diff options
| author | Abhijit Gangurde <abhijit.gangurde@amd.com> | 2025-09-03 11:46:03 +0530 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-09-11 02:18:36 -0400 |
| commit | b83c62055b6faabb444b2f8f3355420927cc39fd (patch) | |
| tree | 75a8ec109ccc157e4311e3016afd7e79899b5611 /drivers/infiniband/hw/ionic/ionic_pgtbl.c | |
| parent | e8521822c733c6deab0f339843cd37cd62c12795 (diff) | |
RDMA/ionic: Register device ops for datapath
Implement device supported verb APIs for datapath.
Co-developed-by: Andrew Boyer <andrew.boyer@amd.com>
Signed-off-by: Andrew Boyer <andrew.boyer@amd.com>
Co-developed-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://patch.msgid.link/20250903061606.4139957-12-abhijit.gangurde@amd.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/ionic/ionic_pgtbl.c')
| -rw-r--r-- | drivers/infiniband/hw/ionic/ionic_pgtbl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ionic/ionic_pgtbl.c b/drivers/infiniband/hw/ionic/ionic_pgtbl.c index a8eb73be6f86..e74db73c9246 100644 --- a/drivers/infiniband/hw/ionic/ionic_pgtbl.c +++ b/drivers/infiniband/hw/ionic/ionic_pgtbl.c @@ -26,6 +26,17 @@ __le64 ionic_pgtbl_dma(struct ionic_tbl_buf *buf, u64 va) return cpu_to_le64(dma + (va & pg_mask)); } +__be64 ionic_pgtbl_off(struct ionic_tbl_buf *buf, u64 va) +{ + if (buf->tbl_pages > 1) { + u64 pg_mask = BIT_ULL(buf->page_size_log2) - 1; + + return cpu_to_be64(va & pg_mask); + } + + return 0; +} + int ionic_pgtbl_page(struct ionic_tbl_buf *buf, u64 dma) { if (unlikely(buf->tbl_pages == buf->tbl_limit)) |