diff options
Diffstat (limited to 'drivers/crypto/hisilicon/qm.c')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 97 |
1 files changed, 79 insertions, 18 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index c095d4747812..4f6bbdd4a25b 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -16,6 +16,7 @@ #define QM_VF_EQ_INT_MASK 0xc #define QM_IRQ_NUM_V1 1 #define QM_IRQ_NUM_PF_V2 4 +#define QM_IRQ_NUM_VF_V2 2 #define QM_EQ_EVENT_IRQ_VECTOR 0 #define QM_AEQ_EVENT_IRQ_VECTOR 1 @@ -265,6 +266,7 @@ struct qm_doorbell { }; struct hisi_qm_hw_ops { + int (*get_vft)(struct hisi_qm *qm, u32 *base, u32 *number); void (*qm_db)(struct hisi_qm *qm, u16 qn, u8 cmd, u16 index, u8 priority); u32 (*get_irq_num)(struct hisi_qm *qm); @@ -422,7 +424,10 @@ static u32 qm_get_irq_num_v1(struct hisi_qm *qm) static u32 qm_get_irq_num_v2(struct hisi_qm *qm) { - return QM_IRQ_NUM_PF_V2; + if (qm->fun_type == QM_HW_PF) + return QM_IRQ_NUM_PF_V2; + else + return QM_IRQ_NUM_VF_V2; } static struct hisi_qp *qm_to_hisi_qp(struct hisi_qm *qm, struct qm_eqe *eqe) @@ -591,12 +596,14 @@ static int qm_irq_register(struct hisi_qm *qm) if (ret) goto err_aeq_irq; - ret = request_irq(pci_irq_vector(pdev, - QM_ABNORMAL_EVENT_IRQ_VECTOR), - qm_abnormal_irq, IRQF_SHARED, - qm->dev_name, qm); - if (ret) - goto err_abonormal_irq; + if (qm->fun_type == QM_HW_PF) { + ret = request_irq(pci_irq_vector(pdev, + QM_ABNORMAL_EVENT_IRQ_VECTOR), + qm_abnormal_irq, IRQF_SHARED, + qm->dev_name, qm); + if (ret) + goto err_abonormal_irq; + } } return 0; @@ -616,8 +623,10 @@ static void qm_irq_unregister(struct hisi_qm *qm) if (qm->ver == QM_HW_V2) { free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm); - free_irq(pci_irq_vector(pdev, - QM_ABNORMAL_EVENT_IRQ_VECTOR), qm); + + if (qm->fun_type == QM_HW_PF) + free_irq(pci_irq_vector(pdev, + QM_ABNORMAL_EVENT_IRQ_VECTOR), qm); } } @@ -717,6 +726,24 @@ static int qm_set_sqc_cqc_vft(struct hisi_qm *qm, u32 fun_num, u32 base, return 0; } +static int qm_get_vft_v2(struct hisi_qm *qm, u32 *base, u32 *number) +{ + u64 sqc_vft; + int ret; + + ret = qm_mb(qm, QM_MB_CMD_SQC_VFT_V2, 0, 0, 1); + if (ret) + return ret; + + sqc_vft = readl(qm->io_base + QM_MB_CMD_DATA_ADDR_L) | + ((u64)readl(qm->io_base + QM_MB_CMD_DATA_ADDR_H) << 32); + *base = QM_SQC_VFT_BASE_MASK_V2 & (sqc_vft >> QM_SQC_VFT_BASE_SHIFT_V2); + *number = (QM_SQC_VFT_NUM_MASK_v2 & + (sqc_vft >> QM_SQC_VFT_NUM_SHIFT_V2)) + 1; + + return 0; +} + static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe, u32 msi) { @@ -815,6 +842,7 @@ static const struct hisi_qm_hw_ops qm_hw_ops_v1 = { }; static const struct hisi_qm_hw_ops qm_hw_ops_v2 = { + .get_vft = qm_get_vft_v2, .qm_db = qm_db_v2, .get_irq_num = qm_get_irq_num_v2, .hw_error_init = qm_hw_error_init_v2, @@ -1195,6 +1223,9 @@ int hisi_qm_init(struct hisi_qm *qm) mutex_init(&qm->mailbox_lock); rwlock_init(&qm->qps_lock); + dev_dbg(dev, "init qm %s with %s\n", pdev->is_physfn ? "pf" : "vf", + qm->use_dma_api ? "dma api" : "iommu api"); + return 0; err_free_irq_vectors: @@ -1237,6 +1268,32 @@ void hisi_qm_uninit(struct hisi_qm *qm) EXPORT_SYMBOL_GPL(hisi_qm_uninit); /** + * hisi_qm_get_vft() - Get vft from a qm. + * @qm: The qm we want to get its vft. + * @base: The base number of queue in vft. + * @number: The number of queues in vft. + * + * We can allocate multiple queues to a qm by configuring virtual function + * table. We get related configures by this function. Normally, we call this + * function in VF driver to get the queue information. + * + * qm hw v1 does not support this interface. + */ +int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number) +{ + if (!base || !number) + return -EINVAL; + + if (!qm->ops->get_vft) { + dev_err(&qm->pdev->dev, "Don't support vft read!\n"); + return -EINVAL; + } + + return qm->ops->get_vft(qm, base, number); +} +EXPORT_SYMBOL_GPL(hisi_qm_get_vft); + +/** * hisi_qm_set_vft() - Set "virtual function table" for a qm. * @fun_num: Number of operated function. * @qm: The qm in which to set vft, alway in a PF. @@ -1344,13 +1401,15 @@ static int __hisi_qm_start(struct hisi_qm *qm) if (qm->qp_num == 0) return -EINVAL; - ret = qm_dev_mem_reset(qm); - if (ret) - return ret; + if (qm->fun_type == QM_HW_PF) { + ret = qm_dev_mem_reset(qm); + if (ret) + return ret; - ret = hisi_qm_set_vft(qm, 0, qm->qp_base, qm->qp_num); - if (ret) - return ret; + ret = hisi_qm_set_vft(qm, 0, qm->qp_base, qm->qp_num); + if (ret) + return ret; + } QM_INIT_BUF(qm, eqe, QM_Q_DEPTH); QM_INIT_BUF(qm, aeqe, QM_Q_DEPTH); @@ -1469,9 +1528,11 @@ int hisi_qm_stop(struct hisi_qm *qm) } } - ret = hisi_qm_set_vft(qm, 0, 0, 0); - if (ret < 0) - dev_err(dev, "Failed to set vft!\n"); + if (qm->fun_type == QM_HW_PF) { + ret = hisi_qm_set_vft(qm, 0, 0, 0); + if (ret < 0) + dev_err(dev, "Failed to set vft!\n"); + } return ret; } |