+
|
|
|
+ for (i = 0; i < ARRAY_SIZE(bnad_debugfs_files); i++) {
|
|
|
+ file = &bnad_debugfs_files[i];
|
|
|
+ bnad->bnad_dentry_files[i] =
|
|
|
+ debugfs_create_file(file->name,
|
|
|
+ file->mode,
|
|
|
+ bnad->port_debugfs_root,
|
|
|
+ bnad,
|
|
|
+ file->fops);
|
|
|
+ if (!bnad->bnad_dentry_files[i]) {
|
|
|
+ pr_warn(
|
|
|
+ "BNA pci_dev:%s: create %s entry failed\n",
|
|
|
+ pci_name(bnad->pcidev), file->name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/* Uninitialize debugfs interface for BNA */
|
|
|
+void
|
|
|
+bnad_debugfs_uninit(struct bnad *bnad)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ for (i = 0; i < ARRAY_SIZE(bnad_debugfs_files); i++) {
|
|
|
+ if (bnad->bnad_dentry_files[i]) {
|
|
|
+ debugfs_remove(bnad->bnad_dentry_files[i]);
|
|
|
+ bnad->bnad_dentry_files[i] = NULL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Remove the pci_dev debugfs directory for the port */
|
|
|
+ if (bnad->port_debugfs_root) {
|
|
|
+ debugfs_remove(bnad->port_debugfs_root);
|
|
|
+ bnad->port_debugfs_root = NULL;
|
|
|
+ atomic_dec(&bna_debugfs_port_count);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Remove the BNA debugfs root directory */
|
|
|
+ if (atomic_read(&bna_debugfs_port_count) == 0) {
|
|
|
+ debugfs_remove(bna_debugfs_root);
|
|
|
+ bna_debugfs_root = NULL;
|
|
|
+ }
|
|
|
+}
|
Krishna Gudipati