Commit Graph

7 Commits

Author SHA1 Message Date
Cheng Xu
35765dccaf RDMA/erdma: Add a workqueue for WRs reflushing
ERDMA driver use a workqueue for asynchronous reflush command posting.
Implement the lifecycle of this workqueue.

Link: https://lore.kernel.org/r/20221116023107.82835-2-chengyou@linux.alibaba.com
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-11-24 14:58:52 -04:00
Cheng Xu
b4d46c57d2 RDMA/erdma: Fix a typo in annotation
A non-ASCII character was wrongly put in a comment, use the ACSII version.

Fixes: bee85e0e31 ("RDMA/erdma: Add main include file")
Link: https://lore.kernel.org/r/20221124114933.77250-1-chengyou@linux.alibaba.com
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-11-24 14:49:18 -04:00
Cheng Xu
71c6925f28 RDMA/erdma: Report atomic capacity when hardware supports atomic feature
Introduce "capacity flags" field at where hardware put all zeros originally
in "query device" response. Using this field, hardware can report atomic
feature if supports.

Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221107021845.44598-3-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-11-07 09:55:04 +02:00
Cheng Xu
9bdb9350f3 RDMA/erdma: Support dynamic mtu
Hardware now support jumbo frame for RDMA. So we introduce a new CMDQ
message to support mtu change notification.

Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220909093822.33868-5-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-09-21 10:31:24 +03:00
Cheng Xu
93aea72cc5 RDMA/erdma: Remove redundant includes
Many of erdma's includes are redundant, because they are already included
indirectly by kernel headers or custom headers. So we remove all the
unnecessary direct-includes. Besides, add linux/pci.h to erdma.h because
it's also used in the file.

Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220909093822.33868-3-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-09-20 14:27:51 +03:00
Cheng Xu
95f911d949 RDMA/erdma: Eliminate unnecessary casting for erdma_post_cmd_wait
erdma_post_cmd_wait does not use the 'u64 *req' input parameter directly.
So it is better to define it to 'void *req', and by this we can eliminate
the casting when calling erdma_post_cmd_wait.

Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220909093822.33868-2-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-09-20 14:27:51 +03:00
Cheng Xu
bee85e0e31 RDMA/erdma: Add main include file
Add ERDMA driver main header file, defining internal used data structures
and operations. The defined data structures includes *cmdq*, which is used
as the communication channel between ERDMA driver and hardware.

Link: https://lore.kernel.org/r/20220727014927.76564-4-chengyou@linux.alibaba.com
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27 15:54:39 -03:00