Commit ece45e26 authored by Junxian Huang's avatar Junxian Huang Committed by Juan Zhou
Browse files

RDMA/hns: Add debugfs to hns RoCE 

mainline inclusion
from mainline-v6.8-rc1
commit ca7ad04cd5d2f8070cd34c2c428cea36de516afc
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I90X3R
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca7ad04cd5d2f8070cd34c2c428cea36de516afc



----------------------------------------------------------------------

Add debugfs to hns RoCE. This patch only adds an empty directory
"hns_roce" to debugs root directory.

Signed-off-by: default avatarJunxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231114123449.1106162-3-huangjunxian6@hisilicon.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarJuan Zhou <zhoujuan51@h-partners.com>
parent bf4ef399

drivers/infiniband/hw/hns/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -7,7 +7,8 @@ ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3 


hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \

	hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \

	hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o

	hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o \

	hns_roce_debugfs.o



ifdef CONFIG_INFINIBAND_HNS_HIP08

hns-roce-hw-v2-objs := hns_roce_hw_v2.o $(hns-roce-objs)

drivers/infiniband/hw/hns/hns_roce_debugfs.c

0 → 100644
+63 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0+

/*

 * Copyright (c) 2023 Hisilicon Limited.

 */



#include <linux/debugfs.h>

#include <linux/device.h>



#include "hns_roce_device.h"



static struct dentry *hns_roce_dbgfs_root;



static int hns_debugfs_seqfile_open(struct inode *inode, struct file *f)

{

	struct hns_debugfs_seqfile *seqfile = inode->i_private;



	return single_open(f, seqfile->read, seqfile->data);

}



static const struct file_operations hns_debugfs_seqfile_fops = {

	.owner = THIS_MODULE,

	.open = hns_debugfs_seqfile_open,

	.release = single_release,

	.read = seq_read,

	.llseek = seq_lseek

};



static void init_debugfs_seqfile(struct hns_debugfs_seqfile *seq,

				 const char *name, struct dentry *parent,

				 int (*read_fn)(struct seq_file *, void *),

				 void *data)

{

	debugfs_create_file(name, 0400, parent, seq, &hns_debugfs_seqfile_fops);



	seq->read = read_fn;

	seq->data = data;

}



/* debugfs for device */

void hns_roce_register_debugfs(struct hns_roce_dev *hr_dev)

{

	struct hns_roce_dev_debugfs *dbgfs = &hr_dev->dbgfs;



	dbgfs->root = debugfs_create_dir(dev_name(&hr_dev->ib_dev.dev),

					 hns_roce_dbgfs_root);

}



void hns_roce_unregister_debugfs(struct hns_roce_dev *hr_dev)

{

	debugfs_remove_recursive(hr_dev->dbgfs.root);

}



/* debugfs for hns module */

void hns_roce_init_debugfs(void)

{

	hns_roce_dbgfs_root = debugfs_create_dir("hns_roce", NULL);

}



void hns_roce_cleanup_debugfs(void)

{

	debugfs_remove_recursive(hns_roce_dbgfs_root);

	hns_roce_dbgfs_root = NULL;

}

drivers/infiniband/hw/hns/hns_roce_debugfs.h

0 → 100644
+27 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0+ */

/*

 * Copyright (c) 2023 Hisilicon Limited.

 */



#ifndef __HNS_ROCE_DEBUGFS_H

#define __HNS_ROCE_DEBUGFS_H



/* debugfs seqfile */

struct hns_debugfs_seqfile {

	int (*read)(struct seq_file *seq, void *data);

	void *data;

};



/* Debugfs for device */

struct hns_roce_dev_debugfs {

	struct dentry *root;

};



struct hns_roce_dev;



void hns_roce_init_debugfs(void);

void hns_roce_cleanup_debugfs(void);

void hns_roce_register_debugfs(struct hns_roce_dev *hr_dev);

void hns_roce_unregister_debugfs(struct hns_roce_dev *hr_dev);



#endif

drivers/infiniband/hw/hns/hns_roce_device.h

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 


#include <rdma/ib_verbs.h>

#include <rdma/hns-abi.h>

#include "hns_roce_debugfs.h"



#define PCI_REVISION_ID_HIP08			0x21

#define PCI_REVISION_ID_HIP09			0x30
@@ -979,6 +980,7 @@ struct hns_roce_dev { 
	u32 is_vf;

	u32 cong_algo_tmpl_id;

	u64 dwqe_page;

	struct hns_roce_dev_debugfs dbgfs;

};



static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+2 −0
Original line number Diff line number Diff line
@@ -6963,12 +6963,14 @@ static struct hnae3_client hns_roce_hw_v2_client = { 


static int __init hns_roce_hw_v2_init(void)

{

	hns_roce_init_debugfs();

	return hnae3_register_client(&hns_roce_hw_v2_client);

}



static void __exit hns_roce_hw_v2_exit(void)

{

	hnae3_unregister_client(&hns_roce_hw_v2_client);

	hns_roce_cleanup_debugfs();

}



module_init(hns_roce_hw_v2_init);