139 lines
3.2 KiB
C
139 lines
3.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
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/*
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* Copyright (c) 2024, Broadcom. All rights reserved. The term
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* Broadcom refers to Broadcom Limited and/or its subsidiaries.
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*
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* Description: Debugfs component of the bnxt_re driver
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*/
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#include <linux/debugfs.h>
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#include <linux/pci.h>
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#include <rdma/ib_addr.h>
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#include "bnxt_ulp.h"
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#include "roce_hsi.h"
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#include "qplib_res.h"
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#include "qplib_sp.h"
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#include "qplib_fp.h"
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#include "qplib_rcfw.h"
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#include "bnxt_re.h"
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#include "ib_verbs.h"
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#include "debugfs.h"
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static struct dentry *bnxt_re_debugfs_root;
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static inline const char *bnxt_re_qp_state_str(u8 state)
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{
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switch (state) {
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case CMDQ_MODIFY_QP_NEW_STATE_RESET:
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return "RST";
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case CMDQ_MODIFY_QP_NEW_STATE_INIT:
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return "INIT";
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case CMDQ_MODIFY_QP_NEW_STATE_RTR:
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return "RTR";
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case CMDQ_MODIFY_QP_NEW_STATE_RTS:
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return "RTS";
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case CMDQ_MODIFY_QP_NEW_STATE_SQE:
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return "SQER";
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case CMDQ_MODIFY_QP_NEW_STATE_SQD:
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return "SQD";
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case CMDQ_MODIFY_QP_NEW_STATE_ERR:
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return "ERR";
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default:
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return "Invalid QP state";
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}
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}
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static inline const char *bnxt_re_qp_type_str(u8 type)
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{
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switch (type) {
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case CMDQ_CREATE_QP1_TYPE_GSI: return "QP1";
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case CMDQ_CREATE_QP_TYPE_GSI: return "QP1";
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case CMDQ_CREATE_QP_TYPE_RC: return "RC";
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case CMDQ_CREATE_QP_TYPE_UD: return "UD";
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case CMDQ_CREATE_QP_TYPE_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
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default: return "Invalid transport type";
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}
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}
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static ssize_t qp_info_read(struct file *filep,
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char __user *buffer,
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size_t count, loff_t *ppos)
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{
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struct bnxt_re_qp *qp = filep->private_data;
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char *buf;
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int len;
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if (*ppos)
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return 0;
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buf = kasprintf(GFP_KERNEL,
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"QPN\t\t: %d\n"
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"transport\t: %s\n"
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"state\t\t: %s\n"
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"mtu\t\t: %d\n"
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"timeout\t\t: %d\n"
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"remote QPN\t: %d\n",
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qp->qplib_qp.id,
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bnxt_re_qp_type_str(qp->qplib_qp.type),
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bnxt_re_qp_state_str(qp->qplib_qp.state),
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qp->qplib_qp.mtu,
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qp->qplib_qp.timeout,
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qp->qplib_qp.dest_qpn);
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if (!buf)
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return -ENOMEM;
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if (count < strlen(buf)) {
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kfree(buf);
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return -ENOSPC;
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}
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len = simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
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kfree(buf);
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return len;
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}
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static const struct file_operations debugfs_qp_fops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = qp_info_read,
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};
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void bnxt_re_debug_add_qpinfo(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp)
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{
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char resn[32];
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sprintf(resn, "0x%x", qp->qplib_qp.id);
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qp->dentry = debugfs_create_file(resn, 0400, rdev->qp_debugfs, qp, &debugfs_qp_fops);
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}
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void bnxt_re_debug_rem_qpinfo(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp)
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{
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debugfs_remove(qp->dentry);
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}
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void bnxt_re_debugfs_add_pdev(struct bnxt_re_dev *rdev)
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{
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struct pci_dev *pdev = rdev->en_dev->pdev;
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rdev->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), bnxt_re_debugfs_root);
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rdev->qp_debugfs = debugfs_create_dir("QPs", rdev->dbg_root);
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}
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void bnxt_re_debugfs_rem_pdev(struct bnxt_re_dev *rdev)
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{
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debugfs_remove_recursive(rdev->qp_debugfs);
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debugfs_remove_recursive(rdev->dbg_root);
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rdev->dbg_root = NULL;
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}
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void bnxt_re_register_debugfs(void)
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{
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bnxt_re_debugfs_root = debugfs_create_dir("bnxt_re", NULL);
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}
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void bnxt_re_unregister_debugfs(void)
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{
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debugfs_remove(bnxt_re_debugfs_root);
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}
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