diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index f9acf7ecc41b..d4c6a601c5f2 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -315,6 +315,13 @@ enum qm_basic_type { QM_VF_IRQ_NUM_CAP, }; +enum qm_pre_store_cap_idx { + QM_EQ_IRQ_TYPE_CAP_IDX = 0x0, + QM_AEQ_IRQ_TYPE_CAP_IDX, + QM_ABN_IRQ_TYPE_CAP_IDX, + QM_PF2VF_IRQ_TYPE_CAP_IDX, +}; + static const struct hisi_qm_cap_info qm_cap_info_comm[] = { {QM_SUPPORT_DB_ISOLATION, 0x30, 0, BIT(0), 0x0, 0x0, 0x0}, {QM_SUPPORT_FUNC_QOS, 0x3100, 0, BIT(8), 0x0, 0x0, 0x1}, @@ -344,6 +351,13 @@ static const struct hisi_qm_cap_info qm_basic_info[] = { {QM_VF_IRQ_NUM_CAP, 0x311c, 0, GENMASK(15, 0), 0x1, 0x2, 0x3}, }; +static const u32 qm_pre_store_caps[] = { + QM_EQ_IRQ_TYPE_CAP, + QM_AEQ_IRQ_TYPE_CAP, + QM_ABN_IRQ_TYPE_CAP, + QM_PF2VF_IRQ_TYPE_CAP, +}; + struct qm_mailbox { __le16 w0; __le16 queue_num; @@ -4804,7 +4818,7 @@ static void qm_unregister_abnormal_irq(struct hisi_qm *qm) if (qm->fun_type == QM_HW_VF) return; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_ABN_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_ABN_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_ABN_IRQ_TYPE_MASK)) return; @@ -4821,7 +4835,7 @@ static int qm_register_abnormal_irq(struct hisi_qm *qm) if (qm->fun_type == QM_HW_VF) return 0; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_ABN_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_ABN_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_ABN_IRQ_TYPE_MASK)) return 0; @@ -4838,7 +4852,7 @@ static void qm_unregister_mb_cmd_irq(struct hisi_qm *qm) struct pci_dev *pdev = qm->pdev; u32 irq_vector, val; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_PF2VF_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_PF2VF_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return; @@ -4852,7 +4866,7 @@ static int qm_register_mb_cmd_irq(struct hisi_qm *qm) u32 irq_vector, val; int ret; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_PF2VF_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_PF2VF_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return 0; @@ -4869,7 +4883,7 @@ static void qm_unregister_aeq_irq(struct hisi_qm *qm) struct pci_dev *pdev = qm->pdev; u32 irq_vector, val; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_AEQ_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_AEQ_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return; @@ -4883,7 +4897,7 @@ static int qm_register_aeq_irq(struct hisi_qm *qm) u32 irq_vector, val; int ret; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_AEQ_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_AEQ_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return 0; @@ -4901,7 +4915,7 @@ static void qm_unregister_eq_irq(struct hisi_qm *qm) struct pci_dev *pdev = qm->pdev; u32 irq_vector, val; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_EQ_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_EQ_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return; @@ -4915,7 +4929,7 @@ static int qm_register_eq_irq(struct hisi_qm *qm) u32 irq_vector, val; int ret; - val = hisi_qm_get_hw_info(qm, qm_basic_info, QM_EQ_IRQ_TYPE_CAP, qm->cap_ver); + val = qm->cap_tables.qm_cap_table[QM_EQ_IRQ_TYPE_CAP_IDX].cap_val; if (!((val >> QM_IRQ_TYPE_SHIFT) & QM_IRQ_TYPE_MASK)) return 0; @@ -5003,7 +5017,29 @@ static int qm_get_qp_num(struct hisi_qm *qm) return 0; } -static void qm_get_hw_caps(struct hisi_qm *qm) +static int qm_pre_store_irq_type_caps(struct hisi_qm *qm) +{ + struct hisi_qm_cap_record *qm_cap; + struct pci_dev *pdev = qm->pdev; + size_t i, size; + + size = ARRAY_SIZE(qm_pre_store_caps); + qm_cap = devm_kzalloc(&pdev->dev, sizeof(*qm_cap) * size, GFP_KERNEL); + if (!qm_cap) + return -ENOMEM; + + for (i = 0; i < size; i++) { + qm_cap[i].type = qm_pre_store_caps[i]; + qm_cap[i].cap_val = hisi_qm_get_hw_info(qm, qm_basic_info, + qm_pre_store_caps[i], qm->cap_ver); + } + + qm->cap_tables.qm_cap_table = qm_cap; + + return 0; +} + +static int qm_get_hw_caps(struct hisi_qm *qm) { const struct hisi_qm_cap_info *cap_info = qm->fun_type == QM_HW_PF ? qm_cap_info_pf : qm_cap_info_vf; @@ -5034,6 +5070,9 @@ static void qm_get_hw_caps(struct hisi_qm *qm) if (val) set_bit(cap_info[i].type, &qm->caps); } + + /* Fetch and save the value of irq type related capability registers */ + return qm_pre_store_irq_type_caps(qm); } static int qm_get_pci_res(struct hisi_qm *qm) @@ -5055,7 +5094,10 @@ static int qm_get_pci_res(struct hisi_qm *qm) goto err_request_mem_regions; } - qm_get_hw_caps(qm); + ret = qm_get_hw_caps(qm); + if (ret) + goto err_ioremap; + if (test_bit(QM_SUPPORT_DB_ISOLATION, &qm->caps)) { qm->db_interval = QM_QP_DB_INTERVAL; qm->db_phys_base = pci_resource_start(pdev, PCI_BAR_4); diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h index 41203ce27d64..241b0dc3183e 100644 --- a/include/linux/hisi_acc_qm.h +++ b/include/linux/hisi_acc_qm.h @@ -266,6 +266,16 @@ struct hisi_qm_cap_info { u32 v3_val; }; +struct hisi_qm_cap_record { + u32 type; + u32 cap_val; +}; + +struct hisi_qm_cap_tables { + struct hisi_qm_cap_record *qm_cap_table; + struct hisi_qm_cap_record *dev_cap_table; +}; + struct hisi_qm_list { struct mutex lock; struct list_head list; @@ -348,6 +358,8 @@ struct hisi_qm { struct qm_shaper_factor *factor; u32 mb_qos; u32 type_rate; + + struct hisi_qm_cap_tables cap_tables; }; struct hisi_qp_status {