diff options
Diffstat (limited to 'drivers/crypto/hisilicon/qm.c')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index edc6fd44e7ca..a99fd589445c 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -88,6 +88,8 @@ #define QM_DB_PRIORITY_SHIFT_V1 48 #define QM_PAGE_SIZE 0x0034 #define QM_QP_DB_INTERVAL 0x10000 +#define QM_DB_TIMEOUT_CFG 0x100074 +#define QM_DB_TIMEOUT_SET 0x1fffff #define QM_MEM_START_INIT 0x100040 #define QM_MEM_INIT_DONE 0x100044 @@ -954,6 +956,11 @@ static irqreturn_t qm_mb_cmd_irq(int irq, void *data) if (!val) return IRQ_NONE; + if (test_bit(QM_DRIVER_REMOVING, &qm->misc_ctl)) { + dev_warn(&qm->pdev->dev, "Driver is down, message cannot be processed!\n"); + return IRQ_HANDLED; + } + schedule_work(&qm->cmd_process); return IRQ_HANDLED; @@ -997,7 +1004,7 @@ static void qm_reset_function(struct hisi_qm *qm) return; } - ret = hisi_qm_stop(qm, QM_FLR); + ret = hisi_qm_stop(qm, QM_DOWN); if (ret) { dev_err(dev, "failed to stop qm when reset function\n"); goto clear_bit; @@ -2743,6 +2750,9 @@ void hisi_qm_wait_task_finish(struct hisi_qm *qm, struct hisi_qm_list *qm_list) test_bit(QM_RESETTING, &qm->misc_ctl)) msleep(WAIT_PERIOD); + if (test_bit(QM_SUPPORT_MB_COMMAND, &qm->caps)) + flush_work(&qm->cmd_process); + udelay(REMOVE_WAIT_DELAY); } EXPORT_SYMBOL_GPL(hisi_qm_wait_task_finish); @@ -3243,7 +3253,7 @@ int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r) } if (qm->status.stop_reason == QM_SOFT_RESET || - qm->status.stop_reason == QM_FLR) { + qm->status.stop_reason == QM_DOWN) { hisi_qm_set_hw_reset(qm, QM_RESET_STOP_TX_OFFSET); ret = qm_stop_started_qp(qm); if (ret < 0) { @@ -4539,11 +4549,11 @@ void hisi_qm_reset_prepare(struct pci_dev *pdev) if (qm->fun_type == QM_HW_PF) qm_cmd_uninit(qm); - ret = qm_try_stop_vfs(qm, QM_PF_FLR_PREPARE, QM_FLR); + ret = qm_try_stop_vfs(qm, QM_PF_FLR_PREPARE, QM_DOWN); if (ret) pci_err(pdev, "failed to stop vfs by pf in FLR.\n"); - ret = hisi_qm_stop(qm, QM_FLR); + ret = hisi_qm_stop(qm, QM_DOWN); if (ret) { pci_err(pdev, "Failed to stop QM, ret = %d.\n", ret); hisi_qm_set_hw_reset(qm, QM_RESET_STOP_TX_OFFSET); @@ -4641,9 +4651,11 @@ void hisi_qm_dev_shutdown(struct pci_dev *pdev) struct hisi_qm *qm = pci_get_drvdata(pdev); int ret; - ret = hisi_qm_stop(qm, QM_NORMAL); + ret = hisi_qm_stop(qm, QM_DOWN); if (ret) dev_err(&pdev->dev, "Fail to stop qm in shutdown!\n"); + + hisi_qm_cache_wb(qm); } EXPORT_SYMBOL_GPL(hisi_qm_dev_shutdown); @@ -4807,7 +4819,7 @@ static void qm_handle_cmd_msg(struct hisi_qm *qm, u32 fun_num) cmd = msg & QM_MB_CMD_DATA_MASK; switch (cmd) { case QM_PF_FLR_PREPARE: - qm_pf_reset_vf_process(qm, QM_FLR); + qm_pf_reset_vf_process(qm, QM_DOWN); break; case QM_PF_SRST_PREPARE: qm_pf_reset_vf_process(qm, QM_SOFT_RESET); @@ -5371,6 +5383,8 @@ int hisi_qm_init(struct hisi_qm *qm) goto err_pci_init; if (qm->fun_type == QM_HW_PF) { + /* Set the doorbell timeout to QM_DB_TIMEOUT_CFG ns. */ + writel(QM_DB_TIMEOUT_SET, qm->io_base + QM_DB_TIMEOUT_CFG); qm_disable_clock_gate(qm); ret = qm_dev_mem_reset(qm); if (ret) { @@ -5538,6 +5552,8 @@ static int qm_rebuild_for_resume(struct hisi_qm *qm) qm_cmd_init(qm); hisi_qm_dev_err_init(qm); + /* Set the doorbell timeout to QM_DB_TIMEOUT_CFG ns. */ + writel(QM_DB_TIMEOUT_SET, qm->io_base + QM_DB_TIMEOUT_CFG); qm_disable_clock_gate(qm); ret = qm_dev_mem_reset(qm); if (ret) |