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143 lines
4.0 KiB
143 lines
4.0 KiB
/* |
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* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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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 "usnic.h" |
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#include "usnic_log.h" |
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#include "usnic_debugfs.h" |
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#include "usnic_ib_qp_grp.h" |
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#include "usnic_transport.h" |
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static struct dentry *debugfs_root; |
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static struct dentry *flows_dentry; |
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static ssize_t usnic_debugfs_buildinfo_read(struct file *f, char __user *data, |
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size_t count, loff_t *ppos) |
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{ |
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char buf[500]; |
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int res; |
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if (*ppos > 0) |
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return 0; |
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res = scnprintf(buf, sizeof(buf), |
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"version: %s\n" |
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"build date: %s\n", |
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DRV_VERSION, DRV_RELDATE); |
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return simple_read_from_buffer(data, count, ppos, buf, res); |
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} |
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static const struct file_operations usnic_debugfs_buildinfo_ops = { |
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.owner = THIS_MODULE, |
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.open = simple_open, |
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.read = usnic_debugfs_buildinfo_read |
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}; |
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static ssize_t flowinfo_read(struct file *f, char __user *data, |
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size_t count, loff_t *ppos) |
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{ |
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struct usnic_ib_qp_grp_flow *qp_flow; |
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int n; |
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int left; |
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char *ptr; |
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char buf[512]; |
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qp_flow = f->private_data; |
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ptr = buf; |
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left = count; |
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if (*ppos > 0) |
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return 0; |
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spin_lock(&qp_flow->qp_grp->lock); |
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n = scnprintf(ptr, left, |
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"QP Grp ID: %d Transport: %s ", |
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qp_flow->qp_grp->grp_id, |
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usnic_transport_to_str(qp_flow->trans_type)); |
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UPDATE_PTR_LEFT(n, ptr, left); |
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if (qp_flow->trans_type == USNIC_TRANSPORT_ROCE_CUSTOM) { |
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n = scnprintf(ptr, left, "Port_Num:%hu\n", |
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qp_flow->usnic_roce.port_num); |
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UPDATE_PTR_LEFT(n, ptr, left); |
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} else if (qp_flow->trans_type == USNIC_TRANSPORT_IPV4_UDP) { |
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n = usnic_transport_sock_to_str(ptr, left, |
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qp_flow->udp.sock); |
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UPDATE_PTR_LEFT(n, ptr, left); |
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n = scnprintf(ptr, left, "\n"); |
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UPDATE_PTR_LEFT(n, ptr, left); |
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} |
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spin_unlock(&qp_flow->qp_grp->lock); |
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return simple_read_from_buffer(data, count, ppos, buf, ptr - buf); |
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} |
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static const struct file_operations flowinfo_ops = { |
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.owner = THIS_MODULE, |
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.open = simple_open, |
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.read = flowinfo_read, |
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}; |
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void usnic_debugfs_init(void) |
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{ |
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debugfs_root = debugfs_create_dir(DRV_NAME, NULL); |
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flows_dentry = debugfs_create_dir("flows", debugfs_root); |
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debugfs_create_file("build-info", S_IRUGO, debugfs_root, |
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NULL, &usnic_debugfs_buildinfo_ops); |
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} |
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void usnic_debugfs_exit(void) |
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{ |
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debugfs_remove_recursive(debugfs_root); |
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debugfs_root = NULL; |
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} |
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void usnic_debugfs_flow_add(struct usnic_ib_qp_grp_flow *qp_flow) |
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{ |
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scnprintf(qp_flow->dentry_name, sizeof(qp_flow->dentry_name), |
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"%u", qp_flow->flow->flow_id); |
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qp_flow->dbgfs_dentry = debugfs_create_file(qp_flow->dentry_name, |
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S_IRUGO, |
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flows_dentry, |
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qp_flow, |
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&flowinfo_ops); |
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} |
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void usnic_debugfs_flow_remove(struct usnic_ib_qp_grp_flow *qp_flow) |
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{ |
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debugfs_remove(qp_flow->dbgfs_dentry); |
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}
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