Commit 98b889c4 authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
Browse files

RDMA/mana_ib: Add EQ creation for rnic adapter 



Create an error EQ for the RNIC adapter.

Signed-off-by: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-2-git-send-email-kotaranov@linux.microsoft.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 23f59f4e

drivers/infiniband/hw/mana/device.c

+10 −3
Original line number Diff line number Diff line
@@ -92,15 +92,23 @@ static int mana_ib_probe(struct auxiliary_device *adev, 
		goto deregister_device;

	}



	ret = mana_ib_create_eqs(dev);

	if (ret) {

		ibdev_err(&dev->ib_dev, "Failed to create EQs, ret %d", ret);

		goto deregister_device;

	}



	ret = ib_register_device(&dev->ib_dev, "mana_%d",

				 mdev->gdma_context->dev);

	if (ret)

		goto deregister_device;

		goto destroy_eqs;



	dev_set_drvdata(&adev->dev, dev);



	return 0;



destroy_eqs:

	mana_ib_destroy_eqs(dev);

deregister_device:

	mana_gd_deregister_device(dev->gdma_dev);

free_ib_device:
@@ -113,9 +121,8 @@ static void mana_ib_remove(struct auxiliary_device *adev) 
	struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);



	ib_unregister_device(&dev->ib_dev);



	mana_ib_destroy_eqs(dev);

	mana_gd_deregister_device(dev->gdma_dev);



	ib_dealloc_device(&dev->ib_dev);

}

drivers/infiniband/hw/mana/main.c

+26 −0
Original line number Diff line number Diff line
@@ -611,3 +611,29 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev) 


	return 0;

}



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;



	spec.type = GDMA_EQ;

	spec.monitor_avl_buf = false;

	spec.queue_size = EQ_SIZE;

	spec.eq.callback = NULL;

	spec.eq.context = mdev;

	spec.eq.log2_throttle_limit = LOG2_EQ_THROTTLE;

	spec.eq.msix_index = 0;



	err = mana_gd_create_mana_eq(&gc->mana_ib, &spec, &mdev->fatal_err_eq);

	if (err)

		return err;



	return 0;

}



void mana_ib_destroy_eqs(struct mana_ib_dev *mdev)

{

	mana_gd_destroy_queue(mdev_to_gc(mdev), mdev->fatal_err_eq);

}

drivers/infiniband/hw/mana/mana_ib.h

+5 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ struct mana_ib_queue { 
struct mana_ib_dev {

	struct ib_device ib_dev;

	struct gdma_dev *gdma_dev;

	struct gdma_queue *fatal_err_eq;

	struct mana_ib_adapter_caps adapter_caps;

};
@@ -233,4 +234,8 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, 
void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext);



int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev);



int mana_ib_create_eqs(struct mana_ib_dev *mdev);



void mana_ib_destroy_eqs(struct mana_ib_dev *mdev);

#endif