mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 21:33:00 +00:00
7afa232e76
This patch adds DH895xCC hardware specific code. It hooks to the common infrastructure and provides acceleration for crypto algorithms. Acked-by: John Griffin <john.griffin@intel.com> Reviewed-by: Bruce W. Allan <bruce.w.allan@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
215 lines
6.9 KiB
C
215 lines
6.9 KiB
C
/*
|
|
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_dh895xcc_hw_data.h"
|
|
#include "adf_drv.h"
|
|
|
|
/* Worker thread to service arbiter mappings based on dev SKUs */
|
|
static const uint32_t thrd_to_arb_map_sku4[] = {
|
|
0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
|
|
0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000
|
|
};
|
|
|
|
static const uint32_t thrd_to_arb_map_sku6[] = {
|
|
0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
|
|
0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
|
|
0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222
|
|
};
|
|
|
|
static struct adf_hw_device_class dh895xcc_class = {
|
|
.name = ADF_DH895XCC_DEVICE_NAME,
|
|
.type = DEV_DH895XCC,
|
|
.instances = 0
|
|
};
|
|
|
|
static uint32_t get_accel_mask(uint32_t fuse)
|
|
{
|
|
return (~fuse) >> ADF_DH895XCC_ACCELERATORS_REG_OFFSET &
|
|
ADF_DH895XCC_ACCELERATORS_MASK;
|
|
}
|
|
|
|
static uint32_t get_ae_mask(uint32_t fuse)
|
|
{
|
|
return (~fuse) & ADF_DH895XCC_ACCELENGINES_MASK;
|
|
}
|
|
|
|
static uint32_t get_num_accels(struct adf_hw_device_data *self)
|
|
{
|
|
uint32_t i, ctr = 0;
|
|
|
|
if (!self || !self->accel_mask)
|
|
return 0;
|
|
|
|
for (i = 0; i < ADF_DH895XCC_MAX_ACCELERATORS; i++) {
|
|
if (self->accel_mask & (1 << i))
|
|
ctr++;
|
|
}
|
|
return ctr;
|
|
}
|
|
|
|
static uint32_t get_num_aes(struct adf_hw_device_data *self)
|
|
{
|
|
uint32_t i, ctr = 0;
|
|
|
|
if (!self || !self->ae_mask)
|
|
return 0;
|
|
|
|
for (i = 0; i < ADF_DH895XCC_MAX_ACCELENGINES; i++) {
|
|
if (self->ae_mask & (1 << i))
|
|
ctr++;
|
|
}
|
|
return ctr;
|
|
}
|
|
|
|
static uint32_t get_misc_bar_id(struct adf_hw_device_data *self)
|
|
{
|
|
return ADF_DH895XCC_PMISC_BAR;
|
|
}
|
|
|
|
static uint32_t get_etr_bar_id(struct adf_hw_device_data *self)
|
|
{
|
|
return ADF_DH895XCC_ETR_BAR;
|
|
}
|
|
|
|
static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
|
|
{
|
|
int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK)
|
|
>> ADF_DH895XCC_FUSECTL_SKU_SHIFT;
|
|
|
|
switch (sku) {
|
|
case ADF_DH895XCC_FUSECTL_SKU_1:
|
|
return DEV_SKU_1;
|
|
case ADF_DH895XCC_FUSECTL_SKU_2:
|
|
return DEV_SKU_2;
|
|
case ADF_DH895XCC_FUSECTL_SKU_3:
|
|
return DEV_SKU_3;
|
|
case ADF_DH895XCC_FUSECTL_SKU_4:
|
|
return DEV_SKU_4;
|
|
default:
|
|
return DEV_SKU_UNKNOWN;
|
|
}
|
|
return DEV_SKU_UNKNOWN;
|
|
}
|
|
|
|
void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
|
|
uint32_t const **arb_map_config)
|
|
{
|
|
switch (accel_dev->accel_pci_dev.sku) {
|
|
case DEV_SKU_1:
|
|
*arb_map_config = thrd_to_arb_map_sku4;
|
|
break;
|
|
|
|
case DEV_SKU_2:
|
|
case DEV_SKU_4:
|
|
*arb_map_config = thrd_to_arb_map_sku6;
|
|
break;
|
|
default:
|
|
pr_err("QAT: The configuration doesn't match any SKU");
|
|
*arb_map_config = NULL;
|
|
}
|
|
}
|
|
|
|
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_DH895XCC_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_DH895XCC_AE_CTX_ENABLES(i));
|
|
val |= ADF_DH895XCC_ENABLE_AE_ECC_ERR;
|
|
ADF_CSR_WR(csr, ADF_DH895XCC_AE_CTX_ENABLES(i), val);
|
|
val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_MISC_CONTROL(i));
|
|
val |= ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR;
|
|
ADF_CSR_WR(csr, ADF_DH895XCC_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_DH895XCC_UERRSSMSH(i));
|
|
val |= ADF_DH895XCC_ERRSSMSH_EN;
|
|
ADF_CSR_WR(csr, ADF_DH895XCC_UERRSSMSH(i), val);
|
|
val = ADF_CSR_RD(csr, ADF_DH895XCC_CERRSSMSH(i));
|
|
val |= ADF_DH895XCC_ERRSSMSH_EN;
|
|
ADF_CSR_WR(csr, ADF_DH895XCC_CERRSSMSH(i), val);
|
|
}
|
|
}
|
|
|
|
void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
|
|
{
|
|
hw_data->dev_class = &dh895xcc_class;
|
|
hw_data->instance_id = dh895xcc_class.instances++;
|
|
hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS;
|
|
hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS;
|
|
hw_data->pci_dev_id = ADF_DH895XCC_PCI_DEVICE_ID;
|
|
hw_data->num_logical_accel = 1;
|
|
hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES;
|
|
hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET;
|
|
hw_data->tx_rings_mask = ADF_DH895XCC_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->hw_arb_ring_enable = adf_update_ring_arb_enable;
|
|
hw_data->hw_arb_ring_disable = adf_update_ring_arb_enable;
|
|
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_sku = get_sku;
|
|
hw_data->fw_name = ADF_DH895XCC_FW;
|
|
}
|
|
|
|
void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
|
|
{
|
|
hw_data->dev_class->instances--;
|
|
}
|