int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
{
struct mlx4_ib_cq *mcq = to_mcq(cq);
struct mlx4_ib_dev *dev = to_mdev(cq->device);
return mlx4_cq_modify(dev->dev, &mcq->mcq, cq_count, cq_period);
}
/* Set rx cq moderation parameters */
int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
return mlx4_cq_modify(priv->mdev->dev, &cq->mcq,
cq->moder_cnt, cq->moder_time);
}
/* CQ allocation and modification test */
int cq_test(struct mlx4_dev *dev, char* log) {
struct mlx4_cq *cq;
struct mlx4_mtt *mtt;
struct mlx4_uar *uar;
struct mlx4_db *db;
int err;
int expected_rc = 0;
int collapsed = 0;
int timestamp_en = 0;
int npages = 1;
int page_shift = get_order(dev->caps.cqe_size) + PAGE_SHIFT;
int ret_val = FAIL;
int vector = 0;
int nent = 2 * MLX4_NUM_TUNNEL_BUFS;
u16 count = 88;
u16 period = 0;
u64 mtt_addr;
uar = malloc(sizeof *uar ,M_CQ_VAL, M_WAITOK );
VL_CHECK_MALLOC(uar, goto without_free, log);
mtt = malloc(sizeof *mtt ,M_CQ_VAL, M_WAITOK );
VL_CHECK_MALLOC(mtt, goto free_uar, log);
cq = malloc(sizeof *cq ,M_CQ_VAL, M_WAITOK );
VL_CHECK_MALLOC(cq, goto free_mtt, log);
db = malloc(sizeof *db ,M_CQ_VAL, M_WAITOK );
VL_CHECK_MALLOC(db, goto free_cq, log);
err = mlx4_mtt_init(dev, npages, page_shift, mtt);
VL_CHECK_RC(err, expected_rc, goto free_db , log, "failed to initialize MTT");
uprintf("MTT was initialized successfuly\n");
VL_CHECK_INT_VALUE(mtt->order, 0, goto cleanup_mtt, log, "mtt->order is wrong");
VL_CHECK_INT_VALUE(mtt->page_shift, 12, goto cleanup_mtt, log, "mtt->page_shift is wrong");
mtt_addr = mlx4_mtt_addr(dev, mtt);
uprintf("MTT address is: %lu\n", mtt_addr);
err = mlx4_uar_alloc(dev, uar);
VL_CHECK_RC(err, expected_rc, goto cleanup_mtt , log, "failed to allocate UAR");
uprintf("UAR was allocated successfuly\n");
err = mlx4_db_alloc(dev, db, 1);
VL_CHECK_RC(err, expected_rc, goto dealloc_uar , log, "failed to allocate DB");
uprintf("DB was allocated successfuly\n");
err = mlx4_cq_alloc(dev, nent, mtt, uar, db->dma, cq, vector, collapsed, timestamp_en);
VL_CHECK_RC(err, expected_rc, goto dealloc_db , log, "failed to allocate CQ");
uprintf("CQ allocated successfuly\n");
VL_CHECK_INT_VALUE(cq->cons_index, 0, goto dealloc_cq, log, "cq->cons_index is wrong");
VL_CHECK_INT_VALUE(cq->arm_sn, 1, goto dealloc_cq, log, "cq->arm_sn is wrong");
uprintf("cq->cqn = %d, cq->uar->pfn = %lu, cq->eqn = %d, cq->irq = %u\n", cq->cqn, cq->uar->pfn, cq->eqn, cq->irq );
VL_CHECK_UNSIGNED_INT_VALUE(cq->cons_index, (unsigned int)0, goto dealloc_cq, log, "cq->cons_index != 0");
VL_CHECK_INT_VALUE(cq->arm_sn, 1, goto dealloc_cq, log, "cq->arm_sn != 1");
err = mlx4_cq_modify(dev, cq, count, period);
VL_CHECK_RC(err, expected_rc, goto dealloc_cq , log, "failed to modify CQ");
uprintf("CQ was modifyed successfuly\n");
ret_val = SUCCESS;
dealloc_cq:
mlx4_cq_free(dev, cq);
uprintf("CQ was freed successfuly\n");
dealloc_db:
mlx4_db_free(dev, db);
uprintf( "DB free was successful\n");
dealloc_uar:
mlx4_uar_free(dev,uar);
uprintf("UAR free was successful\n");
cleanup_mtt:
mlx4_mtt_cleanup(dev, mtt);
uprintf( "mtt clean-up was successful\n");
free_db:
free(db, M_CQ_VAL);
free_cq:
free(cq, M_CQ_VAL);
free_mtt:
free(mtt, M_CQ_VAL);
free_uar:
free(uar, M_CQ_VAL);
without_free:
return ret_val;
}
