diff options
Diffstat (limited to 'drivers/crypto/qat/qat_c62xvf/adf_drv.c')
-rw-r--r-- | drivers/crypto/qat/qat_c62xvf/adf_drv.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/crypto/qat/qat_c62xvf/adf_drv.c b/drivers/crypto/qat/qat_c62xvf/adf_drv.c deleted file mode 100644 index 37566309df94..000000000000 --- a/drivers/crypto/qat/qat_c62xvf/adf_drv.c +++ /dev/null @@ -1,232 +0,0 @@ -// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) -/* Copyright(c) 2014 - 2020 Intel Corporation */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/fs.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/workqueue.h> -#include <linux/io.h> -#include <adf_accel_devices.h> -#include <adf_common_drv.h> -#include <adf_cfg.h> -#include "adf_c62xvf_hw_data.h" - -static const struct pci_device_id adf_pci_tbl[] = { - { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X_VF), }, - { } -}; -MODULE_DEVICE_TABLE(pci, adf_pci_tbl); - -static int adf_probe(struct pci_dev *dev, const struct pci_device_id *ent); -static void adf_remove(struct pci_dev *dev); - -static struct pci_driver adf_driver = { - .id_table = adf_pci_tbl, - .name = ADF_C62XVF_DEVICE_NAME, - .probe = adf_probe, - .remove = adf_remove, -}; - -static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev) -{ - pci_release_regions(accel_dev->accel_pci_dev.pci_dev); - pci_disable_device(accel_dev->accel_pci_dev.pci_dev); -} - -static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) -{ - struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev; - struct adf_accel_dev *pf; - int i; - - for (i = 0; i < ADF_PCI_MAX_BARS; i++) { - struct adf_bar *bar = &accel_pci_dev->pci_bars[i]; - - if (bar->virt_addr) - pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr); - } - - if (accel_dev->hw_device) { - switch (accel_pci_dev->pci_dev->device) { - case PCI_DEVICE_ID_INTEL_QAT_C62X_VF: - adf_clean_hw_data_c62xiov(accel_dev->hw_device); - break; - default: - break; - } - kfree(accel_dev->hw_device); - accel_dev->hw_device = NULL; - } - adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); - pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn); - adf_devmgr_rm_dev(accel_dev, pf); -} - -static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - struct adf_accel_dev *accel_dev; - struct adf_accel_dev *pf; - struct adf_accel_pci *accel_pci_dev; - struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; - unsigned int i, bar_nr; - unsigned long bar_mask; - int ret; - - switch (ent->device) { - case PCI_DEVICE_ID_INTEL_QAT_C62X_VF: - break; - default: - dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device); - return -ENODEV; - } - - accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, - dev_to_node(&pdev->dev)); - if (!accel_dev) - return -ENOMEM; - - accel_dev->is_vf = true; - pf = adf_devmgr_pci_to_accel_dev(pdev->physfn); - accel_pci_dev = &accel_dev->accel_pci_dev; - accel_pci_dev->pci_dev = pdev; - - /* Add accel device to accel table */ - if (adf_devmgr_add_dev(accel_dev, pf)) { - dev_err(&pdev->dev, "Failed to add new accelerator device.\n"); - kfree(accel_dev); - return -EFAULT; - } - INIT_LIST_HEAD(&accel_dev->crypto_list); - - accel_dev->owner = THIS_MODULE; - /* Allocate and configure device configuration structure */ - hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, - dev_to_node(&pdev->dev)); - if (!hw_data) { - ret = -ENOMEM; - goto out_err; - } - accel_dev->hw_device = hw_data; - adf_init_hw_data_c62xiov(accel_dev->hw_device); - - /* Get Accelerators and Accelerators Engines masks */ - hw_data->accel_mask = hw_data->get_accel_mask(hw_data); - hw_data->ae_mask = hw_data->get_ae_mask(hw_data); - accel_pci_dev->sku = hw_data->get_sku(hw_data); - - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - - /* Create device configuration table */ - ret = adf_cfg_dev_add(accel_dev); - if (ret) - goto out_err; - - /* enable PCI device */ - if (pci_enable_device(pdev)) { - ret = -EFAULT; - goto out_err; - } - - /* set dma identifier */ - ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48)); - if (ret) { - dev_err(&pdev->dev, "No usable DMA configuration\n"); - goto out_err_disable; - } - - if (pci_request_regions(pdev, ADF_C62XVF_DEVICE_NAME)) { - ret = -EFAULT; - goto out_err_disable; - } - - /* Find and map all the device's BARS */ - i = 0; - bar_mask = pci_select_bars(pdev, IORESOURCE_MEM); - for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) { - struct adf_bar *bar = &accel_pci_dev->pci_bars[i++]; - - bar->base_addr = pci_resource_start(pdev, bar_nr); - if (!bar->base_addr) - break; - bar->size = pci_resource_len(pdev, bar_nr); - bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0); - if (!bar->virt_addr) { - dev_err(&pdev->dev, "Failed to map BAR %d\n", bar_nr); - ret = -EFAULT; - goto out_err_free_reg; - } - } - pci_set_master(pdev); - /* Completion for VF2PF request/response message exchange */ - init_completion(&accel_dev->vf.msg_received); - - ret = adf_dev_up(accel_dev, false); - if (ret) - goto out_err_dev_stop; - - return ret; - -out_err_dev_stop: - adf_dev_down(accel_dev, false); -out_err_free_reg: - pci_release_regions(accel_pci_dev->pci_dev); -out_err_disable: - pci_disable_device(accel_pci_dev->pci_dev); -out_err: - adf_cleanup_accel(accel_dev); - kfree(accel_dev); - return ret; -} - -static void adf_remove(struct pci_dev *pdev) -{ - struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); - - if (!accel_dev) { - pr_err("QAT: Driver removal failed\n"); - return; - } - adf_flush_vf_wq(accel_dev); - adf_dev_down(accel_dev, false); - adf_cleanup_accel(accel_dev); - adf_cleanup_pci_dev(accel_dev); - kfree(accel_dev); -} - -static int __init adfdrv_init(void) -{ - request_module("intel_qat"); - - if (pci_register_driver(&adf_driver)) { - pr_err("QAT: Driver initialization failed\n"); - return -EFAULT; - } - return 0; -} - -static void __exit adfdrv_release(void) -{ - pci_unregister_driver(&adf_driver); - adf_clean_vf_map(true); -} - -module_init(adfdrv_init); -module_exit(adfdrv_release); - -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_AUTHOR("Intel"); -MODULE_DESCRIPTION("Intel(R) QuickAssist Technology"); -MODULE_VERSION(ADF_DRV_VERSION); |