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authorKonstantin Taranov <kotaranov@microsoft.com>2024-04-26 06:12:36 -0700
committerLeon Romanovsky <leon@kernel.org>2024-05-05 15:27:23 +0300
commite73c882f0a0149d8cad79f87b28cbbc9b4ed9ebe (patch)
tree8b59c7912d4743bbebe9c4f47e122566ff9ea10a /drivers/infiniband/hw/mana
parent48d80b484491f177c586874c480cf9ba3af82b4f (diff)
RDMA/mana_ib: create EQs for RNIC CQs
Create EQs within mana_ib device. Such EQs are required for creation of RNIC CQs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1714137160-5222-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mana')
-rw-r--r--drivers/infiniband/hw/mana/main.c34
-rw-r--r--drivers/infiniband/hw/mana/mana_ib.h1
2 files changed, 33 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index f5401471bffe..546d059470e5 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 4c1240da0c5f..bfcf6dfd221e 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;
};