diff options
Diffstat (limited to 'drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c')
| -rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c b/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c deleted file mode 100644 index 1864bdb36..000000000 --- a/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - 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_transport_internal.h> -#include "adf_drv.h" - -#define ADF_ARB_NUM 4 -#define ADF_ARB_REQ_RING_NUM 8 -#define ADF_ARB_REG_SIZE 0x4 -#define ADF_ARB_WTR_SIZE 0x20 -#define ADF_ARB_OFFSET 0x30000 -#define ADF_ARB_REG_SLOT 0x1000 -#define ADF_ARB_WTR_OFFSET 0x010 -#define ADF_ARB_RO_EN_OFFSET 0x090 -#define ADF_ARB_WQCFG_OFFSET 0x100 -#define ADF_ARB_WRK_2_SER_MAP_OFFSET 0x180 -#define ADF_ARB_WRK_2_SER_MAP 10 -#define ADF_ARB_RINGSRVARBEN_OFFSET 0x19C - -#define WRITE_CSR_ARB_RINGSRVARBEN(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \ - (ADF_ARB_REG_SLOT * index), value) - -#define WRITE_CSR_ARB_RESPORDERING(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_RO_EN_OFFSET) + (ADF_ARB_REG_SIZE * index), value) - -#define WRITE_CSR_ARB_WEIGHT(csr_addr, arb, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_WTR_OFFSET) + (ADF_ARB_WTR_SIZE * arb) + \ - (ADF_ARB_REG_SIZE * index), value) - -#define WRITE_CSR_ARB_SARCONFIG(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, ADF_ARB_OFFSET + \ - (ADF_ARB_REG_SIZE * index), value) - -#define WRITE_CSR_ARB_WRK_2_SER_MAP(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_WRK_2_SER_MAP_OFFSET) + \ - (ADF_ARB_REG_SIZE * index), value) - -#define WRITE_CSR_ARB_WQCFG(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ - ADF_ARB_WQCFG_OFFSET) + (ADF_ARB_REG_SIZE * index), value) - -int adf_init_arb(struct adf_accel_dev *accel_dev) -{ - void __iomem *csr = accel_dev->transport->banks[0].csr_addr; - uint32_t arb_cfg = 0x1 << 31 | 0x4 << 4 | 0x1; - uint32_t arb, i; - const uint32_t *thd_2_arb_cfg; - - /* Service arb configured for 32 bytes responses and - * ring flow control check enabled. */ - for (arb = 0; arb < ADF_ARB_NUM; arb++) - WRITE_CSR_ARB_SARCONFIG(csr, arb, arb_cfg); - - /* Setup service weighting */ - for (arb = 0; arb < ADF_ARB_NUM; arb++) - for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) - WRITE_CSR_ARB_WEIGHT(csr, arb, i, 0xFFFFFFFF); - - /* Setup ring response ordering */ - for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) - WRITE_CSR_ARB_RESPORDERING(csr, i, 0xFFFFFFFF); - - /* Setup worker queue registers */ - for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) - WRITE_CSR_ARB_WQCFG(csr, i, i); - - /* Map worker threads to service arbiters */ - adf_get_arbiter_mapping(accel_dev, &thd_2_arb_cfg); - - if (!thd_2_arb_cfg) - return -EFAULT; - - for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) - WRITE_CSR_ARB_WRK_2_SER_MAP(csr, i, *(thd_2_arb_cfg + i)); - - return 0; -} - -void adf_update_ring_arb_enable(struct adf_etr_ring_data *ring) -{ - WRITE_CSR_ARB_RINGSRVARBEN(ring->bank->csr_addr, - ring->bank->bank_number, - ring->bank->ring_mask & 0xFF); -} - -void adf_exit_arb(struct adf_accel_dev *accel_dev) -{ - void __iomem *csr; - unsigned int i; - - if (!accel_dev->transport) - return; - - csr = accel_dev->transport->banks[0].csr_addr; - - /* Reset arbiter configuration */ - for (i = 0; i < ADF_ARB_NUM; i++) - WRITE_CSR_ARB_SARCONFIG(csr, i, 0); - - /* Shutdown work queue */ - for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) - WRITE_CSR_ARB_WQCFG(csr, i, 0); - - /* Unmap worker threads to service arbiters */ - for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) - WRITE_CSR_ARB_WRK_2_SER_MAP(csr, i, 0); - - /* Disable arbitration on all rings */ - for (i = 0; i < GET_MAX_BANKS(accel_dev); i++) - WRITE_CSR_ARB_RINGSRVARBEN(csr, i, 0); -} |