diff options
Diffstat (limited to 'drivers/crypto/hisilicon/hpre')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_crypto.c | 25 | ||||
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_main.c | 14 |
2 files changed, 32 insertions, 7 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 9a1c61be32..764532a6ca 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 b97ce0ee71..3255b2a070 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 @@ -1411,10 +1412,11 @@ 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) { @@ -1436,9 +1438,10 @@ 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); @@ -1458,7 +1461,8 @@ 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); |