diff options
author | Junxian Huang <huangjunxian6@hisilicon.com> | 2023-11-14 15:34:48 +0300 |
---|---|---|
committer | Leon Romanovsky <leon@kernel.org> | 2023-11-19 15:55:43 +0300 |
commit | ca7ad04cd5d2f8070cd34c2c428cea36de516afc (patch) | |
tree | 02ebec80fc8931d146c5357fa4b8254b1ff1d786 /drivers/infiniband/hw/hns | |
parent | f45b83ad39f8033e717b1eee57e81811113d5a84 (diff) | |
download | linux-ca7ad04cd5d2f8070cd34c2c428cea36de516afc.tar.xz |
RDMA/hns: Add debugfs to hns RoCE
Add debugfs to hns RoCE. This patch only adds an empty directory
"hns_roce" to debugs root directory.
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231114123449.1106162-3-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/hns')
-rw-r--r-- | drivers/infiniband/hw/hns/Makefile | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_debugfs.c | 63 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_debugfs.h | 27 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 3 |
6 files changed, 99 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile index a7d259238305..be1e1cdbcfa8 100644 --- a/drivers/infiniband/hw/hns/Makefile +++ b/drivers/infiniband/hw/hns/Makefile @@ -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) diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.c b/drivers/infiniband/hw/hns/hns_roce_debugfs.c new file mode 100644 index 000000000000..79825570cc35 --- /dev/null +++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.c @@ -0,0 +1,63 @@ +// 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; +} diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.h b/drivers/infiniband/hw/hns/hns_roce_debugfs.h new file mode 100644 index 000000000000..ece71fe6730c --- /dev/null +++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.h @@ -0,0 +1,27 @@ +/* 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 diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 1627f3b0ef28..a847cdfb4ad6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -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) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index c01307be06ab..8a5432bb0e85 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -6958,12 +6958,14 @@ 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); diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index a4a10a4e1aab..c9f93ba522c9 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -1079,6 +1079,8 @@ int hns_roce_init(struct hns_roce_dev *hr_dev) if (ret) goto error_failed_register_device; + hns_roce_register_debugfs(hr_dev); + return 0; error_failed_register_device: @@ -1108,6 +1110,7 @@ error_failed_cmd_init: void hns_roce_exit(struct hns_roce_dev *hr_dev) { + hns_roce_unregister_debugfs(hr_dev); hns_roce_unregister_device(hr_dev); if (hr_dev->hw->hw_exit) |