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crypto: qat - add support for c62x accel type 

Add support for qat c62x accel type

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tadeusz Struk 2015-12-04 16:56:40 -08:00 committed by Herbert Xu
parent 890c55f4dc
commit a6dabee6c8
7 changed files with 683 additions and 0 deletions
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11
drivers/crypto/qat/Kconfig
View File

@ -33,6 +33,17 @@ config CRYPTO_DEV_QAT_C3XXX
To compile this as a module, choose M here: the module
will be called qat_c3xxx.
config CRYPTO_DEV_QAT_C62X
tristate "Support for Intel(R) C62X"
depends on X86 && PCI
select CRYPTO_DEV_QAT
help
Support for Intel(R) C62x with Intel(R) QuickAssist Technology
for accelerating crypto and compression workloads.
To compile this as a module, choose M here: the module
will be called qat_c62x.
config CRYPTO_DEV_QAT_DH895xCCVF
tristate "Support for Intel(R) DH895xCC Virtual Function"
depends on X86 && PCI

1
drivers/crypto/qat/Makefile
View File

@ -1,4 +1,5 @@
obj-$(CONFIG_CRYPTO_DEV_QAT) += qat_common/
obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc/
obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx/
obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x/
obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCCVF) += qat_dh895xccvf/

3
drivers/crypto/qat/qat_c62x/Makefile Normal file
View File

@ -0,0 +1,3 @@
ccflags-y := -I$(src)/../qat_common
obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x.o
qat_c62x-objs := adf_drv.o adf_c62x_hw_data.o

248
drivers/crypto/qat/qat_c62x/adf_c62x_hw_data.c Normal file
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@ -0,0 +1,248 @@
/*
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_c62x_hw_data.h"
/* Worker thread to service arbiter mappings based on dev SKUs */
static const u32 thrd_to_arb_map_8_me_sku[] = {
0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
0x11222AAA, 0x12222AAA, 0x11222AAA, 0, 0
};
static const u32 thrd_to_arb_map_10_me_sku[] = {
0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA
};
static struct adf_hw_device_class c62x_class = {
.name = ADF_C62X_DEVICE_NAME,
.type = DEV_C62X,
.instances = 0
};
static u32 get_accel_mask(u32 fuse)
{
return (~fuse) >> ADF_C62X_ACCELERATORS_REG_OFFSET &
ADF_C62X_ACCELERATORS_MASK;
}
static u32 get_ae_mask(u32 fuse)
{
return (~fuse) & ADF_C62X_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_C62X_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_C62X_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_C62X_PMISC_BAR;
}
static u32 get_etr_bar_id(struct adf_hw_device_data *self)
{
return ADF_C62X_ETR_BAR;
}
static u32 get_sram_bar_id(struct adf_hw_device_data *self)
{
return ADF_C62X_SRAM_BAR;
}
static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
{
int aes = get_num_aes(self);
if (aes == 8)
return DEV_SKU_2;
else if (aes == 10)
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_2:
*arb_map_config = thrd_to_arb_map_8_me_sku;
break;
case DEV_SKU_4:
*arb_map_config = thrd_to_arb_map_10_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_C62X_PF2VF_OFFSET(i);
}
static u32 get_vintmsk_offset(u32 i)
{
return ADF_C62X_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_C62X_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_C62X_AE_CTX_ENABLES(i));
val |= ADF_C62X_ENABLE_AE_ECC_ERR;
ADF_CSR_WR(csr, ADF_C62X_AE_CTX_ENABLES(i), val);
val = ADF_CSR_RD(csr, ADF_C62X_AE_MISC_CONTROL(i));
val |= ADF_C62X_ENABLE_AE_ECC_PARITY_CORR;
ADF_CSR_WR(csr, ADF_C62X_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_C62X_UERRSSMSH(i));
val |= ADF_C62X_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_C62X_UERRSSMSH(i), val);
val = ADF_CSR_RD(csr, ADF_C62X_CERRSSMSH(i));
val |= ADF_C62X_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_C62X_CERRSSMSH(i), val);
}
}
static void adf_enable_ints(struct adf_accel_dev *accel_dev)
{
void __iomem *addr;
addr = (&GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR])->virt_addr;
/* Enable bundle and misc interrupts */
ADF_CSR_WR(addr, ADF_C62X_SMIAPF0_MASK_OFFSET,
ADF_C62X_SMIA0_MASK);
ADF_CSR_WR(addr, ADF_C62X_SMIAPF1_MASK_OFFSET,
ADF_C62X_SMIA1_MASK);
}
static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
{
return 0;
}
void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class = &c62x_class;
hw_data->instance_id = c62x_class.instances++;
hw_data->num_banks = ADF_C62X_ETR_MAX_BANKS;
hw_data->num_accel = ADF_C62X_MAX_ACCELERATORS;
hw_data->num_logical_accel = 1;
hw_data->num_engines = ADF_C62X_MAX_ACCELENGINES;
hw_data->tx_rx_gap = ADF_C62X_RX_RINGS_OFFSET;
hw_data->tx_rings_mask = ADF_C62X_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_C62X_FW;
hw_data->fw_mmp_name = ADF_C62X_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_c62x(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class->instances--;
}

84
drivers/crypto/qat/qat_c62x/adf_c62x_hw_data.h Normal file
View File

@ -0,0 +1,84 @@
/*
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_C62X_HW_DATA_H_
#define ADF_C62X_HW_DATA_H_
/* PCIe configuration space */
#define ADF_C62X_SRAM_BAR 0
#define ADF_C62X_PMISC_BAR 1
#define ADF_C62X_ETR_BAR 2
#define ADF_C62X_RX_RINGS_OFFSET 8
#define ADF_C62X_TX_RINGS_MASK 0xFF
#define ADF_C62X_MAX_ACCELERATORS 5
#define ADF_C62X_MAX_ACCELENGINES 10
#define ADF_C62X_ACCELERATORS_REG_OFFSET 16
#define ADF_C62X_ACCELERATORS_MASK 0x1F
#define ADF_C62X_ACCELENGINES_MASK 0x3FF
#define ADF_C62X_ETR_MAX_BANKS 16
#define ADF_C62X_SMIAPF0_MASK_OFFSET (0x3A000 + 0x28)
#define ADF_C62X_SMIAPF1_MASK_OFFSET (0x3A000 + 0x30)
#define ADF_C62X_SMIA0_MASK 0xFFFF
#define ADF_C62X_SMIA1_MASK 0x1
/* Error detection and correction */
#define ADF_C62X_AE_CTX_ENABLES(i) (i * 0x1000 + 0x20818)
#define ADF_C62X_AE_MISC_CONTROL(i) (i * 0x1000 + 0x20960)
#define ADF_C62X_ENABLE_AE_ECC_ERR BIT(28)
#define ADF_C62X_ENABLE_AE_ECC_PARITY_CORR (BIT(24) | BIT(12))
#define ADF_C62X_UERRSSMSH(i) (i * 0x4000 + 0x18)
#define ADF_C62X_CERRSSMSH(i) (i * 0x4000 + 0x10)
#define ADF_C62X_ERRSSMSH_EN BIT(3)
#define ADF_C62X_PF2VF_OFFSET(i) (0x3A000 + 0x280 + ((i) * 0x04))
#define ADF_C62X_VINTMSK_OFFSET(i) (0x3A000 + 0x200 + ((i) * 0x04))
/* Firmware Binary */
#define ADF_C62X_FW "qat_c62x.bin"
#define ADF_C62X_MMP "qat_c62x_mmp.bin"
void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data);
void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data);
#endif

335
drivers/crypto/qat/qat_c62x/adf_drv.c Normal file
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@ -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_c62x_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_C62X_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_C62X_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_C62X_PCI_DEVICE_ID:
adf_clean_hw_data_c62x(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_C62X_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_c62x(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_C62X_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);

1
drivers/crypto/qat/qat_common/adf_cfg_common.h
View File

@ -72,6 +72,7 @@ enum adf_device_type {
DEV_UNKNOWN = 0,
DEV_DH895XCC,
DEV_DH895XCCVF,
DEV_C62X,
DEV_C3XXX
};