crypto: hisilicon - add device error report through abnormal irq

By configuring the device error in firmware to report through abnormal
interruption, process all NFE errors in irq handler.

Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Shukun Tan 2020-05-09 17:44:04 +08:00 committed by Herbert Xu
parent 3176637ac1
commit dbdc1ec31f
2 changed files with 187 additions and 153 deletions

View File

@ -219,6 +219,12 @@ enum vft_type {
CQC_VFT,
};
enum acc_err_result {
ACC_ERR_NONE,
ACC_ERR_NEED_RESET,
ACC_ERR_RECOVERED,
};
struct qm_cqe {
__le32 rsvd0;
__le16 cmd_id;
@ -315,7 +321,7 @@ struct hisi_qm_hw_ops {
int (*debug_init)(struct hisi_qm *qm);
void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe);
void (*hw_error_uninit)(struct hisi_qm *qm);
pci_ers_result_t (*hw_error_handle)(struct hisi_qm *qm);
enum acc_err_result (*hw_error_handle)(struct hisi_qm *qm);
};
static const char * const qm_debug_file_name[] = {
@ -704,46 +710,6 @@ static irqreturn_t qm_aeq_irq(int irq, void *data)
return IRQ_HANDLED;
}
static irqreturn_t qm_abnormal_irq(int irq, void *data)
{
return IRQ_HANDLED;
}
static int qm_irq_register(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
int ret;
ret = request_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR),
qm_irq, IRQF_SHARED, qm->dev_name, qm);
if (ret)
return ret;
if (qm->ver == QM_HW_V2) {
ret = request_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR),
qm_aeq_irq, IRQF_SHARED, qm->dev_name, qm);
if (ret)
goto err_aeq_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;
err_abonormal_irq:
free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
err_aeq_irq:
free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
return ret;
}
static void qm_irq_unregister(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
@ -1163,7 +1129,7 @@ static void qm_log_hw_error(struct hisi_qm *qm, u32 error_status)
}
}
static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm)
static enum acc_err_result qm_hw_error_handle_v2(struct hisi_qm *qm)
{
u32 error_status, tmp;
@ -1179,13 +1145,13 @@ static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm)
if (error_status == QM_DB_RANDOM_INVALID) {
writel(error_status, qm->io_base +
QM_ABNORMAL_INT_SOURCE);
return PCI_ERS_RESULT_RECOVERED;
return ACC_ERR_RECOVERED;
}
return PCI_ERS_RESULT_NEED_RESET;
return ACC_ERR_NEED_RESET;
}
return PCI_ERS_RESULT_RECOVERED;
return ACC_ERR_RECOVERED;
}
static const struct hisi_qm_hw_ops qm_hw_ops_v1 = {
@ -1942,100 +1908,6 @@ static void hisi_qm_pre_init(struct hisi_qm *qm)
qm->qp_in_used = 0;
}
/**
* hisi_qm_init() - Initialize configures about qm.
* @qm: The qm needing init.
*
* This function init qm, then we can call hisi_qm_start to put qm into work.
*/
int hisi_qm_init(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
struct device *dev = &pdev->dev;
unsigned int num_vec;
int ret;
hisi_qm_pre_init(qm);
ret = qm_alloc_uacce(qm);
if (ret < 0)
dev_warn(&pdev->dev, "fail to alloc uacce (%d)\n", ret);
ret = pci_enable_device_mem(pdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to enable device mem!\n");
goto err_remove_uacce;
}
ret = pci_request_mem_regions(pdev, qm->dev_name);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request mem regions!\n");
goto err_disable_pcidev;
}
qm->phys_base = pci_resource_start(pdev, PCI_BAR_2);
qm->phys_size = pci_resource_len(qm->pdev, PCI_BAR_2);
qm->io_base = ioremap(qm->phys_base, qm->phys_size);
if (!qm->io_base) {
ret = -EIO;
goto err_release_mem_regions;
}
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
if (ret < 0)
goto err_iounmap;
pci_set_master(pdev);
if (!qm->ops->get_irq_num) {
ret = -EOPNOTSUPP;
goto err_iounmap;
}
num_vec = qm->ops->get_irq_num(qm);
ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSI);
if (ret < 0) {
dev_err(dev, "Failed to enable MSI vectors!\n");
goto err_iounmap;
}
ret = qm_irq_register(qm);
if (ret)
goto err_free_irq_vectors;
if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V2) {
/* v2 starts to support get vft by mailbox */
ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
if (ret)
goto err_irq_unregister;
}
ret = hisi_qm_memory_init(qm);
if (ret)
goto err_irq_unregister;
INIT_WORK(&qm->work, qm_work_process);
atomic_set(&qm->status.flags, QM_INIT);
return 0;
err_irq_unregister:
qm_irq_unregister(qm);
err_free_irq_vectors:
pci_free_irq_vectors(pdev);
err_iounmap:
iounmap(qm->io_base);
err_release_mem_regions:
pci_release_mem_regions(pdev);
err_disable_pcidev:
pci_disable_device(pdev);
err_remove_uacce:
uacce_remove(qm->uacce);
qm->uacce = NULL;
return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_init);
/**
* hisi_qm_uninit() - Uninitialize qm.
* @qm: The qm needed uninit.
@ -2460,11 +2332,11 @@ static void qm_hw_error_uninit(struct hisi_qm *qm)
qm->ops->hw_error_uninit(qm);
}
static pci_ers_result_t qm_hw_error_handle(struct hisi_qm *qm)
static enum acc_err_result qm_hw_error_handle(struct hisi_qm *qm)
{
if (!qm->ops->hw_error_handle) {
dev_err(&qm->pdev->dev, "QM doesn't support hw error report!\n");
return PCI_ERS_RESULT_NONE;
return ACC_ERR_NONE;
}
return qm->ops->hw_error_handle(qm);
@ -2777,13 +2649,13 @@ int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs)
}
EXPORT_SYMBOL_GPL(hisi_qm_sriov_configure);
static pci_ers_result_t qm_dev_err_handle(struct hisi_qm *qm)
static enum acc_err_result qm_dev_err_handle(struct hisi_qm *qm)
{
u32 err_sts;
if (!qm->err_ini->get_dev_hw_err_status) {
dev_err(&qm->pdev->dev, "Device doesn't support get hw error status!\n");
return PCI_ERS_RESULT_NONE;
return ACC_ERR_NONE;
}
/* get device hardware error status */
@ -2794,20 +2666,19 @@ static pci_ers_result_t qm_dev_err_handle(struct hisi_qm *qm)
if (!qm->err_ini->log_dev_hw_err) {
dev_err(&qm->pdev->dev, "Device doesn't support log hw error!\n");
return PCI_ERS_RESULT_NEED_RESET;
return ACC_ERR_NEED_RESET;
}
qm->err_ini->log_dev_hw_err(qm, err_sts);
return PCI_ERS_RESULT_NEED_RESET;
return ACC_ERR_NEED_RESET;
}
return PCI_ERS_RESULT_RECOVERED;
return ACC_ERR_RECOVERED;
}
static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
static enum acc_err_result qm_process_dev_error(struct hisi_qm *qm)
{
struct hisi_qm *qm = pci_get_drvdata(pdev);
pci_ers_result_t qm_ret, dev_ret;
enum acc_err_result qm_ret, dev_ret;
/* log qm error */
qm_ret = qm_hw_error_handle(qm);
@ -2815,9 +2686,9 @@ static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
/* log device error */
dev_ret = qm_dev_err_handle(qm);
return (qm_ret == PCI_ERS_RESULT_NEED_RESET ||
dev_ret == PCI_ERS_RESULT_NEED_RESET) ?
PCI_ERS_RESULT_NEED_RESET : PCI_ERS_RESULT_RECOVERED;
return (qm_ret == ACC_ERR_NEED_RESET ||
dev_ret == ACC_ERR_NEED_RESET) ?
ACC_ERR_NEED_RESET : ACC_ERR_RECOVERED;
}
/**
@ -2831,6 +2702,9 @@ static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
struct hisi_qm *qm = pci_get_drvdata(pdev);
enum acc_err_result ret;
if (pdev->is_virtfn)
return PCI_ERS_RESULT_NONE;
@ -2838,7 +2712,11 @@ pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
if (state == pci_channel_io_perm_failure)
return PCI_ERS_RESULT_DISCONNECT;
return qm_process_dev_error(pdev);
ret = qm_process_dev_error(qm);
if (ret == ACC_ERR_NEED_RESET)
return PCI_ERS_RESULT_NEED_RESET;
return PCI_ERS_RESULT_RECOVERED;
}
EXPORT_SYMBOL_GPL(hisi_qm_dev_err_detected);
@ -3428,6 +3306,161 @@ flr_done:
}
EXPORT_SYMBOL_GPL(hisi_qm_reset_done);
static irqreturn_t qm_abnormal_irq(int irq, void *data)
{
struct hisi_qm *qm = data;
enum acc_err_result ret;
ret = qm_process_dev_error(qm);
if (ret == ACC_ERR_NEED_RESET)
schedule_work(&qm->rst_work);
return IRQ_HANDLED;
}
static int qm_irq_register(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
int ret;
ret = request_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR),
qm_irq, IRQF_SHARED, qm->dev_name, qm);
if (ret)
return ret;
if (qm->ver == QM_HW_V2) {
ret = request_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR),
qm_aeq_irq, IRQF_SHARED, qm->dev_name, qm);
if (ret)
goto err_aeq_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;
err_abonormal_irq:
free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
err_aeq_irq:
free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
return ret;
}
static void hisi_qm_controller_reset(struct work_struct *rst_work)
{
struct hisi_qm *qm = container_of(rst_work, struct hisi_qm, rst_work);
int ret;
/* reset pcie device controller */
ret = qm_controller_reset(qm);
if (ret)
dev_err(&qm->pdev->dev, "controller reset failed (%d)\n", ret);
}
/**
* hisi_qm_init() - Initialize configures about qm.
* @qm: The qm needing init.
*
* This function init qm, then we can call hisi_qm_start to put qm into work.
*/
int hisi_qm_init(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
struct device *dev = &pdev->dev;
unsigned int num_vec;
int ret;
hisi_qm_pre_init(qm);
ret = qm_alloc_uacce(qm);
if (ret < 0)
dev_warn(&pdev->dev, "fail to alloc uacce (%d)\n", ret);
ret = pci_enable_device_mem(pdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to enable device mem!\n");
goto err_remove_uacce;
}
ret = pci_request_mem_regions(pdev, qm->dev_name);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request mem regions!\n");
goto err_disable_pcidev;
}
qm->phys_base = pci_resource_start(pdev, PCI_BAR_2);
qm->phys_size = pci_resource_len(qm->pdev, PCI_BAR_2);
qm->io_base = ioremap(qm->phys_base, qm->phys_size);
if (!qm->io_base) {
ret = -EIO;
goto err_release_mem_regions;
}
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
if (ret < 0)
goto err_iounmap;
pci_set_master(pdev);
if (!qm->ops->get_irq_num) {
ret = -EOPNOTSUPP;
goto err_iounmap;
}
num_vec = qm->ops->get_irq_num(qm);
ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSI);
if (ret < 0) {
dev_err(dev, "Failed to enable MSI vectors!\n");
goto err_iounmap;
}
ret = qm_irq_register(qm);
if (ret)
goto err_free_irq_vectors;
if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V2) {
/* v2 starts to support get vft by mailbox */
ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
if (ret)
goto err_irq_unregister;
}
ret = hisi_qm_memory_init(qm);
if (ret)
goto err_irq_unregister;
INIT_WORK(&qm->work, qm_work_process);
if (qm->fun_type == QM_HW_PF)
INIT_WORK(&qm->rst_work, hisi_qm_controller_reset);
atomic_set(&qm->status.flags, QM_INIT);
return 0;
err_irq_unregister:
qm_irq_unregister(qm);
err_free_irq_vectors:
pci_free_irq_vectors(pdev);
err_iounmap:
iounmap(qm->io_base);
err_release_mem_regions:
pci_release_mem_regions(pdev);
err_disable_pcidev:
pci_disable_device(pdev);
err_remove_uacce:
uacce_remove(qm->uacce);
qm->uacce = NULL;
return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_init);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
MODULE_DESCRIPTION("HiSilicon Accelerator queue manager driver");

View File

@ -226,6 +226,7 @@ struct hisi_qm {
struct workqueue_struct *wq;
struct work_struct work;
struct work_struct rst_work;
const char *algs;
bool use_sva;