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Commit 4f1df844 authored by Selvin Xavier's avatar Selvin Xavier Committed by Roland Dreier
Browse files

RDMA/ocrdma: Increase the size of STAG array in dev structure to 16K 



HW can support 16K STAG entries.  Change this max limit.  Also, move
this array out of ocrdma_dev to reduce the size of this structure.

Signed-off-by: default avatarDevesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: default avatarSelvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 920de55d

drivers/infiniband/hw/ocrdma/ocrdma.h

+1 −1
Original line number Diff line number Diff line
@@ -236,7 +236,7 @@ struct ocrdma_dev { 
	struct list_head entry;

	struct rcu_head rcu;

	int id;

	u64 stag_arr[OCRDMA_MAX_STAG];

	u64 *stag_arr;

	u8 sl; /* service level */

	bool pfc_state;

	atomic_t update_sl;

drivers/infiniband/hw/ocrdma/ocrdma_main.c

+6 −0
Original line number Diff line number Diff line
@@ -324,6 +324,11 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev) 
		if (!dev->qp_tbl)

			goto alloc_err;

	}



	dev->stag_arr = kzalloc(sizeof(u64) * OCRDMA_MAX_STAG, GFP_KERNEL);

	if (dev->stag_arr == NULL)

		goto alloc_err;



	spin_lock_init(&dev->av_tbl.lock);

	spin_lock_init(&dev->flush_q_lock);

	return 0;
@@ -334,6 +339,7 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev) 


static void ocrdma_free_resources(struct ocrdma_dev *dev)

{

	kfree(dev->stag_arr);

	kfree(dev->qp_tbl);

	kfree(dev->cq_tbl);

	kfree(dev->sgid_tbl);

drivers/infiniband/hw/ocrdma/ocrdma_sli.h

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ enum { 


#define OCRDMA_MAX_QP    2048

#define OCRDMA_MAX_CQ    2048

#define OCRDMA_MAX_STAG  8192

#define OCRDMA_MAX_STAG 16384



enum {

	OCRDMA_DB_RQ_OFFSET		= 0xE0,