diff options
Diffstat (limited to 'drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c')
| -rw-r--r-- | drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c new file mode 100644 index 000000000000..c5bd5a9abc4d --- /dev/null +++ b/drivers/crypto/qat/qat_c3xxx/adf_c3xxx_hw_data.c @@ -0,0 +1,238 @@ +/* + 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_c3xxx_hw_data.h" + +/* Worker thread to service arbiter mappings based on dev SKUs */ +static const u32 thrd_to_arb_map_6_me_sku[] = { + 0x12222AAA, 0x11222AAA, 0x12222AAA, + 0x11222AAA, 0x12222AAA, 0x11222AAA +}; + +static struct adf_hw_device_class c3xxx_class = { + .name = ADF_C3XXX_DEVICE_NAME, + .type = DEV_C3XXX, + .instances = 0 +}; + +static u32 get_accel_mask(u32 fuse) +{ + return (~fuse) >> ADF_C3XXX_ACCELERATORS_REG_OFFSET & + ADF_C3XXX_ACCELERATORS_MASK; +} + +static u32 get_ae_mask(u32 fuse) +{ + return (~fuse) & ADF_C3XXX_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_C3XXX_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_C3XXX_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_C3XXX_PMISC_BAR; +} + +static u32 get_etr_bar_id(struct adf_hw_device_data *self) +{ + return ADF_C3XXX_ETR_BAR; +} + +static u32 get_sram_bar_id(struct adf_hw_device_data *self) +{ + return 0; +} + +static enum dev_sku_info get_sku(struct adf_hw_device_data *self) +{ + int aes = get_num_aes(self); + + if (aes == 6) + 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_4: + *arb_map_config = thrd_to_arb_map_6_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_C3XXX_PF2VF_OFFSET(i); +} + +static u32 get_vintmsk_offset(u32 i) +{ + return ADF_C3XXX_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_C3XXX_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_C3XXX_AE_CTX_ENABLES(i)); + val |= ADF_C3XXX_ENABLE_AE_ECC_ERR; + ADF_CSR_WR(csr, ADF_C3XXX_AE_CTX_ENABLES(i), val); + val = ADF_CSR_RD(csr, ADF_C3XXX_AE_MISC_CONTROL(i)); + val |= ADF_C3XXX_ENABLE_AE_ECC_PARITY_CORR; + ADF_CSR_WR(csr, ADF_C3XXX_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_C3XXX_UERRSSMSH(i)); + val |= ADF_C3XXX_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_C3XXX_UERRSSMSH(i), val); + val = ADF_CSR_RD(csr, ADF_C3XXX_CERRSSMSH(i)); + val |= ADF_C3XXX_ERRSSMSH_EN; + ADF_CSR_WR(csr, ADF_C3XXX_CERRSSMSH(i), val); + } +} + +static void adf_enable_ints(struct adf_accel_dev *accel_dev) +{ + void __iomem *addr; + + addr = (&GET_BARS(accel_dev)[ADF_C3XXX_PMISC_BAR])->virt_addr; + + /* Enable bundle and misc interrupts */ + ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF0_MASK_OFFSET, + ADF_C3XXX_SMIA0_MASK); + ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF1_MASK_OFFSET, + ADF_C3XXX_SMIA1_MASK); +} + +static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev) +{ + return 0; +} + +void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class = &c3xxx_class; + hw_data->instance_id = c3xxx_class.instances++; + hw_data->num_banks = ADF_C3XXX_ETR_MAX_BANKS; + hw_data->num_accel = ADF_C3XXX_MAX_ACCELERATORS; + hw_data->num_logical_accel = 1; + hw_data->num_engines = ADF_C3XXX_MAX_ACCELENGINES; + hw_data->tx_rx_gap = ADF_C3XXX_RX_RINGS_OFFSET; + hw_data->tx_rings_mask = ADF_C3XXX_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_C3XXX_FW; + hw_data->fw_mmp_name = ADF_C3XXX_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_c3xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class->instances--; +} |