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crypto: hisilicon/hpre - Optimize finding hpre device process

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Optimize finding hpre device process according to priority of numa
distance.

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Hui Tang 2020-03-10 16:42:51 +08:00 committed by Herbert Xu
parent 18f1ab3f74
commit 0f4146fadc
3 changed files with 20 additions and 55 deletions
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3
drivers/crypto/hisilicon/hpre/hpre.h
View file

@ -46,7 +46,6 @@ struct hpre_debug {
struct hpre {
struct hisi_qm qm;
struct list_head list;
struct hpre_debug debug;
u32 num_vfs;
unsigned long status;
@ -76,7 +75,7 @@ struct hpre_sqe {
__le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
};
struct hpre *hpre_find_device(int node);
struct hisi_qp *hpre_create_qp(void);
int hpre_algs_register(void);
void hpre_algs_unregister(void);

20
drivers/crypto/hisilicon/hpre/hpre_crypto.c
View file

@ -147,26 +147,18 @@ static void hpre_rm_req_from_ctx(struct hpre_asym_request *hpre_req)
static struct hisi_qp *hpre_get_qp_and_start(void)
{
struct hisi_qp *qp;
struct hpre *hpre;
int ret;
/* find the proper hpre device, which is near the current CPU core */
hpre = hpre_find_device(cpu_to_node(smp_processor_id()));
if (!hpre) {
pr_err("Can not find proper hpre device!\n");
return ERR_PTR(-ENODEV);
}
qp = hisi_qm_create_qp(&hpre->qm, 0);
if (IS_ERR(qp)) {
pci_err(hpre->qm.pdev, "Can not create qp!\n");
qp = hpre_create_qp();
if (!qp) {
pr_err("Can not create hpre qp!\n");
return ERR_PTR(-ENODEV);
}
ret = hisi_qm_start_qp(qp, 0);
if (ret < 0) {
hisi_qm_release_qp(qp);
pci_err(hpre->qm.pdev, "Can not start qp!\n");
hisi_qm_free_qps(&qp, 1);
pci_err(qp->qm->pdev, "Can not start qp!\n");
return ERR_PTR(-EINVAL);
}
@ -338,7 +330,7 @@ static void hpre_ctx_clear(struct hpre_ctx *ctx, bool is_clear_all)
if (is_clear_all) {
idr_destroy(&ctx->req_idr);
kfree(ctx->req_list);
hisi_qm_release_qp(ctx->qp);
hisi_qm_free_qps(&ctx->qp, 1);
}
ctx->crt_g2_mode = false;

52
drivers/crypto/hisilicon/hpre/hpre_main.c
View file

@ -82,8 +82,7 @@
#define HPRE_VIA_MSI_DSM 1
static LIST_HEAD(hpre_list);
static DEFINE_MUTEX(hpre_list_lock);
static struct hisi_qm_list hpre_devices;
static const char hpre_name[] = "hisi_hpre";
static struct dentry *hpre_debugfs_root;
static const struct pci_device_id hpre_dev_ids[] = {
@ -196,43 +195,17 @@ static u32 hpre_pf_q_num = HPRE_PF_DEF_Q_NUM;
module_param_cb(hpre_pf_q_num, &hpre_pf_q_num_ops, &hpre_pf_q_num, 0444);
MODULE_PARM_DESC(hpre_pf_q_num, "Number of queues in PF of CS(1-1024)");
static inline void hpre_add_to_list(struct hpre *hpre)
struct hisi_qp *hpre_create_qp(void)
{
mutex_lock(&hpre_list_lock);
list_add_tail(&hpre->list, &hpre_list);
mutex_unlock(&hpre_list_lock);
}
int node = cpu_to_node(smp_processor_id());
struct hisi_qp *qp = NULL;
int ret;
static inline void hpre_remove_from_list(struct hpre *hpre)
{
mutex_lock(&hpre_list_lock);
list_del(&hpre->list);
mutex_unlock(&hpre_list_lock);
}
ret = hisi_qm_alloc_qps_node(&hpre_devices, 1, 0, node, &qp);
if (!ret)
return qp;
struct hpre *hpre_find_device(int node)
{
struct hpre *hpre, *ret = NULL;
int min_distance = INT_MAX;
struct device *dev;
int dev_node = 0;
mutex_lock(&hpre_list_lock);
list_for_each_entry(hpre, &hpre_list, list) {
dev = &hpre->qm.pdev->dev;
#ifdef CONFIG_NUMA
dev_node = dev->numa_node;
if (dev_node < 0)
dev_node = 0;
#endif
if (node_distance(dev_node, node) < min_distance) {
ret = hpre;
min_distance = node_distance(dev_node, node);
}
}
mutex_unlock(&hpre_list_lock);
return ret;
return NULL;
}
static int hpre_cfg_by_dsm(struct hisi_qm *qm)
@ -799,17 +772,17 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
dev_warn(&pdev->dev, "init debugfs fail!\n");
hpre_add_to_list(hpre);
hisi_qm_add_to_list(qm, &hpre_devices);
ret = hpre_algs_register();
if (ret < 0) {
hpre_remove_from_list(hpre);
pci_err(pdev, "fail to register algs to crypto!\n");
goto err_with_qm_start;
}
return 0;
err_with_qm_start:
hisi_qm_del_from_list(qm, &hpre_devices);
hisi_qm_stop(qm);
err_with_err_init:
@ -929,7 +902,7 @@ static void hpre_remove(struct pci_dev *pdev)
int ret;
hpre_algs_unregister();
hpre_remove_from_list(hpre);
hisi_qm_del_from_list(qm, &hpre_devices);
if (qm->fun_type == QM_HW_PF && hpre->num_vfs != 0) {
ret = hpre_sriov_disable(pdev);
if (ret) {
@ -979,6 +952,7 @@ static int __init hpre_init(void)
{
int ret;
hisi_qm_init_list(&hpre_devices);
hpre_register_debugfs();
ret = pci_register_driver(&hpre_pci_driver);