diff options
| author | Kalesh AP <kalesh-anakkur.purayil@broadcom.com> | 2026-03-02 14:00:33 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2026-03-08 13:20:25 +0300 |
| commit | 1234a9d8aebbf24a46ef5d323bf9074bc911423e (patch) | |
| tree | fad6e1cbe978ca3628f5e963b62b8da058f16ff1 /include/uapi | |
| parent | 13f9a813eee5836e92b83fd41dc09ef8c4aee92d (diff) | |
| download | linux-1234a9d8aebbf24a46ef5d323bf9074bc911423e.tar.xz | |
RDMA/bnxt_re: Support doorbell extensions
Some applications may need multiple doorbells to support parallel
processing of threads that each operate on a group of resources.
The following uapi methods have been implemented in this patch.
- BNXT_RE_METHOD_DBR_ALLOC:
This will allow the appliation to create extra doorbell regions
and use the associated doorbell page index in CREATE_QP and
use the associated DB address while ringing the doorbell.
- BNXT_RE_METHOD_DBR_FREE:
Free the allocated doorbell region.
- BNXT_RE_METHOD_GET_DEFAULT_DBR:
Return the default doorbell page index and doorbell page address
associated with the ucontext.
Link: https://patch.msgid.link/r/20260302110036.36387-4-sriharsha.basavapatna@broadcom.com
Co-developed-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/rdma/bnxt_re-abi.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h index f24edf1c75eb..ef14e24836b1 100644 --- a/include/uapi/rdma/bnxt_re-abi.h +++ b/include/uapi/rdma/bnxt_re-abi.h @@ -163,6 +163,8 @@ enum bnxt_re_objects { BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), BNXT_RE_OBJECT_NOTIFY_DRV, BNXT_RE_OBJECT_GET_TOGGLE_MEM, + BNXT_RE_OBJECT_DBR, + BNXT_RE_OBJECT_DEFAULT_DBR, }; enum bnxt_re_alloc_page_type { @@ -231,4 +233,31 @@ struct bnxt_re_packet_pacing_caps { struct bnxt_re_query_device_ex_resp { struct bnxt_re_packet_pacing_caps packet_pacing_caps; }; + +struct bnxt_re_db_region { + __u32 dpi; + __u32 reserved; + __aligned_u64 umdbr; +}; + +enum bnxt_re_obj_dbr_alloc_attrs { + BNXT_RE_ALLOC_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT), + BNXT_RE_ALLOC_DBR_ATTR, + BNXT_RE_ALLOC_DBR_OFFSET, +}; + +enum bnxt_re_obj_dbr_free_attrs { + BNXT_RE_FREE_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum bnxt_re_obj_default_dbr_attrs { + BNXT_RE_DEFAULT_DBR_ATTR = (1U << UVERBS_ID_NS_SHIFT), +}; + +enum bnxt_re_obj_dpi_methods { + BNXT_RE_METHOD_DBR_ALLOC = (1U << UVERBS_ID_NS_SHIFT), + BNXT_RE_METHOD_DBR_FREE, + BNXT_RE_METHOD_GET_DEFAULT_DBR, +}; + #endif /* __BNXT_RE_UVERBS_ABI_H__*/ |