iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RDMA/qedr: notify user application of supported WIDs

Browse Source 
The number of supported WIDs, if they are supported at all, can be
limited due to resources. Notifying the user space application the
number of available WIDs allows it to utilize them correctly.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Amrani, Ram 2017-06-26 19:05:06 +03:00 committed by Doug Ledford
parent ad84dad216
commit 67cbe3532c
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/qedr/verbs.c
View File

@ -377,6 +377,8 @@ struct ib_ucontext *qedr_alloc_ucontext(struct ib_device *ibdev,
memset(&uresp, 0, sizeof(uresp));
uresp.dpm_enabled = dev->user_dpm_enabled;
uresp.wids_enabled = 1;
uresp.wid_count = oparams.wid_count;
uresp.db_pa = ctx->dpi_phys_addr;
uresp.db_size = ctx->dpi_size;
uresp.max_send_wr = dev->attr.max_sqe;

2
include/uapi/rdma/qedr-abi.h
View File

@ -50,6 +50,8 @@ struct qedr_alloc_ucontext_resp {
__u32 sges_per_srq_wr;
__u32 max_cqes;
__u8 dpm_enabled;
__u8 wids_enabled;
__u16 wid_count;
};
struct qedr_alloc_pd_ureq {