Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / crypto / qat / qat_dh895xcc / adf_dh895xcc_hw_data.c
diff --git a/kernel/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c b/kernel/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c
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+/*
+  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_common_drv.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:
+               dev_err(&GET_DEV(accel_dev),
+                       "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);
+       }
+}
+
+static void adf_enable_ints(struct adf_accel_dev *accel_dev)
+{
+       void __iomem *addr;
+
+       addr = (&GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR])->virt_addr;
+
+       /* Enable bundle and misc interrupts */
+       ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF0_MASK_OFFSET,
+                  ADF_DH895XCC_SMIA0_MASK);
+       ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF1_MASK_OFFSET,
+                  ADF_DH895XCC_SMIA1_MASK);
+}
+
+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;
+       hw_data->init_admin_comms = adf_init_admin_comms;
+       hw_data->exit_admin_comms = adf_exit_admin_comms;
+       hw_data->init_arb = adf_init_arb;
+       hw_data->exit_arb = adf_exit_arb;
+       hw_data->enable_ints = adf_enable_ints;
+}
+
+void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
+{
+       hw_data->dev_class->instances--;
+}