mirror of https://gitee.com/openkylin/linux.git
250 lines
7.6 KiB
C
250 lines
7.6 KiB
C
/*
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This file is provided under a dual BSD/GPLv2 license. When using or
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redistributing this file, you may do so under either license.
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GPL LICENSE SUMMARY
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Copyright(c) 2014 Intel Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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Contact Information:
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qat-linux@intel.com
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BSD LICENSE
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Copyright(c) 2014 Intel Corporation.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <adf_accel_devices.h>
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#include <adf_common_drv.h>
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#include <adf_pf2vf_msg.h>
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#include "adf_c62x_hw_data.h"
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/* Worker thread to service arbiter mappings based on dev SKUs */
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static const u32 thrd_to_arb_map_8_me_sku[] = {
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0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
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0x11222AAA, 0x12222AAA, 0x11222AAA, 0, 0
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};
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static const u32 thrd_to_arb_map_10_me_sku[] = {
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0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
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0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA
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};
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static struct adf_hw_device_class c62x_class = {
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.name = ADF_C62X_DEVICE_NAME,
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.type = DEV_C62X,
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.instances = 0
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};
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static u32 get_accel_mask(u32 fuse)
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{
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return (~fuse) >> ADF_C62X_ACCELERATORS_REG_OFFSET &
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ADF_C62X_ACCELERATORS_MASK;
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}
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static u32 get_ae_mask(u32 fuse)
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{
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return (~fuse) & ADF_C62X_ACCELENGINES_MASK;
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}
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static u32 get_num_accels(struct adf_hw_device_data *self)
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{
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u32 i, ctr = 0;
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if (!self || !self->accel_mask)
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return 0;
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for (i = 0; i < ADF_C62X_MAX_ACCELERATORS; i++) {
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if (self->accel_mask & (1 << i))
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ctr++;
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}
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return ctr;
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}
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static u32 get_num_aes(struct adf_hw_device_data *self)
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{
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u32 i, ctr = 0;
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if (!self || !self->ae_mask)
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return 0;
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for (i = 0; i < ADF_C62X_MAX_ACCELENGINES; i++) {
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if (self->ae_mask & (1 << i))
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ctr++;
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}
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return ctr;
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}
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static u32 get_misc_bar_id(struct adf_hw_device_data *self)
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{
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return ADF_C62X_PMISC_BAR;
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}
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static u32 get_etr_bar_id(struct adf_hw_device_data *self)
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{
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return ADF_C62X_ETR_BAR;
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}
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static u32 get_sram_bar_id(struct adf_hw_device_data *self)
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{
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return ADF_C62X_SRAM_BAR;
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}
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static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
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{
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int aes = get_num_aes(self);
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if (aes == 8)
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return DEV_SKU_2;
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else if (aes == 10)
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return DEV_SKU_4;
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return DEV_SKU_UNKNOWN;
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}
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static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
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u32 const **arb_map_config)
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{
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switch (accel_dev->accel_pci_dev.sku) {
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case DEV_SKU_2:
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*arb_map_config = thrd_to_arb_map_8_me_sku;
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break;
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case DEV_SKU_4:
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*arb_map_config = thrd_to_arb_map_10_me_sku;
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break;
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default:
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dev_err(&GET_DEV(accel_dev),
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"The configuration doesn't match any SKU");
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*arb_map_config = NULL;
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}
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}
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static u32 get_pf2vf_offset(u32 i)
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{
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return ADF_C62X_PF2VF_OFFSET(i);
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}
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static u32 get_vintmsk_offset(u32 i)
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{
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return ADF_C62X_VINTMSK_OFFSET(i);
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}
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static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
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{
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struct adf_hw_device_data *hw_device = accel_dev->hw_device;
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struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR];
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void __iomem *csr = misc_bar->virt_addr;
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unsigned int val, i;
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/* Enable Accel Engine error detection & correction */
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for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
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val = ADF_CSR_RD(csr, ADF_C62X_AE_CTX_ENABLES(i));
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val |= ADF_C62X_ENABLE_AE_ECC_ERR;
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ADF_CSR_WR(csr, ADF_C62X_AE_CTX_ENABLES(i), val);
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val = ADF_CSR_RD(csr, ADF_C62X_AE_MISC_CONTROL(i));
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val |= ADF_C62X_ENABLE_AE_ECC_PARITY_CORR;
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ADF_CSR_WR(csr, ADF_C62X_AE_MISC_CONTROL(i), val);
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}
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/* Enable shared memory error detection & correction */
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for (i = 0; i < hw_device->get_num_accels(hw_device); i++) {
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val = ADF_CSR_RD(csr, ADF_C62X_UERRSSMSH(i));
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val |= ADF_C62X_ERRSSMSH_EN;
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ADF_CSR_WR(csr, ADF_C62X_UERRSSMSH(i), val);
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val = ADF_CSR_RD(csr, ADF_C62X_CERRSSMSH(i));
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val |= ADF_C62X_ERRSSMSH_EN;
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ADF_CSR_WR(csr, ADF_C62X_CERRSSMSH(i), val);
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}
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}
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static void adf_enable_ints(struct adf_accel_dev *accel_dev)
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{
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void __iomem *addr;
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addr = (&GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR])->virt_addr;
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/* Enable bundle and misc interrupts */
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ADF_CSR_WR(addr, ADF_C62X_SMIAPF0_MASK_OFFSET,
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ADF_C62X_SMIA0_MASK);
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ADF_CSR_WR(addr, ADF_C62X_SMIAPF1_MASK_OFFSET,
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ADF_C62X_SMIA1_MASK);
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}
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static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
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{
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return 0;
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}
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void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data)
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{
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hw_data->dev_class = &c62x_class;
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hw_data->instance_id = c62x_class.instances++;
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hw_data->num_banks = ADF_C62X_ETR_MAX_BANKS;
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hw_data->num_accel = ADF_C62X_MAX_ACCELERATORS;
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hw_data->num_logical_accel = 1;
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hw_data->num_engines = ADF_C62X_MAX_ACCELENGINES;
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hw_data->tx_rx_gap = ADF_C62X_RX_RINGS_OFFSET;
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hw_data->tx_rings_mask = ADF_C62X_TX_RINGS_MASK;
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hw_data->alloc_irq = adf_isr_resource_alloc;
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hw_data->free_irq = adf_isr_resource_free;
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hw_data->enable_error_correction = adf_enable_error_correction;
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hw_data->get_accel_mask = get_accel_mask;
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hw_data->get_ae_mask = get_ae_mask;
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hw_data->get_num_accels = get_num_accels;
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hw_data->get_num_aes = get_num_aes;
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hw_data->get_sram_bar_id = get_sram_bar_id;
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hw_data->get_etr_bar_id = get_etr_bar_id;
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hw_data->get_misc_bar_id = get_misc_bar_id;
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hw_data->get_pf2vf_offset = get_pf2vf_offset;
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hw_data->get_vintmsk_offset = get_vintmsk_offset;
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hw_data->get_sku = get_sku;
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hw_data->fw_name = ADF_C62X_FW;
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hw_data->fw_mmp_name = ADF_C62X_MMP;
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hw_data->init_admin_comms = adf_init_admin_comms;
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hw_data->exit_admin_comms = adf_exit_admin_comms;
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hw_data->disable_iov = adf_disable_sriov;
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hw_data->send_admin_init = adf_send_admin_init;
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hw_data->init_arb = adf_init_arb;
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hw_data->exit_arb = adf_exit_arb;
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hw_data->get_arb_mapping = adf_get_arbiter_mapping;
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hw_data->enable_ints = adf_enable_ints;
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hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
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hw_data->reset_device = adf_reset_flr;
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hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
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}
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void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data)
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{
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hw_data->dev_class->instances--;
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}
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