diff options
| author | Michael Margolin <mrgolin@amazon.com> | 2022-08-18 17:04:49 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leonro@nvidia.com> | 2022-08-21 12:35:59 +0300 |
| commit | dc13fbf79ec8f983fc398cd200ed12973f390957 (patch) | |
| tree | c3eb939641374caafc6d0b647a4f62fbace1956a /drivers/infiniband/hw/efa/efa_verbs.c | |
| parent | b722d3e63fcc95674bd4dd92bbbfb3bd9de12380 (diff) | |
RDMA/efa: Support CQ receive entries with source GID
Add a parameter for create CQ admin command to set source address on
receive completion descriptors. Report capability for this feature
through query device verb.
Link: https://lore.kernel.org/r/20220818140449.414-1-mrgolin@amazon.com
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_verbs.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index ecfe70eb5efb..31454643f8c5 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* - * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All rights reserved. */ #include <linux/dma-buf.h> @@ -15,6 +15,7 @@ #include <rdma/uverbs_ioctl.h> #include "efa.h" +#include "efa_io_defs.h" enum { EFA_MMAP_DMA_PAGE = 0, @@ -242,6 +243,7 @@ int efa_query_device(struct ib_device *ibdev, resp.max_rq_wr = dev_attr->max_rq_depth; resp.max_rdma_size = dev_attr->max_rdma_size; + resp.device_caps |= EFA_QUERY_DEVICE_CAPS_CQ_WITH_SGID; if (EFA_DEV_CAP(dev, RDMA_READ)) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_RDMA_READ; @@ -1064,6 +1066,7 @@ int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, struct efa_ibv_create_cq cmd = {}; struct efa_cq *cq = to_ecq(ibcq); int entries = attr->cqe; + bool set_src_addr; int err; ibdev_dbg(ibdev, "create_cq entries %d\n", entries); @@ -1109,7 +1112,10 @@ int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, goto err_out; } - if (!cmd.cq_entry_size) { + set_src_addr = !!(cmd.flags & EFA_CREATE_CQ_WITH_SGID); + if ((cmd.cq_entry_size != sizeof(struct efa_io_rx_cdesc_ex)) && + (set_src_addr || + cmd.cq_entry_size != sizeof(struct efa_io_rx_cdesc))) { ibdev_dbg(ibdev, "Invalid entry size [%u]\n", cmd.cq_entry_size); err = -EINVAL; @@ -1138,6 +1144,7 @@ int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, params.dma_addr = cq->dma_addr; params.entry_size_in_bytes = cmd.cq_entry_size; params.num_sub_cqs = cmd.num_sub_cqs; + params.set_src_addr = set_src_addr; if (cmd.flags & EFA_CREATE_CQ_WITH_COMPLETION_CHANNEL) { cq->eq = efa_vec2eq(dev, attr->comp_vector); params.eqn = cq->eq->eeq.eqn; |