Add device sorting criteria to prioritize devices with fewer
references and closer NUMA distances. Devices that are fully
occupied will not be prioritized for use.
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Weili Qian <qianweili@huawei.com>
---
drivers/crypto/hisilicon/qm.c | 35 +++++++++++++++++++++++++----------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 6ff189941300..e4f360172477 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -3592,6 +3592,20 @@ void hisi_qm_free_qps(struct hisi_qp **qps, int qp_num)
}
EXPORT_SYMBOL_GPL(hisi_qm_free_qps);
+static void qm_insert_sorted(struct list_head *head, struct hisi_qm_resource *res)
+{
+ struct hisi_qm_resource *tmp;
+ struct list_head *n = head;
+
+ list_for_each_entry(tmp, head, list) {
+ if (res->distance < tmp->distance) {
+ n = &tmp->list;
+ break;
+ }
+ }
+ list_add_tail(&res->list, n);
+}
+
static void free_list(struct list_head *head)
{
struct hisi_qm_resource *res, *tmp;
@@ -3652,11 +3666,12 @@ static int qm_get_and_start_qp(struct hisi_qm *qm, int qp_num, struct hisi_qp **
static int hisi_qm_sort_devices(int node, struct list_head *head,
struct hisi_qm_list *qm_list)
{
- struct hisi_qm_resource *res, *tmp;
+ struct hisi_qm_resource *res;
struct hisi_qm *qm;
- struct list_head *n;
struct device *dev;
int dev_node;
+ LIST_HEAD(non_full_list);
+ LIST_HEAD(full_list);
list_for_each_entry(qm, &qm_list->list, list) {
dev = &qm->pdev->dev;
@@ -3671,16 +3686,16 @@ static int hisi_qm_sort_devices(int node, struct list_head *head,
res->qm = qm;
res->distance = node_distance(dev_node, node);
- n = head;
- list_for_each_entry(tmp, head, list) {
- if (res->distance < tmp->distance) {
- n = &tmp->list;
- break;
- }
- }
- list_add_tail(&res->list, n);
+
+ if (qm->qp_in_used == qm->qp_num)
+ qm_insert_sorted(&full_list, res);
+ else
+ qm_insert_sorted(&non_full_list, res);
}
+ list_splice_tail(&non_full_list, head);
+ list_splice_tail(&full_list, head);
+
return 0;
}
--
2.33.0