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2021-06-22RDMA/rxe: Fix over copying in get_srq_wqeBob Pearson1-2/+8
Currently get_srq_wqe() in rxe_resp.c copies the maximum possible number of bytes from the wqe into the QPs copy of the SRQ wqe. This is usually extra work and risks reading past the end of the SRQ circular buffer if the SRQ is configured with less than the maximum possible number of SGEs. Check the number of SGEs is not too large. Compute the actual number of bytes in the WR and copy only those. Fixes: 8700e3e7c485 ("Soft RoCE driver") Link: https://lore.kernel.org/r/20210618045742.204195-5-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/rxe: Fix extra copies in build_rdma_network_hdrBob Pearson1-17/+12
build_rdma_network_hdr() in rxe_resp.c does more copying than is needed. Remove this subroutine and eliminate the extra copies for IPV6 and reduce the extra copying for IPV4. Fixes: e404f945a610 ("IB/rxe: improved debug prints & code cleanup") Link: https://lore.kernel.org/r/20210618045742.204195-4-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/rxe: Fix redundant call to ip_send_checkBob Pearson1-2/+0
For IPV4 packets sent on the wire the rxe driver calls ip_local_out() which immediately calls __ip_local_out() which sets iph->tot_len and calls ip_send_check(). This code is duplicated in prepare4(). On the loopback path the IP header checksum and tot_len fields are not used so they do not need to be set. Remove this redundant code. Fixes: 8700e3e7c485 ("Soft RoCE driver") Link: https://lore.kernel.org/r/20210618045742.204195-3-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/rxe: Fix useless copy in send_atomic_ackBob Pearson1-4/+0
In send_atomic_ack() in rxe_resp.c there is code copying ack_pkt into the skb->cb[]. This doesn't do anything useful because the cb[] is not used in the transmit path by the rxe driver. Remove this code. Fixes: 4c93496f18ce ("IB/rxe: do not copy extra stack memory to skb") Link: https://lore.kernel.org/r/20210618045742.204195-2-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/hns: Add vendor_err info to error WCLang Cheng1-0/+1
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>
2021-06-22RDMA/irdma: Check return value from ib_umem_find_best_pgszShiraz Saleem1-1/+7
iwmr->page_size stores the return from ib_umem_find_best_pgsz and maybe zero when used in ib_umem_num_dma_blocks thus causing a divide by zero error. Fix this by erroring out of irdma_reg_user when 0 is returned from ib_umem_find_best_pgsz. Link: https://lore.kernel.org/r/20210622175232.439-3-tatyana.e.nikolova@intel.com Reported-by: coverity-bot <keescook+coverity-bot@chromium.org> Addresses-Coverity-ID: 1505149 ("Integer handling issues") Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/hns: Fix spelling mistakes of originalLang Cheng1-1/+1
'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>
2021-06-22RDMA/hns: Simplify the judgment in hns_roce_v2_post_send()Yixing Liu1-3/+3
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>
2021-06-22RDMA/hns: Encapsulate flushing CQE as a functionWenpeng Liang3-35/+21
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>
2021-06-22RDMA/hns: Modify function return value typeYangyang Li3-11/+3
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>
2021-06-22RDMA/hns: Clean definitions of EQC structureXi Wang1-15/+4
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>
2021-06-22RDMA/hns: Delete unnecessary branch of hns_roce_v2_query_qpYangyang Li1-7/+2
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>
2021-06-22RDMA/hns: Add member assignments for qp_init_attrYangyang Li1-0/+5
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>
2021-06-22RDMA/hns: Fix some print issuesYixing Liu2-4/+2
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>
2021-06-22RDMA/hns: Fix uninitialized variableYixing Liu1-1/+1
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>
2021-06-22RDMA/hns: Force rewrite inline flag of WQELang Cheng1-2/+2
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>
2021-06-22RDMA/mlx5: Support real-time timestamp directly from the deviceAharon Landau5-6/+45
Currently, if the user asks for a real-time timestamp, the device will return a free-running one, and the timestamp will be translated to real-time in the user-space. When the device supports only real-time timestamp and not free-running, the creation of the QP will fail even though the user needs supported the real-time one. To prevent this, we will return the real-time timestamp directly from the device. Link: https://lore.kernel.org/r/c6cfc8e6f038575c5c2de6505830f7e74e4de80d.1623829775.git.leonro@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/core: Use flexible array for mad dataKees Cook1-1/+1
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally reading across neighboring array fields. Without a flexible array, this looks like an attempt to perform a memcpy() read beyond the end of the packet->mad.data array: drivers/infiniband/core/user_mad.c: memcpy(packet->msg->mad, packet->mad.data, IB_MGMT_MAD_HDR); Switch from [0] to [] to use the appropriately handled type for trailing bytes. Link: https://lore.kernel.org/r/20210616202615.1247242-1-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22RDMA/mlx5: Refactor get_ts_format functions to simplify codeAharon Landau5-87/+55
QPC, SQC and RQC timestamp formats and capabilities are always equal because they represent general hardware support. So instead of code duplication, let's merge them into general enum and logic. Signed-off-by: Aharon Landau <aharonl@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2021-06-21RDMA/rxe: Don't overwrite errno from ib_umem_get()Xiao Yang1-1/+1
rxe_mr_init_user() always returns the fixed -EINVAL when ib_umem_get() fails so it's hard for user to know which actual error happens in ib_umem_get(). For example, ib_umem_get() will return -EOPNOTSUPP when trying to pin pages on a DAX file. Return actual error as mlx4/mlx5 does. Link: https://lore.kernel.org/r/20210621071456.4259-1-ice_yangxiao@163.com Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21IB/mlx4: Avoid field-overflowing memcpy()Kees Cook1-1/+1
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring array fields. Use the ether_addr_copy() helper instead, as already done for smac. Link: https://lore.kernel.org/r/20210616203744.1248551-1-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21rnbd/rtrs-clt: Query and use max_segments from rtrs-clt.Jack Wang4-17/+13
With fast memory registration on write request, rnbd-clt can do bigger IO without split. rnbd-clt now can query rtrs-clt to get the max_segments, instead of using BMAX_SEGMENTS. BMAX_SEGMENTS is not longer needed, so remove it. Link: https://lore.kernel.org/r/20210621055340.11789-6-jinpu.wang@ionos.com Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA/rtrs-clt: Raise MAX_SEGMENTSJack Wang1-2/+4
As we can do fast memory registration on write, we can increase the max_segments, default to 512K. Link: https://lore.kernel.org/r/20210621055340.11789-5-jinpu.wang@ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA/rtrs_clt: Alloc less memory with write path fast memory registrationJack Wang1-3/+2
With write path fast memory registration, we need less memory for each request. With fast memory registration, we can reduce max_send_sge to save memory usage. Also convert the kmalloc_array to kcalloc. Link: https://lore.kernel.org/r/20210621055340.11789-4-jinpu.wang@ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA/rtrs-clt: Write path fast memory registrationJack Wang2-27/+74
With fast memory registration in write path, we can reduce the memory consumption by using less max_send_sge, support IO bigger than 116 KB (29 segments * 4 KB) without splitting, and it also make the IO path more symmetric. To avoid some times MR reg failed, waiting for the invalidation to finish before the new mr reg. Introduce a refcount, only finish the request when both local invalidation and io reply are there. Link: https://lore.kernel.org/r/20210621055340.11789-3-jinpu.wang@ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Signed-off-by: Dima Stepanov <dmitrii.stepanov@ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA/rtrs: Introduce head/tail wrJack Wang3-20/+27
Introduce tail wr, we can send as the last wr, we want to send the local invalidate wr after rdma wr in later patch. While at it, also fix coding style issue. Link: https://lore.kernel.org/r/20210621055340.11789-2-jinpu.wang@ionos.com Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA/bnxt_re: Update ABI to pass wqe-mode to user spaceDevesh Sharma4-7/+15
Changing ucontext ABI response structure to pass wqe_mode to user library. A flag in comp_mask has been set to indicate presence of wqe_mode. Moved wqe-mode ABI to uapi/rdma/bnxt_re-abi.h Link: https://lore.kernel.org/r/20210616202817.1185276-1-devesh.sharma@broadcom.com Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21IB/core: Shuffle locks in ib_port_data to save memoryAnand Khoje1-1/+3
pahole shows two 4-byte holes in struct ib_port_data after pkey_list_lock and netdev_lock respectively. Shuffling the netdev_lock to be after pkey_list_lock, this shaves off eight bytes from the struct. Link: https://lore.kernel.org/r/20210616154509.1047-3-anand.a.khoje@oracle.com Suggested-by: Haakon Bugge <haakon.bugge@oracle.com> Signed-off-by: Anand Khoje <anand.a.khoje@oracle.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21IB/core: Removed port validity check from ib_get_cached_subnet_prefixAnand Khoje4-21/+6
Removed port validity check from ib_get_cached_subnet_prefix() as this check is not needed because "port_num" is valid. Link: https://lore.kernel.org/r/20210616154509.1047-2-anand.a.khoje@oracle.com Suggested-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Anand Khoje <anand.a.khoje@oracle.com> Signed-off-by: Haakon Bugge <haakon.bugge@oracle.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-21RDMA: Fix kernel-doc warnings about wrong commentLeon Romanovsky16-28/+31
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>
2021-06-21RDMA/hns: Use IDA interface to manage xrcd indexYangyang Li4-41/+25
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>
2021-06-21RDMA/hns: Use IDA interface to manage pd indexYangyang Li4-37/+25
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>
2021-06-21RDMA/hns: Use IDA interface to manage mtpt indexYangyang Li5-48/+43
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>
2021-06-21RDMA/hns: Remove unused RR mechanismYangyang Li6-19/+12
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>
2021-06-21RDMA/hns: Remove the unused hns_roce_bitmap_free_range functionYangyang Li2-14/+1
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>
2021-06-21RDMA/hns: Remove the unused hns_roce_bitmap_alloc_range functionYangyang Li2-41/+0
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>
2021-06-21RDMA/core: Fix incorrect print format specifierWenpeng Liang15-45/+45
There are some '%u' for 'int' and '%d' for 'unsigend int', they should be fixed. Link: https://lore.kernel.org/r/1623325232-30900-1-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>
2021-06-21RDMA/hns: Clean SRQC structure definitionXi Wang2-93/+4
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>
2021-06-21RDMA/hns: Use new interface to write DB related fieldsYixing Liu2-78/+49
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>
2021-06-21RDMA/hns: Use new interface to write FRMR fieldsYixing Liu2-29/+22
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>
2021-06-21RDMA/hns: Use new interface to get CQE fieldsLang Cheng2-97/+48
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>
2021-06-21RDMA/hns: Use new interface to modify QP contextLang Cheng2-881/+449
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>
2021-06-21RDMA/hns: Use new interface to write CQ context.Yixing Liu2-121/+79
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>
2021-06-21RDMA/hns: Add hr_reg_write_bool()Lang Cheng2-12/+20
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>
2021-06-21RDMA/hns: Add a check to ensure integer mtu is positiveWeihang Li1-5/+10
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>
2021-06-21RDMA/hns: Do not use !! for values that are already bool when calling hr_reg_write()Weihang Li1-2/+1
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>
2021-06-21RDMA/mlx5: Enable Relaxed Ordering by default for kernel ULPsAvihai Horon3-5/+18
Relaxed Ordering is a capability that can only benefit users that support it. All kernel ULPs should support Relaxed Ordering, as they are designed to read data only after observing the CQE and use the DMA API correctly. Hence, implicitly enable Relaxed Ordering by default for MR transfers in kernel ULPs. Link: https://lore.kernel.org/r/b7e820aab7402b8efa63605f4ea465831b3b1e5e.1623236426.git.leonro@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>
2021-06-20Linux 5.13-rc7Linus Torvalds1-2/+2
2021-06-19tools headers UAPI: Sync linux/in.h copy with the kernel sourcesArnaldo Carvalho de Melo1-0/+3
To pick the changes in: 321827477360934d ("icmp: don't send out ICMP messages with a source address of 0.0.0.0") That don't result in any change in tooling, as INADDR_ are not used to generate id->string tables used by 'perf trace'. This addresses this build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h' diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h Cc: David S. Miller <davem@davemloft.net> Cc: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-06-19tools headers UAPI: Sync asm-generic/unistd.h with the kernel originalArnaldo Carvalho de Melo1-2/+1
To pick the changes in: 8b1462b67f23da54 ("quota: finish disable quotactl_path syscall") Those headers are used in some arches to generate the syscall table used in 'perf trace' to translate syscall numbers into strings. This addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h' diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h Cc: Jan Kara <jack@suse.cz> Cc: Marcin Juszkiewicz <marcin@juszkiewicz.com.pl> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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