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RDMA/mana_ib: create and destroy RNIC cqs

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Implement RNIC requests for creation and destruction of RNIC CQs.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1714137160-5222-3-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Konstantin Taranov 2024-04-26 06:12:37 -07:00 committed by Leon Romanovsky
parent e73c882f0a
commit 5843415916
2 changed files with 86 additions and 0 deletions
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54
drivers/infiniband/hw/mana/main.c
View File

@ -834,3 +834,57 @@ int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8
return 0;
}
int mana_ib_gd_create_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq, u32 doorbell)
{
struct gdma_context *gc = mdev_to_gc(mdev);
struct mana_rnic_create_cq_resp resp = {};
struct mana_rnic_create_cq_req req = {};
int err;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_CQ, sizeof(req), sizeof(resp));
req.hdr.dev_id = gc->mana_ib.dev_id;
req.adapter = mdev->adapter_handle;
req.gdma_region = cq->queue.gdma_region;
req.eq_id = mdev->eqs[cq->comp_vector]->id;
req.doorbell_page = doorbell;
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create cq err %d", err);
return err;
}
cq->queue.id = resp.cq_id;
cq->cq_handle = resp.cq_handle;
/* The GDMA region is now owned by the CQ handle */
cq->queue.gdma_region = GDMA_INVALID_DMA_REGION;
return 0;
}
int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq)
{
struct gdma_context *gc = mdev_to_gc(mdev);
struct mana_rnic_destroy_cq_resp resp = {};
struct mana_rnic_destroy_cq_req req = {};
int err;
if (cq->cq_handle == INVALID_MANA_HANDLE)
return 0;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_CQ, sizeof(req), sizeof(resp));
req.hdr.dev_id = gc->mana_ib.dev_id;
req.adapter = mdev->adapter_handle;
req.cq_handle = cq->cq_handle;
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to destroy cq err %d", err);
return err;
}
return 0;
}

32
drivers/infiniband/hw/mana/mana_ib.h
View File

@ -92,6 +92,7 @@ struct mana_ib_cq {
struct mana_ib_queue queue;
int cqe;
u32 comp_vector;
mana_handle_t cq_handle;
};
struct mana_ib_qp {
@ -119,6 +120,8 @@ enum mana_ib_command_code {
MANA_IB_DESTROY_ADAPTER = 0x30003,
MANA_IB_CONFIG_IP_ADDR = 0x30004,
MANA_IB_CONFIG_MAC_ADDR = 0x30005,
MANA_IB_CREATE_CQ = 0x30008,
MANA_IB_DESTROY_CQ = 0x30009,
};
struct mana_ib_query_adapter_caps_req {
@ -202,6 +205,31 @@ struct mana_rnic_config_mac_addr_resp {
struct gdma_resp_hdr hdr;
}; /* HW Data */
struct mana_rnic_create_cq_req {
struct gdma_req_hdr hdr;
mana_handle_t adapter;
u64 gdma_region;
u32 eq_id;
u32 doorbell_page;
}; /* HW Data */
struct mana_rnic_create_cq_resp {
struct gdma_resp_hdr hdr;
mana_handle_t cq_handle;
u32 cq_id;
u32 reserved;
}; /* HW Data */
struct mana_rnic_destroy_cq_req {
struct gdma_req_hdr hdr;
mana_handle_t adapter;
mana_handle_t cq_handle;
}; /* HW Data */
struct mana_rnic_destroy_cq_resp {
struct gdma_resp_hdr hdr;
}; /* HW Data */
static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
{
return mdev->gdma_dev->gdma_context;
@ -321,4 +349,8 @@ int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context);
int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context);
int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8 *mac);
int mana_ib_gd_create_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq, u32 doorbell);
int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
#endif