[PATCH rdma-next v4 2/4] RDMA/mana_ib: Use struct mana_ib_queue for CQs

Konstantin Taranov
2024-04-08T09:14:21Z

Use struct mana_ib_queue and its helpers for CQs

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
---
drivers/infiniband/hw/mana/cq.c | 52 ++++++----------------------
drivers/infiniband/hw/mana/mana_ib.h | 4 +--
drivers/infiniband/hw/mana/qp.c | 30 ++++++----------
3 files changed, 22 insertions(+), 64 deletions(-)

diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c
index 4a71e678d..c9129218f 100644
--- a/drivers/infiniband/hw/mana/cq.c
+++ b/drivers/infiniband/hw/mana/cq.c
@@ -39,37 +39,13 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
}

cq->cqe = attr->cqe;
- cq->umem = ib_umem_get(ibdev, ucmd.buf_addr, cq->cqe * COMP_ENTRY_SIZE,
- IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(cq->umem)) {
- err = PTR_ERR(cq->umem);
- ibdev_dbg(ibdev, "Failed to get umem for create cq, err %d\n",
- err);
- return err;
- }
-
- err = mana_ib_create_zero_offset_dma_region(mdev, cq->umem, &cq->gdma_region);
+ err = mana_ib_create_queue(mdev, ucmd.buf_addr, cq->cqe * COMP_ENTRY_SIZE, &cq->queue);
if (err) {
- ibdev_dbg(ibdev,
- "Failed to create dma region for create cq, %d\n",
- err);
- goto err_release_umem;
+ ibdev_dbg(ibdev, "Failed to create queue for create cq, %d\n", err);
+ return err;
}

- ibdev_dbg(ibdev,
- "create_dma_region ret %d gdma_region 0x%llx\n",
- err, cq->gdma_region);
-
- /*
- * The CQ ID is not known at this time. The ID is generated at create_qp
- */
- cq->id = INVALID_QUEUE_ID;
-
return 0;
-
-err_release_umem:
- ib_umem_release(cq->umem);
- return err;
}

int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
@@ -78,24 +54,16 @@ int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
struct ib_device *ibdev = ibcq->device;
struct mana_ib_dev *mdev;
struct gdma_context *gc;
- int err;

mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
gc = mdev_to_gc(mdev);

- err = mana_ib_gd_destroy_dma_region(mdev, cq->gdma_region);
- if (err) {
- ibdev_dbg(ibdev,
- "Failed to destroy dma region, %d\n", err);
- return err;
- }
-
- if (cq->id != INVALID_QUEUE_ID) {
- kfree(gc->cq_table[cq->id]);
- gc->cq_table[cq->id] = NULL;
+ if (cq->queue.id != INVALID_QUEUE_ID) {
+ kfree(gc->cq_table[cq->queue.id]);
+ gc->cq_table[cq->queue.id] = NULL;
}

- ib_umem_release(cq->umem);
+ mana_ib_destroy_queue(mdev, &cq->queue);

return 0;
}
@@ -114,7 +82,7 @@ int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq)
struct gdma_queue *gdma_cq;

/* Create CQ table entry */
- WARN_ON(gc->cq_table[cq->id]);
+ WARN_ON(gc->cq_table[cq->queue.id]);
gdma_cq = kzalloc(sizeof(*gdma_cq), GFP_KERNEL);
if (!gdma_cq)
return -ENOMEM;
@@ -122,7 +90,7 @@ int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq)
gdma_cq->cq.context = cq;
gdma_cq->type = GDMA_CQ;
gdma_cq->cq.callback = mana_ib_cq_handler;
- gdma_cq->id = cq->id;
- gc->cq_table[cq->id] = gdma_cq;
+ gdma_cq->id = cq->queue.id;
+ gc->cq_table[cq->queue.id] = gdma_cq;
return 0;
}
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 859fd3bfc..6acb5c281 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -88,10 +88,8 @@ struct mana_ib_mr {

struct mana_ib_cq {
struct ib_cq ibcq;
- struct ib_umem *umem;
+ struct mana_ib_queue queue;
int cqe;
- u64 gdma_region;
- u64 id;
u32 comp_vector;
};

diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
index 6e7627745..adf613b82 100644
--- a/drivers/infiniband/hw/mana/qp.c
+++ b/drivers/infiniband/hw/mana/qp.c
@@ -197,7 +197,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
wq_spec.gdma_region = wq->gdma_region;
wq_spec.queue_size = wq->wq_buf_size;

- cq_spec.gdma_region = cq->gdma_region;
+ cq_spec.gdma_region = cq->queue.gdma_region;
cq_spec.queue_size = cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
eq = &mpc->ac->eqs[cq->comp_vector % gc->max_num_queues];
@@ -213,16 +213,12 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,

/* The GDMA regions are now owned by the WQ object */
wq->gdma_region = GDMA_INVALID_DMA_REGION;
- cq->gdma_region = GDMA_INVALID_DMA_REGION;
+ cq->queue.gdma_region = GDMA_INVALID_DMA_REGION;

wq->id = wq_spec.queue_index;
- cq->id = cq_spec.queue_index;
+ cq->queue.id = cq_spec.queue_index;

- ibdev_dbg(&mdev->ib_dev,
- "ret %d rx_object 0x%llx wq id %llu cq id %llu\n",
- ret, wq->rx_object, wq->id, cq->id);
-
- resp.entries[i].cqid = cq->id;
+ resp.entries[i].cqid = cq->queue.id;
resp.entries[i].wqid = wq->id;

mana_ind_table[i] = wq->rx_object;
@@ -232,7 +228,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
if (ret)
goto fail;

- gdma_cq_allocated[i] = gc->cq_table[cq->id];
+ gdma_cq_allocated[i] = gc->cq_table[cq->queue.id];
}
resp.num_entries = i;

@@ -264,7 +260,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
wq = container_of(ibwq, struct mana_ib_wq, ibwq);
cq = container_of(ibcq, struct mana_ib_cq, ibcq);

- gc->cq_table[cq->id] = NULL;
+ gc->cq_table[cq->queue.id] = NULL;
kfree(gdma_cq_allocated[i]);

mana_destroy_wq_obj(mpc, GDMA_RQ, wq->rx_object);
@@ -374,7 +370,7 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
wq_spec.gdma_region = qp->sq_gdma_region;
wq_spec.queue_size = ucmd.sq_buf_size;

- cq_spec.gdma_region = send_cq->gdma_region;
+ cq_spec.gdma_region = send_cq->queue.gdma_region;
cq_spec.queue_size = send_cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
eq_vec = send_cq->comp_vector % gc->max_num_queues;
@@ -392,22 +388,18 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,

/* The GDMA regions are now owned by the WQ object */
qp->sq_gdma_region = GDMA_INVALID_DMA_REGION;
- send_cq->gdma_region = GDMA_INVALID_DMA_REGION;
+ send_cq->queue.gdma_region = GDMA_INVALID_DMA_REGION;

qp->sq_id = wq_spec.queue_index;
- send_cq->id = cq_spec.queue_index;
+ send_cq->queue.id = cq_spec.queue_index;

/* Create CQ table entry */
err = mana_ib_install_cq_cb(mdev, send_cq);
if (err)
goto err_destroy_wq_obj;

- ibdev_dbg(&mdev->ib_dev,
- "ret %d qp->tx_object 0x%llx sq id %llu cq id %llu\n", err,
- qp->tx_object, qp->sq_id, send_cq->id);
-
resp.sqid = qp->sq_id;
- resp.cqid = send_cq->id;
+ resp.cqid = send_cq->queue.id;
resp.tx_vp_offset = pd->tx_vp_offset;

err = ib_copy_to_udata(udata, &resp, sizeof(resp));
@@ -422,7 +414,7 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,

err_release_gdma_cq:
kfree(gdma_cq);
- gc->cq_table[send_cq->id] = NULL;
+ gc->cq_table[send_cq->queue.id] = NULL;

err_destroy_wq_obj:
mana_destroy_wq_obj(mpc, GDMA_SQ, qp->tx_object);
--
2.43.0