Commit e73c882f authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
Browse files

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: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1714137160-5222-2-git-send-email-kotaranov@linux.microsoft.com


Reviewed-by: default avatarLong Li <longli@microsoft.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 48d80b48

drivers/infiniband/hw/mana/main.c

+32 −2
Original line number Diff line number Diff line
@@ -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)

drivers/infiniband/hw/mana/mana_ib.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

};