diff options
| author | Michal Kalderon <michal.kalderon@marvell.com> | 2019-10-30 12:44:16 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-11-06 20:08:01 +0300 |
| commit | 97f612509294aadabb8b431782794544df10cd13 (patch) | |
| tree | eab82a6b28b455045a15388257fb983a1f418644 /drivers/infiniband/hw/qedr/qedr.h | |
| parent | 4c6bb02d598003e525e83532280ae895213aab20 (diff) | |
| download | linux-97f612509294aadabb8b431782794544df10cd13.tar.xz | |
RDMA/qedr: Add doorbell overflow recovery support
Use the doorbell recovery mechanism to register rdma related doorbells
that will be restored in case there is a doorbell overflow attention.
Link: https://lore.kernel.org/r/20191030094417.16866-8-michal.kalderon@marvell.com
Signed-off-by: Ariel Elior <ariel.elior@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr/qedr.h')
| -rw-r--r-- | drivers/infiniband/hw/qedr/qedr.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h index 6ef39dccba21..639d521ed319 100644 --- a/drivers/infiniband/hw/qedr/qedr.h +++ b/drivers/infiniband/hw/qedr/qedr.h @@ -235,6 +235,7 @@ struct qedr_ucontext { u64 dpi_phys_addr; u32 dpi_size; u16 dpi; + bool db_rec; }; union db_prod64 { @@ -262,6 +263,11 @@ struct qedr_userq { struct qedr_pbl *pbl_tbl; u64 buf_addr; size_t buf_len; + + /* doorbell recovery */ + void __iomem *db_addr; + struct qedr_user_db_rec *db_rec_data; + struct rdma_user_mmap_entry *db_mmap_entry; }; struct qedr_cq { @@ -482,7 +488,10 @@ struct qedr_mr { struct qedr_user_mmap_entry { struct rdma_user_mmap_entry rdma_entry; struct qedr_dev *dev; - u64 io_address; + union { + u64 io_address; + void *address; + }; size_t length; u16 dpi; u8 mmap_flag; |