diff --git a/MAINTAINERS b/MAINTAINERS index acd7278a8f3a..4e851fc92e41 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7654,6 +7654,7 @@ F: include/uapi/linux/if_infiniband.h F: include/uapi/rdma/ F: include/rdma/ F: include/trace/events/ib_mad.h +F: include/trace/events/ib_umad.h INGENIC JZ4780 DMA Driver M: Zubair Lutfullah Kakakhel diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 02b7947ab215..2de5b4404abc 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -129,6 +129,9 @@ struct ib_umad_packet { struct ib_user_mad mad; }; +#define CREATE_TRACE_POINTS +#include + static const dev_t base_umad_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE); static const dev_t base_issm_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE) + IB_UMAD_NUM_FIXED_MINOR; @@ -334,6 +337,9 @@ static ssize_t copy_recv_mad(struct ib_umad_file *file, char __user *buf, return -EFAULT; } } + + trace_ib_umad_read_recv(file, &packet->mad.hdr, &recv_buf->mad->mad_hdr); + return hdr_size(file) + packet->length; } @@ -353,6 +359,9 @@ static ssize_t copy_send_mad(struct ib_umad_file *file, char __user *buf, if (copy_to_user(buf, packet->mad.data, packet->length)) return -EFAULT; + trace_ib_umad_read_send(file, &packet->mad.hdr, + (struct ib_mad_hdr *)&packet->mad.data); + return size; } @@ -508,6 +517,9 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf, mutex_lock(&file->mutex); + trace_ib_umad_write(file, &packet->mad.hdr, + (struct ib_mad_hdr *)&packet->mad.data); + agent = __get_agent(file, packet->mad.hdr.id); if (!agent) { ret = -EINVAL; diff --git a/include/trace/events/ib_umad.h b/include/trace/events/ib_umad.h new file mode 100644 index 000000000000..c393a19a0f60 --- /dev/null +++ b/include/trace/events/ib_umad.h @@ -0,0 +1,126 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ + +/* + * Copyright (c) 2018 Intel Corporation. All rights reserved. + * + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM ib_umad + +#if !defined(_TRACE_IB_UMAD_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_IB_UMAD_H + +#include + +DECLARE_EVENT_CLASS(ib_umad_template, + TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr, + struct ib_mad_hdr *mad_hdr), + TP_ARGS(file, umad_hdr, mad_hdr), + + TP_STRUCT__entry( + __field(u8, port_num) + __field(u8, sl) + __field(u8, path_bits) + __field(u8, grh_present) + __field(u32, id) + __field(u32, status) + __field(u32, timeout_ms) + __field(u32, retires) + __field(u32, length) + __field(u32, qpn) + __field(u32, qkey) + __field(u8, gid_index) + __field(u8, hop_limit) + __field(u16, lid) + __field(u16, attr_id) + __field(u16, pkey_index) + __field(u8, base_version) + __field(u8, mgmt_class) + __field(u8, class_version) + __field(u8, method) + __field(u32, flow_label) + __field(u16, mad_status) + __field(u16, class_specific) + __field(u32, attr_mod) + __field(u64, tid) + __array(u8, gid, 16) + __field(u32, dev_index) + __field(u8, traffic_class) + ), + + TP_fast_assign( + __entry->dev_index = file->port->ib_dev->index; + __entry->port_num = file->port->port_num; + + __entry->id = umad_hdr->id; + __entry->status = umad_hdr->status; + __entry->timeout_ms = umad_hdr->timeout_ms; + __entry->retires = umad_hdr->retries; + __entry->length = umad_hdr->length; + __entry->qpn = umad_hdr->qpn; + __entry->qkey = umad_hdr->qkey; + __entry->lid = umad_hdr->lid; + __entry->sl = umad_hdr->sl; + __entry->path_bits = umad_hdr->path_bits; + __entry->grh_present = umad_hdr->grh_present; + __entry->gid_index = umad_hdr->gid_index; + __entry->hop_limit = umad_hdr->hop_limit; + __entry->traffic_class = umad_hdr->traffic_class; + memcpy(__entry->gid, umad_hdr->gid, sizeof(umad_hdr->gid)); + __entry->flow_label = umad_hdr->flow_label; + __entry->pkey_index = umad_hdr->pkey_index; + + __entry->base_version = mad_hdr->base_version; + __entry->mgmt_class = mad_hdr->mgmt_class; + __entry->class_version = mad_hdr->class_version; + __entry->method = mad_hdr->method; + __entry->mad_status = mad_hdr->status; + __entry->class_specific = mad_hdr->class_specific; + __entry->tid = mad_hdr->tid; + __entry->attr_id = mad_hdr->attr_id; + __entry->attr_mod = mad_hdr->attr_mod; + ), + + TP_printk("%d:%d umad_hdr: id 0x%08x status 0x%08x ms %u ret %u " \ + "len %u QP%u qkey 0x%08x lid 0x%04x sl %u path_bits 0x%x " \ + "grh 0x%x gidi %u hop_lim %u traf_cl %u gid %pI6c " \ + "flow 0x%08x pkeyi %u MAD: base_ver 0x%x class 0x%x " \ + "class_ver 0x%x method 0x%x status 0x%04x " \ + "class_specific 0x%04x tid 0x%016llx attr_id 0x%04x " \ + "attr_mod 0x%08x ", + __entry->dev_index, __entry->port_num, + __entry->id, __entry->status, __entry->timeout_ms, + __entry->retires, __entry->length, be32_to_cpu(__entry->qpn), + be32_to_cpu(__entry->qkey), be16_to_cpu(__entry->lid), + __entry->sl, __entry->path_bits, __entry->grh_present, + __entry->gid_index, __entry->hop_limit, + __entry->traffic_class, &__entry->gid, + be32_to_cpu(__entry->flow_label), __entry->pkey_index, + __entry->base_version, __entry->mgmt_class, + __entry->class_version, __entry->method, + be16_to_cpu(__entry->mad_status), + be16_to_cpu(__entry->class_specific), + be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id), + be32_to_cpu(__entry->attr_mod) + ) +); + +DEFINE_EVENT(ib_umad_template, ib_umad_write, + TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr, + struct ib_mad_hdr *mad_hdr), + TP_ARGS(file, umad_hdr, mad_hdr)); + +DEFINE_EVENT(ib_umad_template, ib_umad_read_recv, + TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr, + struct ib_mad_hdr *mad_hdr), + TP_ARGS(file, umad_hdr, mad_hdr)); + +DEFINE_EVENT(ib_umad_template, ib_umad_read_send, + TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr, + struct ib_mad_hdr *mad_hdr), + TP_ARGS(file, umad_hdr, mad_hdr)); + +#endif /* _TRACE_IB_UMAD_H */ + +#include