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ionic: reduce contiguous memory allocation requirement

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Split out the queue descriptor blocks into separate dma
allocations to make for smaller blocks.

Co-developed-by: Neel Patel <neel@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson
2020-08-27 16:00:25 -07:00
committed by David S. Miller
parent d4881430f5
commit ea5a8b09dc
3 changed files with 83 additions and 56 deletions
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drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
+12 -11
View File
@@ -112,7 +112,8 @@ static const struct debugfs_reg32 intr_ctrl_regs[] = {
void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq)
{
struct dentry *q_dentry, *cq_dentry, *intr_dentry, *stats_dentry;
struct dentry *qcq_dentry, *q_dentry, *cq_dentry;
struct dentry *intr_dentry, *stats_dentry;
struct ionic_dev *idev = &lif->ionic->idev;
struct debugfs_regset32 *intr_ctrl_regset;
struct ionic_intr_info *intr = &qcq->intr;
@@ -121,21 +122,21 @@ void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq)
struct ionic_queue *q = &qcq->q;
struct ionic_cq *cq = &qcq->cq;
qcq->dentry = debugfs_create_dir(q->name, lif->dentry);
qcq_dentry = debugfs_create_dir(q->name, lif->dentry);
if (IS_ERR_OR_NULL(qcq_dentry))
return;
qcq->dentry = qcq_dentry;
debugfs_create_x32("total_size", 0400, qcq->dentry, &qcq->total_size);
debugfs_create_x64("base_pa", 0400, qcq->dentry, &qcq->base_pa);
debugfs_create_x64("q_base_pa", 0400, qcq_dentry, &qcq->q_base_pa);
debugfs_create_x32("q_size", 0400, qcq_dentry, &qcq->q_size);
debugfs_create_x64("cq_base_pa", 0400, qcq_dentry, &qcq->cq_base_pa);
debugfs_create_x32("cq_size", 0400, qcq_dentry, &qcq->cq_size);
debugfs_create_x64("sg_base_pa", 0400, qcq_dentry, &qcq->sg_base_pa);
debugfs_create_x32("sg_size", 0400, qcq_dentry, &qcq->sg_size);
q_dentry = debugfs_create_dir("q", qcq->dentry);
debugfs_create_u32("index", 0400, q_dentry, &q->index);
debugfs_create_x64("base_pa", 0400, q_dentry, &q->base_pa);
if (qcq->flags & IONIC_QCQ_F_SG) {
debugfs_create_x64("sg_base_pa", 0400, q_dentry,
&q->sg_base_pa);
debugfs_create_u32("sg_desc_size", 0400, q_dentry,
&q->sg_desc_size);
}
debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs);
debugfs_create_u32("desc_size", 0400, q_dentry, &q->desc_size);
debugfs_create_u32("pid", 0400, q_dentry, &q->pid);