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Commit 8b206f2d authored Dec 04, 2015 by Tadeusz Struk Committed by Herbert Xu Dec 09, 2015

crypto: qat - add support for c3xxxvf accel type



Add support for c3xxx accelerator Virtual Function

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent a6dabee6

drivers/crypto/qat/Kconfig

+11 −0

Original line number	Diff line number	Diff line
		@@ -56,3 +56,14 @@ config CRYPTO_DEV_QAT_DH895xCCVF

		To compile this as a module, choose M here: the module
		will be called qat_dh895xccvf.

		config CRYPTO_DEV_QAT_C3XXXVF
		tristate "Support for Intel(R) C3XXX Virtual Function"
		depends on X86 && PCI
		select CRYPTO_DEV_QAT
		help
		Support for Intel(R) C3xxx with Intel(R) QuickAssist Technology
		Virtual Function for accelerating crypto and compression workloads.

		To compile this as a module, choose M here: the module
		will be called qat_c3xxxvf.

drivers/crypto/qat/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -3,3 +3,4 @@ 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/
		obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf/

drivers/crypto/qat/qat_c3xxxvf/Makefile

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		ccflags-y := -I$(src)/../qat_common
		obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf.o
		qat_c3xxxvf-objs := adf_drv.o adf_c3xxxvf_hw_data.o

drivers/crypto/qat/qat_c3xxxvf/adf_c3xxxvf_hw_data.c

0 → 100644

+173 −0

Original line number	Diff line number	Diff line
		/*
		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) 2015 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) 2015 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_pf2vf_msg.h>
		#include <adf_common_drv.h>
		#include "adf_c3xxxvf_hw_data.h"

		static struct adf_hw_device_class c3xxxiov_class = {
		.name = ADF_C3XXXVF_DEVICE_NAME,
		.type = DEV_C3XXXVF,
		.instances = 0
		};

		static u32 get_accel_mask(u32 fuse)
		{
		return ADF_C3XXXIOV_ACCELERATORS_MASK;
		}

		static u32 get_ae_mask(u32 fuse)
		{
		return ADF_C3XXXIOV_ACCELENGINES_MASK;
		}

		static u32 get_num_accels(struct adf_hw_device_data *self)
		{
		return ADF_C3XXXIOV_MAX_ACCELERATORS;
		}

		static u32 get_num_aes(struct adf_hw_device_data *self)
		{
		return ADF_C3XXXIOV_MAX_ACCELENGINES;
		}

		static u32 get_misc_bar_id(struct adf_hw_device_data *self)
		{
		return ADF_C3XXXIOV_PMISC_BAR;
		}

		static u32 get_etr_bar_id(struct adf_hw_device_data *self)
		{
		return ADF_C3XXXIOV_ETR_BAR;
		}

		static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
		{
		return DEV_SKU_VF;
		}

		static u32 get_pf2vf_offset(u32 i)
		{
		return ADF_C3XXXIOV_PF2VF_OFFSET;
		}

		static u32 get_vintmsk_offset(u32 i)
		{
		return ADF_C3XXXIOV_VINTMSK_OFFSET;
		}

		static int adf_vf_int_noop(struct adf_accel_dev *accel_dev)
		{
		return 0;
		}

		static void adf_vf_void_noop(struct adf_accel_dev *accel_dev)
		{
		}

		static int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
		{
		u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM \|
		(ADF_VF2PF_MSGTYPE_INIT << ADF_VF2PF_MSGTYPE_SHIFT));

		if (adf_iov_putmsg(accel_dev, msg, 0)) {
		dev_err(&GET_DEV(accel_dev),
		"Failed to send Init event to PF\n");
		return -EFAULT;
		}
		return 0;
		}

		static void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
		{
		u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM \|
		(ADF_VF2PF_MSGTYPE_SHUTDOWN << ADF_VF2PF_MSGTYPE_SHIFT));

		if (adf_iov_putmsg(accel_dev, msg, 0))
		dev_err(&GET_DEV(accel_dev),
		"Failed to send Shutdown event to PF\n");
		}

		void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
		{
		hw_data->dev_class = &c3xxxiov_class;
		hw_data->num_banks = ADF_C3XXXIOV_ETR_MAX_BANKS;
		hw_data->num_accel = ADF_C3XXXIOV_MAX_ACCELERATORS;
		hw_data->num_logical_accel = 1;
		hw_data->num_engines = ADF_C3XXXIOV_MAX_ACCELENGINES;
		hw_data->tx_rx_gap = ADF_C3XXXIOV_RX_RINGS_OFFSET;
		hw_data->tx_rings_mask = ADF_C3XXXIOV_TX_RINGS_MASK;
		hw_data->alloc_irq = adf_vf_isr_resource_alloc;
		hw_data->free_irq = adf_vf_isr_resource_free;
		hw_data->enable_error_correction = adf_vf_void_noop;
		hw_data->init_admin_comms = adf_vf_int_noop;
		hw_data->exit_admin_comms = adf_vf_void_noop;
		hw_data->send_admin_init = adf_vf2pf_init;
		hw_data->init_arb = adf_vf_int_noop;
		hw_data->exit_arb = adf_vf_void_noop;
		hw_data->disable_iov = adf_vf2pf_shutdown;
		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_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->enable_ints = adf_vf_void_noop;
		hw_data->enable_vf2pf_comms = adf_enable_vf2pf_comms;
		hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
		hw_data->dev_class->instances++;
		adf_devmgr_update_class_index(hw_data);
		}

		void adf_clean_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
		{
		hw_data->dev_class->instances--;
		adf_devmgr_update_class_index(hw_data);
		}

drivers/crypto/qat/qat_c3xxxvf/adf_c3xxxvf_hw_data.h

0 → 100644

+64 −0

Original line number	Diff line number	Diff line
		/*
		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) 2015 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) 2015 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_C3XXXVF_HW_DATA_H_
		#define ADF_C3XXXVF_HW_DATA_H_

		#define ADF_C3XXXIOV_PMISC_BAR 1
		#define ADF_C3XXXIOV_ACCELERATORS_MASK 0x1
		#define ADF_C3XXXIOV_ACCELENGINES_MASK 0x1
		#define ADF_C3XXXIOV_MAX_ACCELERATORS 1
		#define ADF_C3XXXIOV_MAX_ACCELENGINES 1
		#define ADF_C3XXXIOV_RX_RINGS_OFFSET 8
		#define ADF_C3XXXIOV_TX_RINGS_MASK 0xFF
		#define ADF_C3XXXIOV_ETR_BAR 0
		#define ADF_C3XXXIOV_ETR_MAX_BANKS 1
		#define ADF_C3XXXIOV_PF2VF_OFFSET 0x200
		#define ADF_C3XXXIOV_VINTMSK_OFFSET 0x208

		void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data);
		void adf_clean_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data);
		#endif