It is caused by the not-freed kobject of rtrs_srv_sess. The kobject
embedded in rtrs_srv_sess has ref-counter 2 after calling
process_info_req(). Therefore it must call kobject_put twice. Currently
it calls kobject_put only once at rtrs_srv_destroy_sess_files because
kobject_del removes the state_in_sysfs flag and then kobject_put in
free_sess() is not called.
This patch moves kobject_del() into free_sess() so that the kobject of
rtrs_srv_sess can be freed. And also this patch adds the missing call of
sysfs_remove_group() to clean-up the sysfs directory.
Md Haris Iqbal [Fri, 12 Feb 2021 13:45:23 +0000 (14:45 +0100)]
RDMA/rtrs: Only allow addition of path to an already established session
While adding a path from the client side to an already established
session, it was possible to provide the destination IP to a different
server. This is dangerous.
This commit adds an extra member to the rtrs_msg_conn_req structure, named
first_conn; which is supposed to notify if the connection request is the
first for that session or not.
On the server side, if a session does not exist but the first_conn
received inside the rtrs_msg_conn_req structure is 1, the connection
request is failed. This signifies that the connection request is for an
already existing session, and since the server did not find one, it is an
wrong connection request.
Fixes: 6a98d71daea1 ("RDMA/rtrs: client: main functionality") Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality") Link: https://lore.kernel.org/r/20210212134525.103456-3-jinpu.wang@cloud.ionos.com Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Reviewed-by: Lutz Pogrell <lutz.pogrell@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The problem is when we send imm_wr, the type should be ib_rdma_wr, so hw
driver like mlx4 can do rdma_wr(wr), so fix it by use the ib_rdma_wr as
type for imm_wr.
Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality") Link: https://lore.kernel.org/r/20210212134525.103456-2-jinpu.wang@cloud.ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Gioh Kim <gi-oh.kim@cloud.ionos.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Bob Pearson [Thu, 11 Feb 2021 21:04:56 +0000 (15:04 -0600)]
RDMA/rxe: Remove unused pkt->offset
The pkt->offset field is never used except to assign it to 0. But it adds
lots of unneeded code. This patch removes the field and related code. This
causes a measurable improvement in performance.
Avihai Horon [Thu, 11 Feb 2021 09:05:17 +0000 (11:05 +0200)]
RDMA/ucma: Fix use-after-free bug in ucma_create_uevent
ucma_process_join() allocates struct ucma_multicast mc and frees it if an
error occurs during its run. Specifically, if an error occurs in
copy_to_user(), a use-after-free might happen in the following scenario:
1. mc struct is allocated.
2. rdma_join_multicast() is called and succeeds. During its run,
cma_iboe_join_multicast() enqueues a work that will later use the
aforementioned mc struct.
3. copy_to_user() is called and fails.
4. mc struct is deallocated.
5. The work that was enqueued by cma_iboe_join_multicast() is run and
calls ucma_create_uevent() which tries to access mc struct (which is
freed by now).
Fix this bug by cancelling the work enqueued by cma_iboe_join_multicast().
Since cma_work_handler() frees struct cma_work, we don't use it in
cma_iboe_join_multicast() so we can safely cancel the work later.
The following syzkaller report revealed it:
BUG: KASAN: use-after-free in ucma_create_uevent+0x2dd/0x;3f0 drivers/infiniband/core/ucma.c:272
Read of size 8 at addr ffff88810b3ad110 by task kworker/u8:1/108
Freed by task 359:
kasan_save_stack+0x1b/0×40 mm/kasan/common.c:48
kasan_set_track+0x1c/0×30 mm/kasan/common.c:56
kasan_set_free_info+0x1b/0×30 mm/kasan/generic.c:355
__kasan_slab_free+0x112/0×160 mm/kasan/common.c:422
slab_free_hook mm/slub.c:1544 [inline]
slab_free_freelist_hook mm/slub.c:1577 [inline]
slab_free mm/slub.c:3142 [inline]
kfree+0xb3/0×3e0 mm/slub.c:4124
ucma_process_join+0x22d/0×3f0 drivers/infiniband/core/ucma.c:1497
ucma_join_multicast+0xda/0×140 drivers/infiniband/core/ucma.c:1538
ucma_write+0x1f7/0×280 drivers/infiniband/core/ucma.c:1724
vfs_write fs/read_write.c:603 [inline]
vfs_write+0x191/0×4c0 fs/read_write.c:585
ksys_write+0x1a1/0×1e0 fs/read_write.c:658
do_syscall_64+0x2d/0×40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The buggy address belongs to the object at ffff88810b3ad100
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 16 bytes inside of
192-byte region [ffff88810b3ad100, ffff88810b3ad1c0)
Fixes: b5de0c60cc30 ("RDMA/cma: Fix use after free race in roce multicast join") Link: https://lore.kernel.org/r/20210211090517.1278415-1-leon@kernel.org Reported-by: Amit Matityahu <mitm@nvidia.com> Signed-off-by: Avihai Horon <avihaih@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Leon Romanovsky [Wed, 10 Feb 2021 15:14:21 +0000 (17:14 +0200)]
RDMA/core: Fix kernel doc warnings for ib_port_immutable_read()
drivers/infiniband/core/device.c:859: warning: Function parameter or member 'dev' not described in 'ib_port_immutable_read'
drivers/infiniband/core/device.c:859: warning: Function parameter or member 'port' not described in 'ib_port_immutable_read'
Fixes: 7416790e2245 ("RDMA/core: Introduce and use API to read port immutable data") Link: https://lore.kernel.org/r/20210210151421.1108809-1-leon@kernel.org Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Yixing Liu [Wed, 10 Feb 2021 02:33:44 +0000 (10:33 +0800)]
RDMA/hns: Adjust definition of FRMR fields
FRMR is not well-supported on HIP08, it is re-designed for HIP09 and the
position of related fields is changed. Then the ULPs should be forbidden
to use FRMR on older hardwares.
Lang Cheng [Sun, 7 Feb 2021 08:55:42 +0000 (16:55 +0800)]
RDMA/hns: Adjust fields and variables about CMDQ tail/head
The register 0x07014 is actually the head pointer of CMDQ, and 0x07010
means tail pointer. Current definitions are confusing, so rename them and
related variables.
The next_to_use of structure hns_roce_v2_cmq_ring has the same semantics
as head, merge them into one member. The next_to_clean of structure
hns_roce_v2_cmq_ring has the same semantics as tail. After deleting
next_to_clean, tail should also be deleted.
Lang Cheng [Sun, 7 Feb 2021 08:55:41 +0000 (16:55 +0800)]
RDMA/hns: Remove redundant operations on CMDQ
CMDQ works serially, after each successful transmission, the head and tail
pointers will be equal, so there is no need to check whether the queue is
full. At the same time, since the descriptor of each transmission is new,
there is no need to perform a cleanup operation. Then, the field named
next_to_clean in structure hns_roce_v2_cmq_ring is redundant.
When a system receives a REREG event from the SM, then the SM information
in the kernel is marked as invalid and a request is sent to the SM to
update the information. The SM information is invalid in that time period.
However, receiving a REREG also occurs simultaneously in user space
applications that are now trying to rejoin the multicast groups. Some of
those may be sendonly multicast groups which are then failing.
If the SM information is invalid then ib_sa_sendonly_fullmem_support()
returns false. That is wrong because it just means that we do not know yet
if the potentially new SM supports sendonly joins.
Sendonly join was introduced in 2015 and all the Subnet managers have
supported it ever since. So there is no point in checking if a subnet
manager supports it.
Should an old opensm get a request for a sendonly join then the request
will fail. The code that is removed here accomodated that situation and
fell back to a full join.
Falling back to a full join is problematic in itself. The reason to use
the sendonly join was to reduce the traffic on the Infiniband fabric
otherwise one could have just stayed with the regular join. So this patch
may cause users of very old opensms to discover that lots of traffic
needlessly crosses their IB fabrics.
RDMA/qedr: Remove in_irq() usage from debug output
qedr_gsi_post_send() has a debug output which prints the return value of
in_irq() and irqs_disabled().
The result of the in_irq(), even if invoked from an interrupt handler, is
subject to change depending on the `threadirqs' command line switch. The
result of irqs_disabled() is always be 1 because the function acquires
spinlock_t with spin_lock_irqsave().
Remove in_irq() and irqs_disabled() from the debug output because it
provides little value.
Bob Pearson [Sat, 6 Feb 2021 00:24:37 +0000 (18:24 -0600)]
RDMA/rxe: Cleanup init_send_wqe
This patch changes the type of init_send_wqe in rxe_verbs.c to void since
it always returns 0. It also separates out the code that copies inline
data into the send wqe as copy_inline_data_to_wqe().
Yishai Hadas [Tue, 2 Feb 2021 07:13:09 +0000 (09:13 +0200)]
RDMA/mlx5: Cleanup the synchronize_srcu() from the ODP flow
Cleanup the synchronize_srcu() from the ODP flow as it was found to be a
very heavy time consumer as part of dereg_mr.
For example de-registration of 10000 ODP MRs each with size of 2M hugepage
took 19.6 sec comparing de-registration of same number of non ODP MRs that
took 172 ms.
The new locking scheme uses the wait_event() mechanism which follows the
use count of the MR instead of using synchronize_srcu().
By that change, the time required for the above test took 95 ms which is
even better than the non ODP flow.
Once fully dropped the srcu usage, had to come with a lock to protect the
XA access.
As part of using the above mechanism we could also clean the
num_deferred_work stuff and follow the use count instead.
Yixian Liu [Fri, 5 Feb 2021 09:39:33 +0000 (17:39 +0800)]
RDMA/hns: Remove unnecessary wrap around for EQ's consumer index
The hns driver wrap around the consumer index of AEQ and CEQ when they
reach to two times of queue entries number for owner mechanism, actually,
it is unnecessary to wrap around since the hardware itself will mask it
before use.
Lang Cheng [Fri, 5 Feb 2021 09:39:32 +0000 (17:39 +0800)]
RDMA/hns: Avoid unnecessary memset on WQEs in post_send
All fields of WQE will be rewrote, so the memset is unnecessary. And when
SQ is working in OWNER mode, the pipeline may prefetch the WQEs beyond PI,
the memset operation may flip the owner bit too early, then the pipeline
may get a wrong WQ.
writeq() is a better choice than __raw_writeq() because it calls dma_wmb()
to barrier in ARM64, and dma_wmb() is better than wmb() for ROCEE device.
This patch removes all wmb() before updating doorbell of SQ/RQ/CQ/SRQ by
replacing __raw_writeq() with writeq() to improve performence. The new
process looks like this:
Weihang Li [Fri, 5 Feb 2021 09:39:23 +0000 (17:39 +0800)]
RDMA/hns: Avoid filling sgid index when modifying QP to RTR
ULP usually set IB(V)_QP_AV when trying to modify QP to RTR if they want
to record sgid index into QPC. For UD QPs, it is useless because it will
be included in WQE. For RC QPs, it will be filled in
hns_roce_set_path(). So sgid index shouldn't be filled by default. Then
hns_get_gid_index() is moved to hns_roce_hw_v1.c because it is only called
in it.
Yixing Liu [Sat, 30 Jan 2021 09:05:13 +0000 (17:05 +0800)]
RDMA/hns: Add support of direct wqe
Direct wqe is a mechanism to fill wqe directly into the hardware. In the
case of light load, the wqe will be filled into pcie bar space of the
hardware, this will reduce one memory access operation and therefore
reduce the latency.
Kamal Heib [Mon, 1 Feb 2021 11:29:22 +0000 (13:29 +0200)]
RDMA/siw: Fix calculation of tx_valid_cpus size
The size of tx_valid_cpus was calculated under the assumption that the
numa nodes identifiers are continuous, which is not the case in all archs
as this could lead to the following panic when trying to access an invalid
tx_valid_cpus index, avoid the following panic by using nr_node_ids
instead of num_online_nodes() to allocate the tx_valid_cpus size.
Wenpeng Liang [Sat, 30 Jan 2021 08:58:09 +0000 (16:58 +0800)]
RDMA/hns: Refactor hns_roce_v2_post_srq_recv()
The SRQ in the hns driver consists of the following four parts:
* wqe buf: the buffer to store WQE.
* wqe_idx buf: the cqe of SRQ may be not generated in the order of wqe, so
the wqe_idx corresponding to the idle WQE needs to be pushed into the
index queue which is a FIFO, then it instructs the hardware to obtain
the corresponding WQE.
* bitmap: bitmap is used to generate and release wqe_idx. When the user
has a new WR, the driver finds the idx of the idle wqe in bitmap. When
the CQE of wqe is generated, the driver will release the idx.
* wr_id buf: wr_id buf is used to store the user's wr_id, then return it
to the user when poll_cq verb is invoked.
The process of post SRQ recv is refactored to make preceding code clearer.
Wenpeng Liang [Sat, 30 Jan 2021 08:58:01 +0000 (16:58 +0800)]
RDMA/hns: Force srq_limit to 0 when creating SRQ
According to the IB Specification, srq_limit shouldn't be configured
during SRQ creation. If a user set srq_limit at this time, the driver
should forced it to zero, or the result of creating SRQ will conflict with
the result of querying SRQ.
Wenpeng Liang [Sat, 30 Jan 2021 08:58:00 +0000 (16:58 +0800)]
RDMA/hns: Bugfix for checking whether the srq is full when post wr
If a user posts WR by wr_list, the head pointer of idx_queue won't be
updated until all wqes are filled, so the judgment of whether head equals
to tail will get a wrong result. Fix above issue and move the head and
tail pointer from the srq structure into the idx_queue structure. After
idx_queue is filled with wqe idx, the head pointer of it will increase.
Lang Cheng [Sat, 30 Jan 2021 08:57:59 +0000 (16:57 +0800)]
RDMA/hns: Allocate one more recv SGE for HIP08
The RQ/SRQ of HIP08 needs one special sge to stop receive reliably. So the
driver needs to allocate at least one SGE when creating RQ/SRQ and ensure
that at least one SGE is filled with the special value during post_recv.
Besides, the kernel driver should only do this for kernel ULP. For
userspace ULP, the userspace driver will allocate the reserved SGE in
buffer, and the kernel driver just needs to pin the corresponding size of
memory based on the userspace driver's requirements.
Bob Pearson [Thu, 28 Jan 2021 23:33:19 +0000 (17:33 -0600)]
RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()
rxe_udp_encap_recv() drops the reference to rxe->ib_dev taken by
rxe_get_dev_from_net() which should be held until each received skb is
freed. This patch moves the calls to ib_device_put() to each place a
received skb is freed. It also takes references to the ib_device for each
cloned skb created to process received multicast packets.
Bob Pearson [Thu, 28 Jan 2021 18:23:02 +0000 (12:23 -0600)]
RDMA/rxe: Correct skb on loopback path
rxe_net.c sends packets at the IP layer with skb->data pointing at the IP
header but receives packets from a UDP tunnel with skb->data pointing at
the UDP header. On the loopback path this was not correctly accounted
for. This patch corrects for this by using sbk_pull() to strip the IP
header from the skb on received packets.
Bob Pearson [Thu, 28 Jan 2021 17:47:53 +0000 (11:47 -0600)]
RDMA/rxe: Fix coding error in rxe_rcv_mcast_pkt
rxe_rcv_mcast_pkt() in rxe_recv.c can leak SKBs in error path code. The
loop over the QPs attached to a multicast group creates new cloned SKBs
for all but the last QP in the list and passes the SKB and its clones to
rxe_rcv_pkt() for further processing. Any QPs that do not pass some checks
are skipped. If the last QP in the list fails the tests the SKB is
leaked. This patch checks if the SKB for the last QP was used and if not
frees it. Also removes a redundant loop invariant assignment.
Fixes: 8700e3e7c485 ("Soft RoCE driver") Fixes: 71abf20b28ff ("RDMA/rxe: Handle skb_clone() failure in rxe_recv.c") Link: https://lore.kernel.org/r/20210128174752.16128-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Bob Pearson [Wed, 27 Jan 2021 22:42:04 +0000 (16:42 -0600)]
RDMA/rxe: Remove useless code in rxe_recv.c
In check_keys() in rxe_recv.c
if ((...) && pkt->mask) {
...
}
always has pkt->mask non zero since in rxe_udp_encap_recv() pkt->mask is
always set to RXE_GRH_MASK (!= 0). There is no obvious reason for this
additional test and the original intent is lost. This patch simplifies the
expression.
Bob Pearson [Wed, 27 Jan 2021 21:45:01 +0000 (15:45 -0600)]
RDMA/rxe: Fix coding error in rxe_recv.c
check_type_state() in rxe_recv.c is written as if the type bits in the
packet opcode were a bit mask which is not correct. This patch corrects
this code to compare all 3 type bits to the required type.
Parav Pandit [Wed, 3 Feb 2021 13:01:32 +0000 (15:01 +0200)]
RDMA/core: Introduce and use API to read port immutable data
Currently mlx5 driver caches port GID table length for 2 ports. It is
also cached by IB core as port immutable data.
When mlx5 representor ports are present, which are usually more than 2,
invalid access to port_caps array can happen while validating the GID
table length which is only for 2 ports.
To avoid this, take help of the IB cores port immutable data by exposing
an API to read the port immutable fields.
Remove mlx5 driver's internal cache, thereby reduce code and data.
Parav Pandit [Wed, 3 Feb 2021 13:01:31 +0000 (15:01 +0200)]
IB/mlx5: Improve query port for representor port
Improve query port functionality for representor port as below.
1. RoCE Qkey violation counters are not applicable for representor port.
2. Avoid setting gid_tbl_len twice for representor port.
3. Avoid setting ip_gids and IB_PORT_CM_SUP property for representor port
as GID table is empty and CM support is not present in representor
mode.
Parav Pandit [Wed, 3 Feb 2021 13:01:30 +0000 (15:01 +0200)]
IB/mlx5: Avoid calling query device for reading pkey table length
Pkey table length for all the ports of the device is the same. Currently
get_ports_cap() reads and stores it for each port by querying the device
which reads more than just pkey table length.
For representor device ports which can be in range of hundreds, it queries
is for each such port and end up returning same value for all the ports.
When in representor mode, modify QP accesses pkey port caps for a port
index that can be outside of the port_caps table.
Hence, simplify the logic to query the max pkey table length only once
during device initialization sequence.
Parav Pandit [Wed, 3 Feb 2021 13:01:29 +0000 (15:01 +0200)]
IB/mlx5: Move mlx5_port_caps from mlx5_core_dev to mlx5_ib_dev
mlx5_port_caps are RDMA specific capabilities. These are not used by the
mlx5_core_device at all. Move them to mlx5_ib_dev where it is used and
reduce the scope of it to multiple drivers.
Parav Pandit [Wed, 27 Jan 2021 15:00:08 +0000 (17:00 +0200)]
IB/cm: Avoid a loop when device has 255 ports
When RDMA device has 255 ports, loop iterator i overflows. Due to which
cm_add_one() port iterator loops infinitely. Use core provided port
iterator to avoid the infinite loop.
Fixes: a977049dacde ("[PATCH] IB: Add the kernel CM implementation") Link: https://lore.kernel.org/r/20210127150010.1876121-9-leon@kernel.org Signed-off-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Parav Pandit <parav@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Gal Pressman [Tue, 26 Jan 2021 12:07:00 +0000 (14:07 +0200)]
RDMA/efa: Remove unused 'select' field from get/set feature command descriptor
The 'select' field in the get/set feature admin command is unimplemented,
unused and misleading, remove it. The command always refers to the
current values.
Gal Pressman [Tue, 26 Jan 2021 12:06:57 +0000 (14:06 +0200)]
RDMA/efa: Remove redundant NULL pointer check of CQE
A pointer to store the command completion must be provided as it is always
used in efa_com_put_comp_ctx() to return the completion context back to
the pool. Remove the NULL pointer check and the redundant 'status' field
stored on the context as it could be retrieved from the completion itself.
drivers/infiniband/hw/hfi1/rc.c:1388: warning: Function parameter or member 'packet' not described in 'hfi1_send_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:1388: warning: Function parameter or member 'is_fecn' not described in 'hfi1_send_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:1388: warning: Excess function parameter 'qp' description in 'hfi1_send_rc_ack'
Link: https://lore.kernel.org/r/20210126124732.3320971-21-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:31 +0000 (12:47 +0000)]
RDMA/hw/hfi1/verbs: Demote non-conforming doc header and fix a misspelling
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/verbs.c:741: warning: Function parameter or member 'qp' not described in 'update_tx_opstats'
drivers/infiniband/hw/hfi1/verbs.c:1160: warning: Function parameter or member 'pkey' not described in 'egress_pkey_check'
drivers/infiniband/hw/hfi1/verbs.c:1160: warning: Excess function parameter 'bkey' description in 'egress_pkey_check'
drivers/infiniband/hw/hfi1/verbs.c:1217: warning: Function parameter or member 'qp' not described in 'get_send_routine'
drivers/infiniband/hw/hfi1/verbs.c:1217: warning: Function parameter or member 'ps' not described in 'get_send_routine'
Link: https://lore.kernel.org/r/20210126124732.3320971-20-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:30 +0000 (12:47 +0000)]
RDMA/hw/hfi1/user_exp_rcv: Demote half-documented and kernel-doc abuses
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'fd' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'tidbuf' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'node' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'idx' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'npages' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:174: warning: Function parameter or member 'mapped' not described in 'unpin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:196: warning: Function parameter or member 'fd' not described in 'pin_rcv_pages'
drivers/infiniband/hw/hfi1/user_exp_rcv.c:196: warning: Function parameter or member 'tidbuf' not described in 'pin_rcv_pages'
Link: https://lore.kernel.org/r/20210126124732.3320971-19-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:29 +0000 (12:47 +0000)]
RDMA/hw/hfi1/ud: Fix a little more doc-rot
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/ud.c:477: warning: Function parameter or member 'ps' not described in 'hfi1_make_ud_req'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Function parameter or member 'packet' not described in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'ibp' description in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'hdr' description in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'rcv_flags' description in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'data' description in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'tlen' description in 'hfi1_ud_rcv'
drivers/infiniband/hw/hfi1/ud.c:855: warning: Excess function parameter 'qp' description in 'hfi1_ud_rcv'
Link: https://lore.kernel.org/r/20210126124732.3320971-18-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:28 +0000 (12:47 +0000)]
RDMA/hw/hfi1/uc: Fix a little doc-rot
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/uc.c:64: warning: Function parameter or member 'ps' not described in 'hfi1_make_uc_req'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Function parameter or member 'packet' not described in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'ibp' description in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'hdr' description in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'rcv_flags' description in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'data' description in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'tlen' description in 'hfi1_uc_rcv'
drivers/infiniband/hw/hfi1/uc.c:306: warning: Excess function parameter 'qp' description in 'hfi1_uc_rcv'
Link: https://lore.kernel.org/r/20210126124732.3320971-17-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:27 +0000 (12:47 +0000)]
RDMA/hw/hfi1/tid_rdma: Fix a plethora of kernel-doc issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/tid_rdma.c:321: warning: Function parameter or member 'rdi' not described in 'qp_to_rcd'
drivers/infiniband/hw/hfi1/tid_rdma.c:321: warning: Function parameter or member 'qp' not described in 'qp_to_rcd'
drivers/infiniband/hw/hfi1/tid_rdma.c:505: warning: Function parameter or member 'queue' not described in 'kernel_tid_waiters'
drivers/infiniband/hw/hfi1/tid_rdma.c:536: warning: Function parameter or member 'rcd' not described in 'dequeue_tid_waiter'
drivers/infiniband/hw/hfi1/tid_rdma.c:536: warning: Function parameter or member 'queue' not described in 'dequeue_tid_waiter'
drivers/infiniband/hw/hfi1/tid_rdma.c:536: warning: Function parameter or member 'qp' not described in 'dequeue_tid_waiter'
drivers/infiniband/hw/hfi1/tid_rdma.c:562: warning: Function parameter or member 'queue' not described in 'queue_qp_for_tid_wait'
drivers/infiniband/hw/hfi1/tid_rdma.c:607: warning: Function parameter or member 'qp' not described in 'tid_rdma_schedule_tid_wakeup'
drivers/infiniband/hw/hfi1/tid_rdma.c:639: warning: Function parameter or member 'work' not described in 'tid_rdma_trigger_resume'
drivers/infiniband/hw/hfi1/tid_rdma.c:666: warning: Function parameter or member 'qp' not described in '_tid_rdma_flush_wait'
drivers/infiniband/hw/hfi1/tid_rdma.c:666: warning: Function parameter or member 'queue' not described in '_tid_rdma_flush_wait'
drivers/infiniband/hw/hfi1/tid_rdma.c:713: warning: Function parameter or member 'rcd' not described in 'kern_reserve_flow'
drivers/infiniband/hw/hfi1/tid_rdma.c:713: warning: Function parameter or member 'last' not described in 'kern_reserve_flow'
drivers/infiniband/hw/hfi1/tid_rdma.c:879: warning: Function parameter or member 'flow' not described in 'tid_rdma_find_phys_blocks_4k'
drivers/infiniband/hw/hfi1/tid_rdma.c:879: warning: Function parameter or member 'pages' not described in 'tid_rdma_find_phys_blocks_4k'
drivers/infiniband/hw/hfi1/tid_rdma.c:879: warning: Function parameter or member 'npages' not described in 'tid_rdma_find_phys_blocks_4k'
drivers/infiniband/hw/hfi1/tid_rdma.c:879: warning: Function parameter or member 'list' not described in 'tid_rdma_find_phys_blocks_4k'
drivers/infiniband/hw/hfi1/tid_rdma.c:972: warning: Function parameter or member 'list' not described in 'tid_flush_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:972: warning: Function parameter or member 'idx' not described in 'tid_flush_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:972: warning: Function parameter or member 'pages' not described in 'tid_flush_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:972: warning: Function parameter or member 'sets' not described in 'tid_flush_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:1017: warning: Function parameter or member 'flow' not described in 'tid_rdma_find_phys_blocks_8k'
drivers/infiniband/hw/hfi1/tid_rdma.c:1017: warning: Function parameter or member 'pages' not described in 'tid_rdma_find_phys_blocks_8k'
drivers/infiniband/hw/hfi1/tid_rdma.c:1017: warning: Function parameter or member 'npages' not described in 'tid_rdma_find_phys_blocks_8k'
drivers/infiniband/hw/hfi1/tid_rdma.c:1017: warning: Function parameter or member 'list' not described in 'tid_rdma_find_phys_blocks_8k'
drivers/infiniband/hw/hfi1/tid_rdma.c:1083: warning: Function parameter or member 'flow' not described in 'kern_find_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:1083: warning: Function parameter or member 'pages' not described in 'kern_find_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:1083: warning: Function parameter or member 'ss' not described in 'kern_find_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:1083: warning: Function parameter or member 'last' not described in 'kern_find_pages'
drivers/infiniband/hw/hfi1/tid_rdma.c:1604: warning: Function parameter or member 'req' not described in 'hfi1_kern_exp_rcv_free_flows'
drivers/infiniband/hw/hfi1/tid_rdma.c:3458: warning: Function parameter or member 'qp' not described in 'hfi1_tid_write_alloc_resources'
drivers/infiniband/hw/hfi1/tid_rdma.c:3458: warning: Function parameter or member 'intr_ctx' not described in 'hfi1_tid_write_alloc_resources'
Link: https://lore.kernel.org/r/20210126124732.3320971-16-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:26 +0000 (12:47 +0000)]
RDMA/hw/hfi1/sdma: Fix misnaming of 'sdma_send_txlist()'s 'count_out' param
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/sdma.c:2476: warning: Function parameter or member 'count_out' not described in 'sdma_send_txlist'
drivers/infiniband/hw/hfi1/sdma.c:2476: warning: Excess function parameter 'count' description in 'sdma_send_txlist'
Link: https://lore.kernel.org/r/20210126124732.3320971-15-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:25 +0000 (12:47 +0000)]
RDMA/hw/hfi1/ruc: Fix a small formatting and description issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/ruc.c:277: warning: Function parameter or member 'bth1' not described in 'hfi1_make_ruc_header_16B'
drivers/infiniband/hw/hfi1/ruc.c:365: warning: Function parameter or member 'bth1' not described in 'hfi1_make_ruc_header_9B'
drivers/infiniband/hw/hfi1/ruc.c:472: warning: Function parameter or member 'tid' not described in 'hfi1_schedule_send_yield'
drivers/infiniband/hw/hfi1/ruc.c:472: warning: Excess function parameter 'timeout' description in 'hfi1_schedule_send_yield'
Link: https://lore.kernel.org/r/20210126124732.3320971-14-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:24 +0000 (12:47 +0000)]
RDMA/hw/hfi1/qp: Fix some formatting issues and demote kernel-doc abuse
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/qp.c:195: warning: Function parameter or member 'dev' not described in 'verbs_mtu_enum_to_int'
drivers/infiniband/hw/hfi1/qp.c:195: warning: Function parameter or member 'mtu' not described in 'verbs_mtu_enum_to_int'
drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'qp' not described in 'hfi1_setup_wqe'
drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'wqe' not described in 'hfi1_setup_wqe'
drivers/infiniband/hw/hfi1/qp.c:306: warning: Function parameter or member 'call_send' not described in 'hfi1_setup_wqe'
drivers/infiniband/hw/hfi1/qp.c:922: warning: Function parameter or member 'qp' not described in 'hfi1_qp_iter_cb'
drivers/infiniband/hw/hfi1/qp.c:922: warning: Function parameter or member 'v' not described in 'hfi1_qp_iter_cb'
Link: https://lore.kernel.org/r/20210126124732.3320971-13-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:23 +0000 (12:47 +0000)]
RDMA/hw/hfi1/rc: Fix a few function documentation issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/rc.c:430: warning: Function parameter or member 'ps' not described in 'hfi1_make_rc_req'
drivers/infiniband/hw/hfi1/rc.c:1387: warning: Function parameter or member 'packet' not described in 'hfi1_send_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:1387: warning: Function parameter or member 'is_fecn' not described in 'hfi1_send_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:1387: warning: Excess function parameter 'qp' description in 'hfi1_send_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:2008: warning: Function parameter or member 'aeth' not described in 'do_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:2008: warning: Function parameter or member 'val' not described in 'do_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:2008: warning: Function parameter or member 'rcd' not described in 'do_rc_ack'
drivers/infiniband/hw/hfi1/rc.c:2554: warning: Function parameter or member 'rcd' not described in 'rc_rcv_error'
Link: https://lore.kernel.org/r/20210126124732.3320971-12-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:22 +0000 (12:47 +0000)]
RDMA/hw/hfi1/pio_copy: Provide entry for 'pio_copy()'s 'dd' param
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/pio_copy.c:73: warning: Function parameter or member 'dd' not described in 'pio_copy'
Link: https://lore.kernel.org/r/20210126124732.3320971-11-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:21 +0000 (12:47 +0000)]
RDMA/hw/hfi1/pcie: Demote kernel-doc abuses
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/pcie.c:343: warning: Function parameter or member 'dd' not described in 'restore_pci_variables'
drivers/infiniband/hw/hfi1/pcie.c:402: warning: Function parameter or member 'dd' not described in 'save_pci_variables'
Link: https://lore.kernel.org/r/20210126124732.3320971-10-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:20 +0000 (12:47 +0000)]
RDMA/hw/hfi1/netdev_rx: Fix misdocumentation of the 'start_id' param
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/netdev_rx.c:473: warning: Function parameter or member 'start_id' not described in 'hfi1_netdev_get_first_data'
drivers/infiniband/hw/hfi1/netdev_rx.c:473: warning: Excess function parameter 'id' description in 'hfi1_netdev_get_first_data'
Link: https://lore.kernel.org/r/20210126124732.3320971-9-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:19 +0000 (12:47 +0000)]
RDMA/sw/rdmavt/qp: Fix kernel-doc formatting problem
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/sw/rdmavt/qp.c:1929: warning: Function parameter or member 'post_parms' not described in 'rvt_qp_valid_operation'
Link: https://lore.kernel.org/r/20210126124732.3320971-8-lee.jones@linaro.org Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:18 +0000 (12:47 +0000)]
RDMA/sw/rdmavt/mad: Fix misspelling of 'rvt_process_mad()'s 'in_mad_size' param
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/sw/rdmavt/mad.c:78: warning: Function parameter or member 'in_mad_size' not described in 'rvt_process_mad'
Link: https://lore.kernel.org/r/20210126124732.3320971-7-lee.jones@linaro.org Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:17 +0000 (12:47 +0000)]
RDMA/hw/hfi1/msix: Add description for 'name' and remove superfluous param 'idx'
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/msix.c:120: warning: Function parameter or member 'name' not described in 'msix_request_irq'
drivers/infiniband/hw/hfi1/msix.c:120: warning: Excess function parameter 'idx' description in 'msix_request_irq'
Link: https://lore.kernel.org/r/20210126124732.3320971-6-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:16 +0000 (12:47 +0000)]
RDMA/hw/hfi1/mad: Demote half-completed kernel-doc header fix another
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/mad.c:1354: warning: Function parameter or member 'am' not described in '__subn_set_opa_portinfo'
drivers/infiniband/hw/hfi1/mad.c:1354: warning: Function parameter or member 'data' not described in '__subn_set_opa_portinfo'
drivers/infiniband/hw/hfi1/mad.c:1354: warning: Function parameter or member 'resp_len' not described in '__subn_set_opa_portinfo'
drivers/infiniband/hw/hfi1/mad.c:1354: warning: Function parameter or member 'max_len' not described in '__subn_set_opa_portinfo'
drivers/infiniband/hw/hfi1/mad.c:1354: warning: Function parameter or member 'local_mad' not described in '__subn_set_opa_portinfo'
drivers/infiniband/hw/hfi1/mad.c:4919: warning: Function parameter or member 'out_mad_size' not described in 'hfi1_process_mad'
drivers/infiniband/hw/hfi1/mad.c:4919: warning: Function parameter or member 'out_mad_pkey_index' not described in 'hfi1_process_mad'
Link: https://lore.kernel.org/r/20210126124732.3320971-5-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:15 +0000 (12:47 +0000)]
RDMA/hw/hfi1/iowait: Demote half-completed kernel-doc and fix formatting issue in another
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/iowait.c:52: warning: Function parameter or member 'tidfunc' not described in 'iowait_init'
drivers/infiniband/hw/hfi1/iowait.c:52: warning: Function parameter or member 'wakeup' not described in 'iowait_init'
drivers/infiniband/hw/hfi1/iowait.c:52: warning: Function parameter or member 'sdma_drained' not described in 'iowait_init'
drivers/infiniband/hw/hfi1/iowait.c:52: warning: Function parameter or member 'init_priority' not described in 'iowait_init'
drivers/infiniband/hw/hfi1/iowait.c:52: warning: Excess function parameter 'resume' description in 'iowait_init'
drivers/infiniband/hw/hfi1/iowait.c:94: warning: Function parameter or member 'w' not described in 'iowait_set_work_flag'
Link: https://lore.kernel.org/r/20210126124732.3320971-4-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:14 +0000 (12:47 +0000)]
RDMA/sw/rdmavt/srq: Fix a couple of kernel-doc issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/sw/rdmavt/srq.c:78: warning: Function parameter or member 'ibsrq' not described in 'rvt_create_srq'
drivers/infiniband/sw/rdmavt/srq.c:78: warning: Excess function parameter 'ibpd' description in 'rvt_create_srq'
drivers/infiniband/sw/rdmavt/srq.c:336: warning: Function parameter or member 'udata' not described in 'rvt_destroy_srq'
Link: https://lore.kernel.org/r/20210126124732.3320971-3-lee.jones@linaro.org Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Tue, 26 Jan 2021 12:47:13 +0000 (12:47 +0000)]
RDMA/hw/hfi1/intr: Fix some kernel-doc formatting issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/hfi1/intr.c:99: warning: Function parameter or member 'msg' not described in 'format_hwmsg'
drivers/infiniband/hw/hfi1/intr.c:99: warning: Function parameter or member 'msgl' not described in 'format_hwmsg'
drivers/infiniband/hw/hfi1/intr.c:99: warning: Function parameter or member 'hwmsg' not described in 'format_hwmsg'
drivers/infiniband/hw/hfi1/intr.c:115: warning: Function parameter or member 'hwerrs' not described in 'hfi1_format_hwerrors'
drivers/infiniband/hw/hfi1/intr.c:115: warning: Function parameter or member 'hwerrmsgs' not described in 'hfi1_format_hwerrors'
drivers/infiniband/hw/hfi1/intr.c:115: warning: Function parameter or member 'nhwerrmsgs' not described in 'hfi1_format_hwerrors'
drivers/infiniband/hw/hfi1/intr.c:115: warning: Function parameter or member 'msg' not described in 'hfi1_format_hwerrors'
drivers/infiniband/hw/hfi1/intr.c:115: warning: Function parameter or member 'msgl' not described in 'hfi1_format_hwerrors'
Link: https://lore.kernel.org/r/20210126124732.3320971-2-lee.jones@linaro.org Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Bob Pearson [Mon, 25 Jan 2021 21:16:40 +0000 (15:16 -0600)]
RDMA/rxe: Remove unneeded pool->state
rxe_pool.c uses the field pool->state to mark a pool as invalid when it is
shut down and checks it in several pool APIs to verify that the pool has
not been shut down. This is unneeded because the pools are not marked
invalid unless the entire driver is being removed at which point no
functional APIs should or could be executing. This patch removes this
field and associated code.
Bob Pearson [Mon, 25 Jan 2021 21:16:39 +0000 (15:16 -0600)]
RDMA/rxe: Remove references to ib_device and pool
rxe_pool.c takes references to the pool and ib_device structs for each
object allocated and also keeps an atomic num_elem count in each
pool. This is more work than is needed. Pool allocation is only called
from verbs APIs which already have references to ib_device and pools are
only diasbled when the driver is removed so no protection of the pool
addresses are needed. The elem count is used to warn if elements are still
present in a pool when it is cleaned up which is useful.
This patch eliminates the references to the ib_device and pool structs.
Bob Pearson [Mon, 25 Jan 2021 21:16:38 +0000 (15:16 -0600)]
RDMA/rxe: Remove RXE_POOL_ATOMIC
rxe_alloc() used the RXE_POOL_ATOMIC flag in rxe_type_info to select
GFP_ATOMIC in calls to kzalloc(). This was intended to handle cases where
an object could be created in interrupt context. This no longer occurs
since allocating those objects has moved into the core so this flag is not
necessary. An incorrect use of this flag was still present for rxe_mc_elem
objects and is removed.
Bob Pearson [Mon, 25 Jan 2021 21:16:37 +0000 (15:16 -0600)]
RDMA/rxe: Fix misleading comments and names
The names and comments of the 'unlocked' pool APIs are very misleading and
not what was intended. This patch replaces 'rxe_xxx_nl' with
'rxe_xxx_locked' with comments indicating that the caller is expected to
hold the rxe pool lock.
Link: https://lore.kernel.org/r/20210125211641.2694-3-rpearson@hpe.com Reported-by: Hillf Danton <hdanton@sina.com> Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Bob Pearson [Mon, 25 Jan 2021 21:16:36 +0000 (15:16 -0600)]
RDMA/rxe: Fix bug in rxe_alloc()
A recent patch which added an 'unlocked' version of rxe_alloc introduced a
bug causing kzalloc(..., GFP_KERNEL) to be called while holding a spin
lock. This patch corrects that error.
rxe_alloc_nl() should always be called while holding the pool->pool_lock
so the 2nd argument to kzalloc there should be GFP_ATOMIC.
rxe_alloc() prior to the change only locked the code around checking that
pool->state is RXE_POOL_STATE_VALID to avoid races between working threads
and a thread shutting down the rxe driver. This patch reverts rxe_alloc()
to this behavior so the lock is not held when kzalloc() is called.
Link: https://lore.kernel.org/r/20210125211641.2694-2-rpearson@hpe.com Reported-by: syzbot+ec2fd72374785d0e558e@syzkaller.appspotmail.com Fixes: 3853c35e243d ("RDMA/rxe: Add unlocked versions of pool APIs") Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Shay Drory [Mon, 25 Jan 2021 12:13:39 +0000 (14:13 +0200)]
IB/umad: Return EPOLLERR in case of when device disassociated
Currently, polling a umad device will always works, even if the device was
disassociated. A disassociated device should immediately return EPOLLERR
from poll(). Otherwise userspace is endlessly hung on poll() with no idea
that the device has been removed from the system.
Shay Drory [Mon, 25 Jan 2021 12:13:38 +0000 (14:13 +0200)]
IB/umad: Return EIO in case of when device disassociated
MAD message received by the user has EINVAL error in all flows
including when the device is disassociated. That makes it impossible
for the applications to treat such flow differently.
Change it to return EIO, so the applications will be able to perform
disassociation recovery.
Mark Bloch [Mon, 25 Jan 2021 12:07:09 +0000 (14:07 +0200)]
RDMA/mlx5: Allow creating all QPs even when non RDMA profile is used
The cited commit disallowed creating any QP which isn't raw ethernet, reg
umr or the special UD qp for testing WC, this proved too strict.
While modify can't be done (no GIDS/GID table for example) just creating a
QP is okay.
This patch partially reverts the bellow mentioned commit and places the
restriction at the modify QP stage and not at the creation. DEVX commands
should be used to manipulate such QPs.
Fixes: 42caf9cb5937 ("RDMA/mlx5: Allow only raw Ethernet QPs when RoCE isn't enabled") Link: https://lore.kernel.org/r/20210125120709.836718-1-leon@kernel.org Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lang Cheng [Sat, 23 Jan 2021 09:48:01 +0000 (17:48 +0800)]
RDMA/hns: Optimize the MR registration process
When creating or re-registering an MR, storing the PDN, access flag and
IOVA information ASAP can simplify the number of parameters passed into
the subsequent process.
Xi Wang [Sat, 23 Jan 2021 09:48:00 +0000 (17:48 +0800)]
RDMA/hns: Refactor the MTR creation flow
Split the hns_roce_mtr_create() into serval small functions, remove unused
member in 'struct hns_roce_buf_attr' and delete unnecessary MTR page count
check flow to make the MTR creation related codes clearer.
Lee Jones [Thu, 21 Jan 2021 09:45:19 +0000 (09:45 +0000)]
RDMA/sw/rdmavt/qp: Fix a bunch of kernel-doc misdemeanours
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/sw/rdmavt/qp.c:165: warning: Function parameter or member 'rdi' not described in 'rvt_wss_init'
drivers/infiniband/sw/rdmavt/qp.c:329: warning: Function parameter or member 'rdi' not described in 'init_qpn_table'
drivers/infiniband/sw/rdmavt/qp.c:534: warning: Function parameter or member 'type' not described in 'alloc_qpn'
drivers/infiniband/sw/rdmavt/qp.c:664: warning: Function parameter or member 'wqe' not described in 'rvt_swqe_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:664: warning: Function parameter or member 'lkey' not described in 'rvt_swqe_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:682: warning: Function parameter or member 'qp' not described in 'rvt_qp_sends_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:682: warning: Function parameter or member 'lkey' not described in 'rvt_qp_sends_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:706: warning: Function parameter or member 'qp' not described in 'rvt_qp_acks_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:706: warning: Function parameter or member 'lkey' not described in 'rvt_qp_acks_has_lkey'
drivers/infiniband/sw/rdmavt/qp.c:866: warning: Function parameter or member 'rdi' not described in 'rvt_init_qp'
drivers/infiniband/sw/rdmavt/qp.c:920: warning: Function parameter or member 'rdi' not described in '_rvt_reset_qp'
drivers/infiniband/sw/rdmavt/qp.c:1736: warning: Function parameter or member 'udata' not described in 'rvt_destroy_qp'
drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'qp' not described in 'rvt_qp_valid_operation'
drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'post_parms' not described in 'rvt_qp_valid_operation'
drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'wr' not described in 'rvt_qp_valid_operation'
drivers/infiniband/sw/rdmavt/qp.c:2020: warning: Function parameter or member 'call_send' not described in 'rvt_post_one_wr'
drivers/infiniband/sw/rdmavt/qp.c:2621: warning: Function parameter or member 'qp' not described in 'rvt_stop_rnr_timer'
Link: https://lore.kernel.org/r/20210121094519.2044049-31-lee.jones@linaro.org Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Lee Jones [Thu, 21 Jan 2021 09:45:18 +0000 (09:45 +0000)]
RDMA/hw/qib/qib_iba6120: Fix some repeated (copy/paste) kernel-doc issues
Fixes the following W=1 kernel build warning(s):
drivers/infiniband/hw/qib/qib_iba6120.c:1229: warning: Function parameter or member 'ppd' not described in 'qib_6120_bringup_serdes'
drivers/infiniband/hw/qib/qib_iba6120.c:1229: warning: Excess function parameter 'dd' description in 'qib_6120_bringup_serdes'
drivers/infiniband/hw/qib/qib_iba6120.c:1436: warning: Function parameter or member 'ppd' not described in 'qib_6120_setup_setextled'
drivers/infiniband/hw/qib/qib_iba6120.c:1436: warning: Excess function parameter 'dd' description in 'qib_6120_setup_setextled'
drivers/infiniband/hw/qib/qib_iba6120.c:1836: warning: Function parameter or member 'type' not described in 'qib_6120_put_tid'
drivers/infiniband/hw/qib/qib_iba6120.c:1836: warning: Excess function parameter 'tidtype' description in 'qib_6120_put_tid'
drivers/infiniband/hw/qib/qib_iba6120.c:1903: warning: Function parameter or member 'type' not described in 'qib_6120_put_tid_2'
drivers/infiniband/hw/qib/qib_iba6120.c:1903: warning: Excess function parameter 'tidtype' description in 'qib_6120_put_tid_2'
drivers/infiniband/hw/qib/qib_iba6120.c:1944: warning: Function parameter or member 'rcd' not described in 'qib_6120_clear_tids'
drivers/infiniband/hw/qib/qib_iba6120.c:1944: warning: Excess function parameter 'ctxt' description in 'qib_6120_clear_tids'
drivers/infiniband/hw/qib/qib_iba6120.c:2018: warning: Function parameter or member 'kinfo' not described in 'qib_6120_get_base_info'
drivers/infiniband/hw/qib/qib_iba6120.c:2018: warning: Excess function parameter 'kbase' description in 'qib_6120_get_base_info'
drivers/infiniband/hw/qib/qib_iba6120.c:2277: warning: Function parameter or member 'ppd' not described in 'qib_portcntr_6120'
drivers/infiniband/hw/qib/qib_iba6120.c:2277: warning: Function parameter or member 'reg' not described in 'qib_portcntr_6120'
drivers/infiniband/hw/qib/qib_iba6120.c:2277: warning: Excess function parameter 'dd' description in 'qib_portcntr_6120'
drivers/infiniband/hw/qib/qib_iba6120.c:2277: warning: Excess function parameter 'creg' description in 'qib_portcntr_6120'
drivers/infiniband/hw/qib/qib_iba6120.c:2620: warning: Function parameter or member 't' not described in 'qib_get_6120_faststats'
Link: https://lore.kernel.org/r/20210121094519.2044049-30-lee.jones@linaro.org Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
projects / thirdparty / kernel / linux.git / log
