diff options
Diffstat (limited to 'drivers/crypto/qat/qat_c3xxx')
| -rw-r--r-- | drivers/crypto/qat/qat_c3xxx/Makefile | 3 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c | 238 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.h | 83 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_c3xxx/adf_drv.c | 335 |
4 files changed, 659 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_c3xxx/Makefile b/drivers/crypto/qat/qat_c3xxx/Makefile new file mode 100644 index 000000000..8f5fd4838 --- /dev/null +++ b/drivers/crypto/qat/qat_c3xxx/Makefile @@ -0,0 +1,3 @@ +ccflags-y := -I$(src)/../qat_common +obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx.o +qat_c3xxx-objs := adf_drv.o adf_c3xxx_hw_data.o diff --git a/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c new file mode 100644 index 000000000..c5bd5a9ab --- /dev/null +++ b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c @@ -0,0 +1,238 @@ +/* + This file is provided under a dual BSD/GPLv2 license. When using or + redistributing this file, you may do so under either license. + + GPL LICENSE SUMMARY + Copyright(c) 2014 Intel Corporation. + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Contact Information: + qat-linux@intel.com + + BSD LICENSE + Copyright(c) 2014 Intel Corporation. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +#include <adf_accel_devices.h> +#include <adf_common_drv.h> +#include <adf_pf2vf_msg.h> +#include "adf_c3xxx_hw_data.h" + +/* Worker thread to service arbiter mappings based on dev SKUs */ +static const u32 thrd_to_arb_map_6_me_sku[] = { + 0x12222AAA, 0x11222AAA, 0x12222AAA, + 0x11222AAA, 0x12222AAA, 0x11222AAA +}; + +static struct adf_hw_device_class c3xxx_class = { + .name = ADF_C3XXX_DEVICE_NAME, + .type = DEV_C3XXX, + .instances = 0 +}; + +static u32 get_accel_mask(u32 fuse) +{ + return (~fuse) >> ADF_C3XXX_ACCELERATORS_REG_OFFSET & + ADF_C3XXX_ACCELERATORS_MASK; +} + +static u32 get_ae_mask(u32 fuse) +{ + return (~fuse) & ADF_C3XXX_ACCELENGINES_MASK; +} + +static u32 get_num_accels(struct adf_hw_device_data *self) +{ + u32 i, ctr = 0; + + if (!self || !self->accel_mask) + return 0; + + for (i = 0; i < ADF_C3XXX_MAX_ACCELERATORS; i++) { + if (self->accel_mask & (1 << i)) + ctr++; + } + return ctr; +} + +static u32 get_num_aes(struct adf_hw_device_data *self) +{ + u32 i, ctr = 0; + + if (!self || !self->ae_mask) + return 0; + + for (i = 0; i < ADF_C3XXX_MAX_ACCELENGINES; i++) { + if (self->ae_mask & (1 << i)) + ctr++; + } + return ctr; +} + +static u32 get_misc_bar_id(struct adf_hw_device_data *self) +{ + return ADF_C3XXX_PMISC_BAR; +} + +static u32 get_etr_bar_id(struct adf_hw_device_data *self) +{ + return ADF_C3XXX_ETR_BAR; +} + +static u32 get_sram_bar_id(struct adf_hw_device_data *self) +{ + return 0; +} + +static enum dev_sku_info get_sku(struct adf_hw_device_data *self) +{ + int aes = get_num_aes(self); + + if (aes == 6) + return DEV_SKU_4; + + return DEV_SKU_UNKNOWN; +} + +static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev, + u32 const **arb_map_config) +{ + switch (accel_dev->accel_pci_dev.sku) { + case DEV_SKU_4: + *arb_map_config = thrd_to_arb_map_6_me_sku; + break; + default: + dev_err(&GET_DEV(accel_dev), + "The configuration doesn't match any SKU"); + *arb_map_config = NULL; + } +} + +static u32 get_pf2vf_offset(u32 i) +{ + return ADF_C3XXX_PF2VF_OFFSET(i); +} + +static u32 get_vintmsk_offset(u32 i) +{ + return ADF_C3XXX_VINTMSK_OFFSET(i); +} + +static void adf_enable_error_correction(struct adf_accel_dev *accel_dev) +{ + struct adf_hw_device_data *hw_device = accel_dev->hw_device; + struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_C3XXX_PMISC_BAR]; + void __iomem *csr = misc_bar->virt_addr; + unsigned int val, i; + + /* Enable Accel Engine error detection & correction */ + for (i = 0; i < hw_device->get_num_aes(hw_device); i++) { + val = ADF_CSR_RD(csr, ADF_C3XXX_AE_CTX_ENABLES(i)); + val |= ADF_C3XXX_ENABLE_AE_ECC_ERR; + ADF_CSR_WR(csr, ADF_C3XXX_AE_CTX_ENABLES(i), val); + val = ADF_CSR_RD(csr, ADF_C3XXX_AE_MISC_CONTROL(i)); + val |= ADF_C3XXX_ENABLE_AE_ECC_PARITY_CORR; + ADF_CSR_WR(csr, ADF_C3XXX_AE_MISC_CONTROL(i), val); + } + + /* Enable shared memory error detection & correction */ + for (i = 0; i < hw_device->get_num_accels(hw_device); i++) { + val = ADF_CSR_RD(csr, ADF_C3XXX_UERRSSMSH(i)); + val |= ADF_C3XXX_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_C3XXX_UERRSSMSH(i), val); + val = ADF_CSR_RD(csr, ADF_C3XXX_CERRSSMSH(i)); + val |= ADF_C3XXX_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_C3XXX_CERRSSMSH(i), val); + } +} + +static void adf_enable_ints(struct adf_accel_dev *accel_dev) +{ + void __iomem *addr; + + addr = (&GET_BARS(accel_dev)[ADF_C3XXX_PMISC_BAR])->virt_addr; + + /* Enable bundle and misc interrupts */ + ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF0_MASK_OFFSET, + ADF_C3XXX_SMIA0_MASK); + ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF1_MASK_OFFSET, + ADF_C3XXX_SMIA1_MASK); +} + +static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev) +{ + return 0; +} + +void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class = &c3xxx_class; + hw_data->instance_id = c3xxx_class.instances++; + hw_data->num_banks = ADF_C3XXX_ETR_MAX_BANKS; + hw_data->num_accel = ADF_C3XXX_MAX_ACCELERATORS; + hw_data->num_logical_accel = 1; + hw_data->num_engines = ADF_C3XXX_MAX_ACCELENGINES; + hw_data->tx_rx_gap = ADF_C3XXX_RX_RINGS_OFFSET; + hw_data->tx_rings_mask = ADF_C3XXX_TX_RINGS_MASK; + hw_data->alloc_irq = adf_isr_resource_alloc; + hw_data->free_irq = adf_isr_resource_free; + hw_data->enable_error_correction = adf_enable_error_correction; + hw_data->get_accel_mask = get_accel_mask; + hw_data->get_ae_mask = get_ae_mask; + hw_data->get_num_accels = get_num_accels; + hw_data->get_num_aes = get_num_aes; + hw_data->get_sram_bar_id = get_sram_bar_id; + hw_data->get_etr_bar_id = get_etr_bar_id; + hw_data->get_misc_bar_id = get_misc_bar_id; + hw_data->get_pf2vf_offset = get_pf2vf_offset; + hw_data->get_vintmsk_offset = get_vintmsk_offset; + hw_data->get_sku = get_sku; + hw_data->fw_name = ADF_C3XXX_FW; + hw_data->fw_mmp_name = ADF_C3XXX_MMP; + hw_data->init_admin_comms = adf_init_admin_comms; + hw_data->exit_admin_comms = adf_exit_admin_comms; + hw_data->disable_iov = adf_disable_sriov; + hw_data->send_admin_init = adf_send_admin_init; + hw_data->init_arb = adf_init_arb; + hw_data->exit_arb = adf_exit_arb; + hw_data->get_arb_mapping = adf_get_arbiter_mapping; + hw_data->enable_ints = adf_enable_ints; + hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms; + hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION; +} + +void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class->instances--; +} diff --git a/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.h b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.h new file mode 100644 index 000000000..dd989e11f --- /dev/null +++ b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.h @@ -0,0 +1,83 @@ +/* + This file is provided under a dual BSD/GPLv2 license. When using or + redistributing this file, you may do so under either license. + + GPL LICENSE SUMMARY + Copyright(c) 2014 Intel Corporation. + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Contact Information: + qat-linux@intel.com + + BSD LICENSE + Copyright(c) 2014 Intel Corporation. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +#ifndef ADF_C3XXX_HW_DATA_H_ +#define ADF_C3XXX_HW_DATA_H_ + +/* PCIe configuration space */ +#define ADF_C3XXX_PMISC_BAR 0 +#define ADF_C3XXX_ETR_BAR 1 +#define ADF_C3XXX_RX_RINGS_OFFSET 8 +#define ADF_C3XXX_TX_RINGS_MASK 0xFF +#define ADF_C3XXX_MAX_ACCELERATORS 3 +#define ADF_C3XXX_MAX_ACCELENGINES 6 +#define ADF_C3XXX_ACCELERATORS_REG_OFFSET 16 +#define ADF_C3XXX_ACCELERATORS_MASK 0x3 +#define ADF_C3XXX_ACCELENGINES_MASK 0x3F +#define ADF_C3XXX_ETR_MAX_BANKS 16 +#define ADF_C3XXX_SMIAPF0_MASK_OFFSET (0x3A000 + 0x28) +#define ADF_C3XXX_SMIAPF1_MASK_OFFSET (0x3A000 + 0x30) +#define ADF_C3XXX_SMIA0_MASK 0xFFFF +#define ADF_C3XXX_SMIA1_MASK 0x1 +/* Error detection and correction */ +#define ADF_C3XXX_AE_CTX_ENABLES(i) (i * 0x1000 + 0x20818) +#define ADF_C3XXX_AE_MISC_CONTROL(i) (i * 0x1000 + 0x20960) +#define ADF_C3XXX_ENABLE_AE_ECC_ERR BIT(28) +#define ADF_C3XXX_ENABLE_AE_ECC_PARITY_CORR (BIT(24) | BIT(12)) +#define ADF_C3XXX_UERRSSMSH(i) (i * 0x4000 + 0x18) +#define ADF_C3XXX_CERRSSMSH(i) (i * 0x4000 + 0x10) +#define ADF_C3XXX_ERRSSMSH_EN BIT(3) + +#define ADF_C3XXX_PF2VF_OFFSET(i) (0x3A000 + 0x280 + ((i) * 0x04)) +#define ADF_C3XXX_VINTMSK_OFFSET(i) (0x3A000 + 0x200 + ((i) * 0x04)) + +/* Firmware Binary */ +#define ADF_C3XXX_FW "/*(DEBLOBBED)*/" +#define ADF_C3XXX_MMP "/*(DEBLOBBED)*/" + +void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data); +void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data); +#endif diff --git a/drivers/crypto/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/qat/qat_c3xxx/adf_drv.c new file mode 100644 index 000000000..e13bd08dd --- /dev/null +++ b/drivers/crypto/qat/qat_c3xxx/adf_drv.c @@ -0,0 +1,335 @@ +/* + This file is provided under a dual BSD/GPLv2 license. When using or + redistributing this file, you may do so under either license. + + GPL LICENSE SUMMARY + Copyright(c) 2014 Intel Corporation. + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + Contact Information: + qat-linux@intel.com + + BSD LICENSE + Copyright(c) 2014 Intel Corporation. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +#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_c3xxx_hw_data.h" + +#define ADF_SYSTEM_DEVICE(device_id) \ + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} + +static const struct pci_device_id adf_pci_tbl[] = { + ADF_SYSTEM_DEVICE(ADF_C3XXX_PCI_DEVICE_ID), + {0,} +}; +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_C3XXX_DEVICE_NAME, + .probe = adf_probe, + .remove = adf_remove, + .sriov_configure = adf_sriov_configure, +}; + +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; + 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 ADF_C3XXX_PCI_DEVICE_ID: + adf_clean_hw_data_c3xxx(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); + adf_devmgr_rm_dev(accel_dev, NULL); +} + +static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct adf_accel_dev *accel_dev; + 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; + int ret, bar_mask; + + switch (ent->device) { + case ADF_C3XXX_PCI_DEVICE_ID: + break; + default: + dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device); + return -ENODEV; + } + + if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) { + /* If the accelerator is connected to a node with no memory + * there is no point in using the accelerator since the remote + * memory transaction will be very slow. */ + dev_err(&pdev->dev, "Invalid NUMA configuration.\n"); + return -EINVAL; + } + + accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, + dev_to_node(&pdev->dev)); + if (!accel_dev) + return -ENOMEM; + + INIT_LIST_HEAD(&accel_dev->crypto_list); + accel_pci_dev = &accel_dev->accel_pci_dev; + accel_pci_dev->pci_dev = pdev; + + /* Add accel device to accel table. + * This should be called before adf_cleanup_accel is called */ + if (adf_devmgr_add_dev(accel_dev, NULL)) { + dev_err(&pdev->dev, "Failed to add new accelerator device.\n"); + kfree(accel_dev); + return -EFAULT; + } + + 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_c3xxx(accel_dev->hw_device); + pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid); + pci_read_config_dword(pdev, ADF_DEVICE_FUSECTL_OFFSET, + &hw_data->fuses); + + /* Get Accelerators and Accelerators Engines masks */ + hw_data->accel_mask = hw_data->get_accel_mask(hw_data->fuses); + hw_data->ae_mask = hw_data->get_ae_mask(hw_data->fuses); + accel_pci_dev->sku = hw_data->get_sku(hw_data); + /* If the device has no acceleration engines then ignore it. */ + if (!hw_data->accel_mask || !hw_data->ae_mask || + ((~hw_data->ae_mask) & 0x01)) { + dev_err(&pdev->dev, "No acceleration units found"); + ret = -EFAULT; + goto out_err; + } + + /* Create dev top level debugfs entry */ + snprintf(name, sizeof(name), "%s%s_%02x:%02d.%02d", + ADF_DEVICE_NAME_PREFIX, hw_data->dev_class->name, + pdev->bus->number, PCI_SLOT(pdev->devfn), + PCI_FUNC(pdev->devfn)); + + accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); + if (!accel_dev->debugfs_dir) { + dev_err(&pdev->dev, "Could not create debugfs dir %s\n", name); + ret = -EINVAL; + goto out_err; + } + + /* 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 */ + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { + if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) { + dev_err(&pdev->dev, "No usable DMA configuration\n"); + ret = -EFAULT; + goto out_err_disable; + } else { + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + } + + } else { + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + } + + if (pci_request_regions(pdev, ADF_C3XXX_DEVICE_NAME)) { + ret = -EFAULT; + goto out_err_disable; + } + + /* Read accelerator capabilities mask */ + pci_read_config_dword(pdev, ADF_DEVICE_LEGFUSE_OFFSET, + &hw_data->accel_capabilities_mask); + + /* Find and map all the device's BARS */ + i = 0; + bar_mask = pci_select_bars(pdev, IORESOURCE_MEM); + for_each_set_bit(bar_nr, (const unsigned long *)&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); + + if (adf_enable_aer(accel_dev, &adf_driver)) { + dev_err(&pdev->dev, "Failed to enable aer\n"); + ret = -EFAULT; + goto out_err_free_reg; + } + + if (pci_save_state(pdev)) { + dev_err(&pdev->dev, "Failed to save pci state\n"); + ret = -ENOMEM; + goto out_err_free_reg; + } + + ret = qat_crypto_dev_config(accel_dev); + if (ret) + goto out_err_free_reg; + + ret = adf_dev_init(accel_dev); + if (ret) + goto out_err_dev_shutdown; + + ret = adf_dev_start(accel_dev); + if (ret) + goto out_err_dev_stop; + + return ret; + +out_err_dev_stop: + adf_dev_stop(accel_dev); +out_err_dev_shutdown: + adf_dev_shutdown(accel_dev); +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; + } + if (adf_dev_stop(accel_dev)) + dev_err(&GET_DEV(accel_dev), "Failed to stop QAT accel dev\n"); + + adf_dev_shutdown(accel_dev); + adf_disable_aer(accel_dev); + 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); +} + +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); |