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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: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Selvin Xavier 2014-06-10 19:32:24 +05:30 committed by Roland Dreier
parent 920de55d40
commit 4f1df8440d
3 changed files with 8 additions and 2 deletions
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2
drivers/infiniband/hw/ocrdma/ocrdma.h
View File

@ -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;

6
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -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 @@ alloc_err:
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);

2
drivers/infiniband/hw/ocrdma/ocrdma_sli.h
View File

@ -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,