diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_sriov.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_sriov.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_sriov.c b/drivers/crypto/qat/qat_common/adf_sriov.c index 971a05d62418..b960bca1f9d2 100644 --- a/drivers/crypto/qat/qat_common/adf_sriov.c +++ b/drivers/crypto/qat/qat_common/adf_sriov.c @@ -126,6 +126,32 @@ void adf_disable_sriov(struct adf_accel_dev *accel_dev) } EXPORT_SYMBOL_GPL(adf_disable_sriov); +static int adf_sriov_prepare_restart(struct adf_accel_dev *accel_dev) +{ + char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0}; + int ret; + + ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC, + ADF_SERVICES_ENABLED, services); + + adf_dev_stop(accel_dev); + adf_dev_shutdown(accel_dev); + + if (!ret) { + ret = adf_cfg_section_add(accel_dev, ADF_GENERAL_SEC); + if (ret) + return ret; + + ret = adf_cfg_add_key_value_param(accel_dev, ADF_GENERAL_SEC, + ADF_SERVICES_ENABLED, + services, ADF_STR); + if (ret) + return ret; + } + + return 0; +} + /** * adf_sriov_configure() - Enable SRIOV for the device * @pdev: Pointer to PCI device. @@ -165,8 +191,9 @@ int adf_sriov_configure(struct pci_dev *pdev, int numvfs) return -EBUSY; } - adf_dev_stop(accel_dev); - adf_dev_shutdown(accel_dev); + ret = adf_sriov_prepare_restart(accel_dev); + if (ret) + return ret; } if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC)) |