drivers/crypto/qat/qat_c62x/adf_c62x_hw_data.c - kernel/quantenna - Git at Google

 /*
   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--;
 }
	/*
	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--;
	}