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Signed-off-by: Siva Reddy Kallam Reviewed-by: Usman Ansari --- drivers/infiniband/hw/bng_re/Makefile | 3 +- drivers/infiniband/hw/bng_re/bng_debugfs.c | 39 ++++++++++++++++++++++ drivers/infiniband/hw/bng_re/bng_debugfs.h | 12 +++++++ drivers/infiniband/hw/bng_re/bng_dev.c | 12 +++++++ drivers/infiniband/hw/bng_re/bng_re.h | 1 + 5 files changed, 66 insertions(+), 1 deletion(-) create mode 100644 drivers/infiniband/hw/bng_re/bng_debugfs.c create mode 100644 drivers/infiniband/hw/bng_re/bng_debugfs.h diff --git a/drivers/infiniband/hw/bng_re/Makefile b/drivers/infiniband/hw/bng_re/Makefile index 556b763b43f9..c6aaaf853c77 100644 --- a/drivers/infiniband/hw/bng_re/Makefile +++ b/drivers/infiniband/hw/bng_re/Makefile @@ -4,4 +4,5 @@ ccflags-y := -I $(srctree)/drivers/net/ethernet/broadcom/bnge -I $(srctree)/driv obj-$(CONFIG_INFINIBAND_BNG_RE) += bng_re.o bng_re-y := bng_dev.o bng_fw.o \ - bng_res.o bng_sp.o + bng_res.o bng_sp.o \ + bng_debugfs.o diff --git a/drivers/infiniband/hw/bng_re/bng_debugfs.c b/drivers/infiniband/hw/bng_re/bng_debugfs.c new file mode 100644 index 000000000000..9ec5a8785250 --- /dev/null +++ b/drivers/infiniband/hw/bng_re/bng_debugfs.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2025 Broadcom. +#include +#include + +#include + +#include "bng_res.h" +#include "bng_fw.h" +#include "bnge.h" +#include "bnge_auxr.h" +#include "bng_re.h" +#include "bng_debugfs.h" + +static struct dentry *bng_re_debugfs_root; + +void bng_re_debugfs_add_pdev(struct bng_re_dev *rdev) +{ + struct pci_dev *pdev = rdev->aux_dev->pdev; + + rdev->dbg_root = + debugfs_create_dir(dev_name(&pdev->dev), bng_re_debugfs_root); +} + +void bng_re_debugfs_rem_pdev(struct bng_re_dev *rdev) +{ + debugfs_remove_recursive(rdev->dbg_root); + rdev->dbg_root = NULL; +} + +void bng_re_register_debugfs(void) +{ + bng_re_debugfs_root = debugfs_create_dir("bng_re", NULL); +} + +void bng_re_unregister_debugfs(void) +{ + debugfs_remove(bng_re_debugfs_root); +} diff --git a/drivers/infiniband/hw/bng_re/bng_debugfs.h b/drivers/infiniband/hw/bng_re/bng_debugfs.h new file mode 100644 index 000000000000..baef71df4242 --- /dev/null +++ b/drivers/infiniband/hw/bng_re/bng_debugfs.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// Copyright (c) 2025 Broadcom. + +#ifndef __BNG_RE_DEBUGFS__ +#define __BNG_RE_DEBUGFS__ + +void bng_re_debugfs_add_pdev(struct bng_re_dev *rdev); +void bng_re_debugfs_rem_pdev(struct bng_re_dev *rdev); + +void bng_re_register_debugfs(void); +void bng_re_unregister_debugfs(void); +#endif diff --git a/drivers/infiniband/hw/bng_re/bng_dev.c b/drivers/infiniband/hw/bng_re/bng_dev.c index 9faa64af3047..773121682bbe 100644 --- a/drivers/infiniband/hw/bng_re/bng_dev.c +++ b/drivers/infiniband/hw/bng_re/bng_dev.c @@ -14,6 +14,7 @@ #include "bnge_auxr.h" #include "bng_re.h" #include "bnge_hwrm.h" +#include "bng_debugfs.h" static char version[] = BNG_RE_DESC "\n"; @@ -219,6 +220,7 @@ static void bng_re_query_hwrm_version(struct bng_re_dev *rdev) static void bng_re_dev_uninit(struct bng_re_dev *rdev) { + bng_re_debugfs_rem_pdev(rdev); bng_re_disable_rcfw_channel(&rdev->rcfw); bng_re_net_ring_free(rdev, rdev->rcfw.creq.ring_id, RING_ALLOC_REQ_RING_TYPE_NQ); @@ -318,6 +320,9 @@ static int bng_re_dev_init(struct bng_re_dev *rdev) rc = bng_re_get_dev_attr(&rdev->rcfw); if (rc) goto disable_rcfw; + + bng_re_debugfs_add_pdev(rdev); + return 0; disable_rcfw: bng_re_disable_rcfw_channel(&rdev->rcfw); @@ -424,17 +429,24 @@ static int __init bng_re_mod_init(void) pr_info("%s: %s", BNG_ROCE_DRV_MODULE_NAME, version); + bng_re_register_debugfs(); + rc = auxiliary_driver_register(&bng_re_driver); if (rc) { pr_err("%s: Failed to register auxiliary driver\n", BNG_ROCE_DRV_MODULE_NAME); + goto unreg_debugfs; } + return 0; +unreg_debugfs: + bng_re_unregister_debugfs(); return rc; } static void __exit bng_re_mod_exit(void) { auxiliary_driver_unregister(&bng_re_driver); + bng_re_unregister_debugfs(); } module_init(bng_re_mod_init); diff --git a/drivers/infiniband/hw/bng_re/bng_re.h b/drivers/infiniband/hw/bng_re/bng_re.h index 7598dd91043b..76837f17f12d 100644 --- a/drivers/infiniband/hw/bng_re/bng_re.h +++ b/drivers/infiniband/hw/bng_re/bng_re.h @@ -76,6 +76,7 @@ struct bng_re_dev { struct bng_re_nq_record *nqr; /* Device Resources */ struct bng_re_dev_attr *dev_attr; + struct dentry *dbg_root; }; #endif -- 2.34.1