From: Konstantin Taranov <kotaranov@linux.microsoft.com>
To: kotaranov@microsoft.com, sharmaajay@microsoft.com,
longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH rdma-next 1/6] RDMA/mana_ib: create EQs for RNIC CQs
Date: Thu, 18 Apr 2024 09:52:00 -0700 [thread overview]
Message-ID: <1713459125-14914-2-git-send-email-kotaranov@linux.microsoft.com> (raw)
In-Reply-To: <1713459125-14914-1-git-send-email-kotaranov@linux.microsoft.com>
From: Konstantin Taranov <kotaranov@microsoft.com>
Create EQs within mana_ib device. Such EQs are required
for creation of RNIC CQs.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
---
drivers/infiniband/hw/mana/main.c | 34 ++++++++++++++++++++++++++--
drivers/infiniband/hw/mana/mana_ib.h | 1 +
2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index f540147..546d059 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -658,7 +658,7 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
{
struct gdma_context *gc = mdev_to_gc(mdev);
struct gdma_queue_spec spec = {};
- int err;
+ int err, i;
spec.type = GDMA_EQ;
spec.monitor_avl_buf = false;
@@ -672,12 +672,42 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
if (err)
return err;
+ mdev->eqs = kcalloc(mdev->ib_dev.num_comp_vectors, sizeof(struct gdma_queue *),
+ GFP_KERNEL);
+ if (!mdev->eqs) {
+ err = -ENOMEM;
+ goto destroy_fatal_eq;
+ }
+
+ for (i = 0; i < mdev->ib_dev.num_comp_vectors; i++) {
+ spec.eq.msix_index = (i + 1) % gc->num_msix_usable;
+ err = mana_gd_create_mana_eq(mdev->gdma_dev, &spec, &mdev->eqs[i]);
+ if (err)
+ goto destroy_eqs;
+ }
+
return 0;
+
+destroy_eqs:
+ while (i-- > 0)
+ mana_gd_destroy_queue(gc, mdev->eqs[i]);
+ kfree(mdev->eqs);
+destroy_fatal_eq:
+ mana_gd_destroy_queue(gc, mdev->fatal_err_eq);
+ return err;
}
void mana_ib_destroy_eqs(struct mana_ib_dev *mdev)
{
- mana_gd_destroy_queue(mdev_to_gc(mdev), mdev->fatal_err_eq);
+ struct gdma_context *gc = mdev_to_gc(mdev);
+ int i;
+
+ mana_gd_destroy_queue(gc, mdev->fatal_err_eq);
+
+ for (i = 0; i < mdev->ib_dev.num_comp_vectors; i++)
+ mana_gd_destroy_queue(gc, mdev->eqs[i]);
+
+ kfree(mdev->eqs);
}
int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev)
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 4c1240d..bfcf6df 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -56,6 +56,7 @@ struct mana_ib_dev {
struct gdma_dev *gdma_dev;
mana_handle_t adapter_handle;
struct gdma_queue *fatal_err_eq;
+ struct gdma_queue **eqs;
struct mana_ib_adapter_caps adapter_caps;
};
--
2.43.0
next prev parent reply other threads:[~2024-04-18 16:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-18 16:51 [PATCH rdma-next 0/6] RDMA/mana_ib: Implement RNIC CQs Konstantin Taranov
2024-04-18 16:52 ` Konstantin Taranov [this message]
2024-04-23 23:24 ` [PATCH rdma-next 1/6] RDMA/mana_ib: create EQs for " Long Li
2024-04-18 16:52 ` [PATCH rdma-next 2/6] RDMA/mana_ib: create and destroy RNIC cqs Konstantin Taranov
2024-04-23 23:30 ` Long Li
2024-04-18 16:52 ` [PATCH rdma-next 3/6] RDMA/mana_ib: replace duplicate cqe with buf_size Konstantin Taranov
2024-04-23 23:34 ` Long Li
2024-04-24 8:43 ` Konstantin Taranov
2024-04-25 20:17 ` Long Li
2024-04-18 16:52 ` [PATCH rdma-next 4/6] RDMA/mana_ib: introduce a helper to remove cq callbacks Konstantin Taranov
2024-04-23 23:42 ` Long Li
2024-04-24 8:50 ` Konstantin Taranov
2024-04-25 20:29 ` Long Li
2024-04-18 16:52 ` [PATCH rdma-next 5/6] RDMA/mana_ib: boundary check before installing " Konstantin Taranov
2024-04-23 23:45 ` Long Li
2024-04-24 8:58 ` Konstantin Taranov
2024-04-25 20:31 ` Long Li
2024-04-18 16:52 ` [PATCH rdma-next 6/6] RDMA/mana_ib: implement uapi for creation of rnic cq Konstantin Taranov
2024-04-23 23:57 ` Long Li
2024-04-30 12:37 ` Leon Romanovsky
2024-04-30 12:57 ` Jason Gunthorpe
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