809 Commits

Author SHA1 Message Date
Yangyang Li
c4f11b36f8 RDMA/hns: Use IDA interface to manage srq index
Switch srq index allocation and release from hns' own bitmap interface to
IDA interface.

Link: https://lore.kernel.org/r/1629336980-17499-3-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-24 09:15:16 -03:00
Yangyang Li
8feafd9017 RDMA/hns: Use IDA interface to manage uar index
Switch uar index allocation and release from hns' own bitmap interface to
IDA interface.

Link: https://lore.kernel.org/r/1629336980-17499-2-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-24 09:15:16 -03:00
Lang Cheng
f8c549afd1 RDMA/hns: Ownerbit mode add control field
The ownerbit mode is for external card mode. Make it controlled by the
firmware.

Fixes: aba457ca890c ("RDMA/hns: Support owner mode doorbell")
Link: https://lore.kernel.org/r/1629539607-33217-4-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-23 13:45:12 -03:00
Yixing Liu
260f64a401 RDMA/hns: Enable stash feature of HIP09
The stash feature is enabled by default on HIP09.

Fixes: f93c39bc9547 ("RDMA/hns: Add support for QP stash")
Fixes: bfefae9f108d ("RDMA/hns: Add support for CQ stash")
Link: https://lore.kernel.org/r/1629539607-33217-3-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-23 13:45:12 -03:00
Lang Cheng
0110a1ed0e RDMA/hns: Remove unsupport cmdq mode
CMDQ support un-interrupt mode only, and firmware ignores this mode flag,
so remove it.

Fixes: a04ff739f2a9 ("RDMA/hns: Add command queue support for hip08 RoCE driver")
Link: https://lore.kernel.org/r/1629539607-33217-2-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-23 13:45:11 -03:00
YueHaibing
c4c7d7a432 RDMA/hns: Fix return in hns_roce_rereg_user_mr()
If re-registering an MR in hns_roce_rereg_user_mr(), we should return NULL
instead of passing 0 to ERR_PTR for clarity.

Fixes: 4e9fc1dae2a9 ("RDMA/hns: Optimize the MR registration process")
Link: https://lore.kernel.org/r/20210804125939.20516-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-19 11:12:04 -03:00
Leon Romanovsky
514aee660d RDMA: Globally allocate and release QP memory
Convert QP object to follow IB/core general allocation scheme.  That
change allows us to make sure that restrack properly kref the memory.

Link: https://lore.kernel.org/r/48e767124758aeecc433360ddd85eaa6325b34d9.1627040189.git.leonro@nvidia.com
Reviewed-by: Gal Pressman <galpress@amazon.com> #efa
Tested-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> #rdma and core
Tested-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Tested-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-03 13:44:27 -03:00
Leon Romanovsky
e66e49592b RDMA/hns: Don't overwrite supplied QP attributes
QP attributes that were supplied by IB/core already have all parameters
set when they are passed to the driver. The drivers are not supposed to
change anything in struct ib_qp_init_attr.

Fixes: 66d86e529dd5 ("RDMA/hns: Add UD support for HIP09")
Link: https://lore.kernel.org/r/5987138875e8ade9aa339d4db6e1bd9694ed4591.1627040189.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-03 13:44:26 -03:00
Leon Romanovsky
4ffd3b800e RDMA/hns: Don't skip IB creation flow for regular RC QP
The call to internal QP creation function skips QP creation checks and
misses the addition of such device QPs to the restrack DB.

As a preparation to general allocation scheme, convert hns to use proper
API.

Link: https://lore.kernel.org/r/7b236c15f7d5abb368958297ac6962d8459cb824.1627040189.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-03 13:44:26 -03:00
Yixing Liu
7ae61c5f16 RDMA/hns: Add window selection field of congestion control
The window selection field is necessary for congestion control of HIP09,
it is got from firmware and then filled into QPC. Some algorithms need it
to decide whether to limit the number of windows.

Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW")
Link: https://lore.kernel.org/r/1624364163-44185-1-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-24 15:14:06 -03:00
Weihang Li
e7c07d5e07 RDMA/hns: Fix incorrect vlan enable bit in QPC
The QPC_RQ/SQ_VLAN_EN bit in QPC should be enabled, not the QPC mask.

Fixes: f0cb411aad23 ("RDMA/hns: Use new interface to modify QP context")
Link: https://lore.kernel.org/r/1624438201-11915-1-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-23 14:37:53 -03:00
Lang Cheng
d5d182ea5a RDMA/hns: Add vendor_err info to error WC
ULP can get more error information of CQ through verbs instead of prints.

Link: https://lore.kernel.org/r/1624362836-11631-1-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:28:53 -03:00
Lang Cheng
f176199dc7 RDMA/hns: Fix spelling mistakes of original
'orignal' should be 'original'.

Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/1624011020-16992-11-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:08 -03:00
Yixing Liu
cf7d00bff4 RDMA/hns: Simplify the judgment in hns_roce_v2_post_send()
The QP type has been checked in check_send_valid(), if it's not RC, it
will process the UD/GSI branch.

Link: https://lore.kernel.org/r/1624011020-16992-10-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:08 -03:00
Wenpeng Liang
c462a0242b RDMA/hns: Encapsulate flushing CQE as a function
The process of flushing CQE can be encapsultated into a function, which
can reduce duplicate code.

Link: https://lore.kernel.org/r/1624011020-16992-9-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:07 -03:00
Yangyang Li
a33958ca52 RDMA/hns: Modify function return value type
hns_roce_init_qp_table() will only return 0, because this function does
not need to return a value, so it is modified to void type.

Link: https://lore.kernel.org/r/1624011020-16992-8-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:07 -03:00
Xi Wang
c2614b9933 RDMA/hns: Clean definitions of EQC structure
Remove unused members in EQ context structure.

Fixes: 782832f25404 ("RDMA/hns: Simplify the function config_eqc()")
Link: https://lore.kernel.org/r/1624011020-16992-7-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:07 -03:00
Yangyang Li
58bc7acaf3 RDMA/hns: Delete unnecessary branch of hns_roce_v2_query_qp
When query_qp is called by userspace, max_send_wr and max_send_sge are set
to 0 by the kernel driver. However, the userspace does not use these two
return values from the kernel driver, but uses its own calculated values.
So there is no need for special treatment.

Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1624011020-16992-6-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:06 -03:00
Yangyang Li
cc925ece79 RDMA/hns: Add member assignments for qp_init_attr
Some kernel ULPs need to use the return value of qp_init_attr, so add
member assignments for qp_init_attr.

Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1624011020-16992-5-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:06 -03:00
Yixing Liu
125073e76b RDMA/hns: Fix some print issues
Remove redundant print and fix a character type mismatch.

Fixes: 0e0ab04b5bbe ("RDMA/hns: Refactor the MTR creation flow")
Link: https://lore.kernel.org/r/1624011020-16992-4-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:06 -03:00
Yixing Liu
2a38c0f10e RDMA/hns: Fix uninitialized variable
A random value will be returned if the condition below is not met, so it
needs to be initialized.

Fixes: 9ea9a53ea93b ("RDMA/hns: Add mapped page count checking for MTR")
Link: https://lore.kernel.org/r/1624011020-16992-3-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:06 -03:00
Lang Cheng
e13026578b RDMA/hns: Force rewrite inline flag of WQE
When a non-inline WR reuses a WQE that was used for inline last time, the
remaining inline flag should be cleared.

Fixes: 62490fd5a865 ("RDMA/hns: Avoid unnecessary memset on WQEs in post_send")
Link: https://lore.kernel.org/r/1624011020-16992-2-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 15:17:06 -03:00
Leon Romanovsky
bf194997c7 RDMA: Fix kernel-doc warnings about wrong comment
Compilation with W=1 produces warnings similar to the below.

  drivers/infiniband/ulp/ipoib/ipoib_main.c:320: warning: This comment
	starts with '/**', but isn't a kernel-doc comment. Refer
	Documentation/doc-guide/kernel-doc.rst

All such occurrences were found with the following one line
 git grep -A 1 "\/\*\*" drivers/infiniband/

Link: https://lore.kernel.org/r/e57d5f4ddd08b7a19934635b44d6d632841b9ba7.1623823612.git.leonro@nvidia.com
Reviewed-by: Jack Wang <jinpu.wang@ionos.com> #rtrs
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 20:32:50 -03:00
Yangyang Li
da43b7bebc RDMA/hns: Use IDA interface to manage xrcd index
Switch xrcd index allocation and release from hns own bitmap interface
to IDA interface.

Link: https://lore.kernel.org/r/1623325814-55737-7-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:54 -03:00
Yangyang Li
645f059346 RDMA/hns: Use IDA interface to manage pd index
Switch pd index allocation and release from hns own bitmap interface
to IDA interface.

Link: https://lore.kernel.org/r/1623325814-55737-6-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:54 -03:00
Yangyang Li
d38936f010 RDMA/hns: Use IDA interface to manage mtpt index
Switch mtpt index allocation and release from hns own bitmap interface
to IDA interface.

Link: https://lore.kernel.org/r/1623325814-55737-5-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:53 -03:00
Yangyang Li
38e375b771 RDMA/hns: Remove unused RR mechanism
Round-robin (RR) is no longer used in the allocation of the bitmap table,
and all the function input parameters that use this mechanism are
BITMAP_NO_RR. The code that defines and uses the RR needs to be deleted.

Link: https://lore.kernel.org/r/1623325814-55737-4-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:53 -03:00
Yangyang Li
1bc530c79d RDMA/hns: Remove the unused hns_roce_bitmap_free_range function
hns_roce_bitmap_free_range() is only called inside hns_roce_bitmap_free(),
and the input parameter "cnt" is set to a constant 1. In addition, the
driver does not use alloc_range scenarios, so free_range does not need to
exist.

Link: https://lore.kernel.org/r/1623325814-55737-3-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:53 -03:00
Yangyang Li
24977edbb5 RDMA/hns: Remove the unused hns_roce_bitmap_alloc_range function
The function is no longer used.

Link: https://lore.kernel.org/r/1623325814-55737-2-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:42:53 -03:00
Xi Wang
57dba89ad2 RDMA/hns: Clean SRQC structure definition
Remove unused members in srq context structure.

Link: https://lore.kernel.org/r/1624262443-24528-10-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:42 -03:00
Yixing Liu
2b035e7312 RDMA/hns: Use new interface to write DB related fields
Use hr_write_reg() instead of roce_set_field().

Link: https://lore.kernel.org/r/1624262443-24528-9-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:42 -03:00
Yixing Liu
fd9e3679af RDMA/hns: Use new interface to write FRMR fields
Use "hr_reg_write" to replace "roce_set_filed".

Link: https://lore.kernel.org/r/1624262443-24528-8-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:42 -03:00
Lang Cheng
f778bf1b8c RDMA/hns: Use new interface to get CQE fields
WQE_INDEX and OPCODE and QPN of CQE use redundant masks. Just remove them.

Link: https://lore.kernel.org/r/1624262443-24528-7-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:41 -03:00
Lang Cheng
f0cb411aad RDMA/hns: Use new interface to modify QP context
Fill all QPC fileds with hr_reg_*() instead of roce_set_*(). SQPN is used
for HIP08 ES only, it should be removed.

Link: https://lore.kernel.org/r/1624262443-24528-6-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:41 -03:00
Yixing Liu
f6fcd28d49 RDMA/hns: Use new interface to write CQ context.
Use hr_reg_*() to write CQ context, it's simpler than roce_set_*().

Link: https://lore.kernel.org/r/1624262443-24528-5-git-send-email-liweihang@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:41 -03:00
Lang Cheng
a762fe656b RDMA/hns: Add hr_reg_write_bool()
In order to avoid to do bitwise operations on a boolean value, add a new
register interface to avoid sparse comlaint about "dubious: x & !y" when
calling hr_reg_write(ctx, field, !!val).

Fixes: dc504774408b ("RDMA/hns: Use new interface to set MPT related fields")
Fixes: 495c24808ce7 ("RDMA/hns: Add XRC subtype in QPC and XRC type in SRQC")
Link: https://lore.kernel.org/r/1624262443-24528-4-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:41 -03:00
Weihang Li
fe331da0f2 RDMA/hns: Add a check to ensure integer mtu is positive
GCC may reports an running time assert error when a value calculated from
ib_mtu_enum_to_int() is using as 'val' in FIELD_PREDP:

include/linux/compiler_types.h:328:38: error: call to
'__compiletime_assert_1524' declared with attribute error: FIELD_PREP:
value too large for the field

So a check is added about whether integer mtu from ib_mtu_enum_to_int() is
negative to avoid this warning.

Link: https://lore.kernel.org/r/1624262443-24528-3-git-send-email-liweihang@huawei.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:41 -03:00
Weihang Li
78c1da5270 RDMA/hns: Do not use !! for values that are already bool when calling hr_reg_write()
There is no need to use "!!" before "eq->eqe_size ==
HNS_ROCE_V3_EQE_SIZE", or sparse will complain about "dubious: x & !y".

Fixes: 782832f25404 ("RDMA/hns: Simplify the function config_eqc()")
Link: https://lore.kernel.org/r/1624262443-24528-2-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21 15:03:40 -03:00
Xi Wang
7e78dd816e RDMA/hns: Clear extended doorbell info before using
Both of HIP08 and HIP09 require the extended doorbell information to be
cleared before being used.

Fixes: 6b63597d3540 ("RDMA/hns: Add TSQ link table support")
Link: https://lore.kernel.org/r/1623392089-35639-1-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-18 13:54:25 -03:00
Xi Wang
61b460d100 RDMA/hns: Support getting max QP number from firmware
All functions of HIP09's ROCEE share on-chip resources for all QPs, the
driver needs configure the resource index and number for each function
during the init stage.

Link: https://lore.kernel.org/r/1622541427-42193-1-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-16 15:26:22 -03:00
Weihang Li
8f9513d89f RDMA/hns: Use refcount_t instead of atomic_t for QP reference counting
The refcount_t API will WARN on underflow and overflow of a reference
counter, and avoid use-after-free risks.

Link: https://lore.kernel.org/r/1622194663-2383-11-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-08 14:58:51 -03:00
Weihang Li
33649cd3f9 RDMA/hns: Use refcount_t instead of atomic_t for SRQ reference counting
The refcount_t API will WARN on underflow and overflow of a reference
counter, and avoid use-after-free risks.

Link: https://lore.kernel.org/r/1622194663-2383-10-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-08 14:58:30 -03:00
Weihang Li
cc9e5a844a RDMA/hns: Use refcount_t instead of atomic_t for CQ reference counting
The refcount_t API will WARN on underflow and overflow of a reference
counter, and avoid use-after-free risks.

Link: https://lore.kernel.org/r/1622194663-2383-9-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-08 14:56:11 -03:00
Xi Wang
3f0d979efb RDMA/hns: Refactor capability configuration flow of VF
The capbability configurations of PFs and VFs are coupled. Decoupling them
by abstracting some functions and reorganizing the configuration process.

Link: https://lore.kernel.org/r/1621860428-58009-1-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:25:37 -03:00
Xi Wang
68e11a6086 RDMA/hns: Clean the hardware related code for HEM
Move the HIP06 related code to the hw v1 source file for HEM.

Link: https://lore.kernel.org/r/1621589395-2435-6-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:13:58 -03:00
Weihang Li
82eb481da6 RDMA/hns: Use refcount_t APIs for HEM
refcount_t is better than integer for reference counting, it will WARN on
overflow/underflow and avoid use-after-free risks.

Link: https://lore.kernel.org/r/1621589395-2435-5-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:13:58 -03:00
Xi Wang
5e6370d7cc RDMA/hns: Fix wrong timer context buffer page size
The HEM page size for QPC timer and CQC timer is always 4K and there's no
need to calculate a different size by the hns driver, otherwise the ROCEE
may access an invalid address.

Fixes: 719d13415f59 ("RDMA/hns: Remove duplicated hem page size config code")
Link: https://lore.kernel.org/r/1621589395-2435-4-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:13:57 -03:00
Xi Wang
1f704d8cc0 RDMA/hns: Refactor root BT allocation for MTR
Split the hem_list_alloc_root_bt() into serval small functions to make the
code flow more clear.

Link: https://lore.kernel.org/r/1621589395-2435-3-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:13:57 -03:00
Xi Wang
7b0006db68 RDMA/hns: Optimize the base address table config for MTR
The base address table is allocated by dma allocator, and the size is
always aligned to PAGE_SIZE. If a fixed size is used to allocate the
table, the number of base address entries stored in the table will be
smaller than that can actually stored.

Link: https://lore.kernel.org/r/1621589395-2435-2-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-28 20:13:57 -03:00
Lang Cheng
331859d320 RDMA/hns: Remove unused CMDQ member
The hcr_mutex was used to serialize mailbox post. Now that mailbox
supports concurrency, this variable is no longer useful.

Fixes: a389d016c030 ("RDMA/hns: Enable all CMDQ context")
Link: https://lore.kernel.org/r/1621482876-35780-4-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-20 12:39:29 -03:00