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-rw-r--r--drivers/crypto/hisilicon/hpre/hpre_crypto.c25
-rw-r--r--drivers/crypto/hisilicon/hpre/hpre_main.c14
-rw-r--r--drivers/crypto/hisilicon/qm.c47
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.c31
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_main.c24
-rw-r--r--drivers/crypto/hisilicon/zip/zip_crypto.c24
-rw-r--r--drivers/crypto/hisilicon/zip/zip_main.c14
7 files changed, 118 insertions, 61 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 9a1c61be32cc..764532a6ca82 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -57,6 +57,9 @@ struct hpre_ctx;
#define HPRE_DRV_ECDH_MASK_CAP BIT(2)
#define HPRE_DRV_X25519_MASK_CAP BIT(5)
+static DEFINE_MUTEX(hpre_algs_lock);
+static unsigned int hpre_available_devs;
+
typedef void (*hpre_cb)(struct hpre_ctx *ctx, void *sqe);
struct hpre_rsa_ctx {
@@ -2202,11 +2205,17 @@ static void hpre_unregister_x25519(struct hisi_qm *qm)
int hpre_algs_register(struct hisi_qm *qm)
{
- int ret;
+ int ret = 0;
+
+ mutex_lock(&hpre_algs_lock);
+ if (hpre_available_devs) {
+ hpre_available_devs++;
+ goto unlock;
+ }
ret = hpre_register_rsa(qm);
if (ret)
- return ret;
+ goto unlock;
ret = hpre_register_dh(qm);
if (ret)
@@ -2220,6 +2229,9 @@ int hpre_algs_register(struct hisi_qm *qm)
if (ret)
goto unreg_ecdh;
+ hpre_available_devs++;
+ mutex_unlock(&hpre_algs_lock);
+
return ret;
unreg_ecdh:
@@ -2228,13 +2240,22 @@ unreg_dh:
hpre_unregister_dh(qm);
unreg_rsa:
hpre_unregister_rsa(qm);
+unlock:
+ mutex_unlock(&hpre_algs_lock);
return ret;
}
void hpre_algs_unregister(struct hisi_qm *qm)
{
+ mutex_lock(&hpre_algs_lock);
+ if (--hpre_available_devs)
+ goto unlock;
+
hpre_unregister_x25519(qm);
hpre_unregister_ecdh(qm);
hpre_unregister_dh(qm);
hpre_unregister_rsa(qm);
+
+unlock:
+ mutex_unlock(&hpre_algs_lock);
}
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 3dce35debf63..56777099ef69 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -107,6 +107,7 @@
#define HPRE_VIA_MSI_DSM 1
#define HPRE_SQE_MASK_OFFSET 8
#define HPRE_SQE_MASK_LEN 24
+#define HPRE_CTX_Q_NUM_DEF 1
#define HPRE_DFX_BASE 0x301000
#define HPRE_DFX_COMMON1 0x301400
@@ -1399,10 +1400,11 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
dev_warn(&pdev->dev, "init debugfs fail!\n");
- ret = hisi_qm_alg_register(qm, &hpre_devices);
+ hisi_qm_add_list(qm, &hpre_devices);
+ ret = hisi_qm_alg_register(qm, &hpre_devices, HPRE_CTX_Q_NUM_DEF);
if (ret < 0) {
pci_err(pdev, "fail to register algs to crypto!\n");
- goto err_with_qm_start;
+ goto err_qm_del_list;
}
if (qm->uacce) {
@@ -1424,9 +1426,10 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
err_with_alg_register:
- hisi_qm_alg_unregister(qm, &hpre_devices);
+ hisi_qm_alg_unregister(qm, &hpre_devices, HPRE_CTX_Q_NUM_DEF);
-err_with_qm_start:
+err_qm_del_list:
+ hisi_qm_del_list(qm, &hpre_devices);
hpre_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);
@@ -1446,7 +1449,8 @@ static void hpre_remove(struct pci_dev *pdev)
hisi_qm_pm_uninit(qm);
hisi_qm_wait_task_finish(qm, &hpre_devices);
- hisi_qm_alg_unregister(qm, &hpre_devices);
+ hisi_qm_alg_unregister(qm, &hpre_devices, HPRE_CTX_Q_NUM_DEF);
+ hisi_qm_del_list(qm, &hpre_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num)
hisi_qm_sriov_disable(pdev, true);
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 458d1fe42a24..f3b55c044dd3 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -4860,63 +4860,48 @@ static void qm_cmd_process(struct work_struct *cmd_process)
}
/**
- * hisi_qm_alg_register() - Register alg to crypto and add qm to qm_list.
+ * hisi_qm_alg_register() - Register alg to crypto.
* @qm: The qm needs add.
* @qm_list: The qm list.
+ * @guard: Guard of qp_num.
*
- * This function adds qm to qm list, and will register algorithm to
- * crypto when the qm list is empty.
+ * Register algorithm to crypto when the function is satisfy guard.
*/
-int hisi_qm_alg_register(struct hisi_qm *qm, struct hisi_qm_list *qm_list)
+int hisi_qm_alg_register(struct hisi_qm *qm, struct hisi_qm_list *qm_list, int guard)
{
struct device *dev = &qm->pdev->dev;
- int flag = 0;
- int ret = 0;
-
- mutex_lock(&qm_list->lock);
- if (list_empty(&qm_list->list))
- flag = 1;
- list_add_tail(&qm->list, &qm_list->list);
- mutex_unlock(&qm_list->lock);
if (qm->ver <= QM_HW_V2 && qm->use_sva) {
dev_info(dev, "HW V2 not both use uacce sva mode and hardware crypto algs.\n");
return 0;
}
- if (flag) {
- ret = qm_list->register_to_crypto(qm);
- if (ret) {
- mutex_lock(&qm_list->lock);
- list_del(&qm->list);
- mutex_unlock(&qm_list->lock);
- }
+ if (qm->qp_num < guard) {
+ dev_info(dev, "qp_num is less than task need.\n");
+ return 0;
}
- return ret;
+ return qm_list->register_to_crypto(qm);
}
EXPORT_SYMBOL_GPL(hisi_qm_alg_register);
/**
- * hisi_qm_alg_unregister() - Unregister alg from crypto and delete qm from
- * qm list.
+ * hisi_qm_alg_unregister() - Unregister alg from crypto.
* @qm: The qm needs delete.
* @qm_list: The qm list.
+ * @guard: Guard of qp_num.
*
- * This function deletes qm from qm list, and will unregister algorithm
- * from crypto when the qm list is empty.
+ * Unregister algorithm from crypto when the last function is satisfy guard.
*/
-void hisi_qm_alg_unregister(struct hisi_qm *qm, struct hisi_qm_list *qm_list)
+void hisi_qm_alg_unregister(struct hisi_qm *qm, struct hisi_qm_list *qm_list, int guard)
{
- mutex_lock(&qm_list->lock);
- list_del(&qm->list);
- mutex_unlock(&qm_list->lock);
-
if (qm->ver <= QM_HW_V2 && qm->use_sva)
return;
- if (list_empty(&qm_list->list))
- qm_list->unregister_from_crypto(qm);
+ if (qm->qp_num < guard)
+ return;
+
+ qm_list->unregister_from_crypto(qm);
}
EXPORT_SYMBOL_GPL(hisi_qm_alg_unregister);
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index ed77711e809e..6fcabbc87860 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -104,6 +104,9 @@
#define IV_CTR_INIT 0x1
#define IV_BYTE_OFFSET 0x8
+static DEFINE_MUTEX(sec_algs_lock);
+static unsigned int sec_available_devs;
+
struct sec_skcipher {
u64 alg_msk;
struct skcipher_alg alg;
@@ -2545,16 +2548,31 @@ err:
int sec_register_to_crypto(struct hisi_qm *qm)
{
u64 alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH, SEC_DRV_ALG_BITMAP_LOW);
- int ret;
+ int ret = 0;
+
+ mutex_lock(&sec_algs_lock);
+ if (sec_available_devs) {
+ sec_available_devs++;
+ goto unlock;
+ }
ret = sec_register_skcipher(alg_mask);
if (ret)
- return ret;
+ goto unlock;
ret = sec_register_aead(alg_mask);
if (ret)
- sec_unregister_skcipher(alg_mask, ARRAY_SIZE(sec_skciphers));
+ goto unreg_skcipher;
+ sec_available_devs++;
+ mutex_unlock(&sec_algs_lock);
+
+ return 0;
+
+unreg_skcipher:
+ sec_unregister_skcipher(alg_mask, ARRAY_SIZE(sec_skciphers));
+unlock:
+ mutex_unlock(&sec_algs_lock);
return ret;
}
@@ -2562,6 +2580,13 @@ void sec_unregister_from_crypto(struct hisi_qm *qm)
{
u64 alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH, SEC_DRV_ALG_BITMAP_LOW);
+ mutex_lock(&sec_algs_lock);
+ if (--sec_available_devs)
+ goto unlock;
+
sec_unregister_aead(alg_mask, ARRAY_SIZE(sec_aeads));
sec_unregister_skcipher(alg_mask, ARRAY_SIZE(sec_skciphers));
+
+unlock:
+ mutex_unlock(&sec_algs_lock);
}
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 62bd8936a915..0e56a47eb862 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -1234,15 +1234,11 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
pci_warn(pdev, "Failed to init debugfs!\n");
- if (qm->qp_num >= ctx_q_num) {
- ret = hisi_qm_alg_register(qm, &sec_devices);
- if (ret < 0) {
- pr_err("Failed to register driver to crypto.\n");
- goto err_qm_stop;
- }
- } else {
- pci_warn(qm->pdev,
- "Failed to use kernel mode, qp not enough!\n");
+ hisi_qm_add_list(qm, &sec_devices);
+ ret = hisi_qm_alg_register(qm, &sec_devices, ctx_q_num);
+ if (ret < 0) {
+ pr_err("Failed to register driver to crypto.\n");
+ goto err_qm_del_list;
}
if (qm->uacce) {
@@ -1264,9 +1260,9 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
err_alg_unregister:
- if (qm->qp_num >= ctx_q_num)
- hisi_qm_alg_unregister(qm, &sec_devices);
-err_qm_stop:
+ hisi_qm_alg_unregister(qm, &sec_devices, ctx_q_num);
+err_qm_del_list:
+ hisi_qm_del_list(qm, &sec_devices);
sec_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);
err_probe_uninit:
@@ -1283,8 +1279,8 @@ static void sec_remove(struct pci_dev *pdev)
hisi_qm_pm_uninit(qm);
hisi_qm_wait_task_finish(qm, &sec_devices);
- if (qm->qp_num >= ctx_q_num)
- hisi_qm_alg_unregister(qm, &sec_devices);
+ hisi_qm_alg_unregister(qm, &sec_devices, ctx_q_num);
+ hisi_qm_del_list(qm, &sec_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num)
hisi_qm_sriov_disable(pdev, true);
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 636ac794ebb7..c650c741a18d 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -25,6 +25,9 @@
#define HZIP_ALG_DEFLATE GENMASK(5, 4)
+static DEFINE_MUTEX(zip_algs_lock);
+static unsigned int zip_available_devs;
+
enum hisi_zip_alg_type {
HZIP_ALG_TYPE_COMP = 0,
HZIP_ALG_TYPE_DECOMP = 1,
@@ -618,10 +621,29 @@ static void hisi_zip_unregister_deflate(struct hisi_qm *qm)
int hisi_zip_register_to_crypto(struct hisi_qm *qm)
{
- return hisi_zip_register_deflate(qm);
+ int ret = 0;
+
+ mutex_lock(&zip_algs_lock);
+ if (zip_available_devs++)
+ goto unlock;
+
+ ret = hisi_zip_register_deflate(qm);
+ if (ret)
+ zip_available_devs--;
+
+unlock:
+ mutex_unlock(&zip_algs_lock);
+ return ret;
}
void hisi_zip_unregister_from_crypto(struct hisi_qm *qm)
{
+ mutex_lock(&zip_algs_lock);
+ if (--zip_available_devs)
+ goto unlock;
+
hisi_zip_unregister_deflate(qm);
+
+unlock:
+ mutex_unlock(&zip_algs_lock);
}
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index 945ab3648a87..db4c964cd649 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -66,6 +66,7 @@
#define HZIP_SQE_SIZE 128
#define HZIP_PF_DEF_Q_NUM 64
#define HZIP_PF_DEF_Q_BASE 0
+#define HZIP_CTX_Q_NUM_DEF 2
#define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000
#define HZIP_SOFT_CTRL_CNT_CLR_CE_BIT BIT(0)
@@ -1231,10 +1232,11 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
pci_err(pdev, "failed to init debugfs (%d)!\n", ret);
- ret = hisi_qm_alg_register(qm, &zip_devices);
+ hisi_qm_add_list(qm, &zip_devices);
+ ret = hisi_qm_alg_register(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF);
if (ret < 0) {
pci_err(pdev, "failed to register driver to crypto!\n");
- goto err_qm_stop;
+ goto err_qm_del_list;
}
if (qm->uacce) {
@@ -1256,9 +1258,10 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
err_qm_alg_unregister:
- hisi_qm_alg_unregister(qm, &zip_devices);
+ hisi_qm_alg_unregister(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF);
-err_qm_stop:
+err_qm_del_list:
+ hisi_qm_del_list(qm, &zip_devices);
hisi_zip_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);
@@ -1278,7 +1281,8 @@ static void hisi_zip_remove(struct pci_dev *pdev)
hisi_qm_pm_uninit(qm);
hisi_qm_wait_task_finish(qm, &zip_devices);
- hisi_qm_alg_unregister(qm, &zip_devices);
+ hisi_qm_alg_unregister(qm, &zip_devices, HZIP_CTX_Q_NUM_DEF);
+ hisi_qm_del_list(qm, &zip_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num)
hisi_qm_sriov_disable(pdev, true);
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-14 01:38:03 +0300