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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) 2015 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) 2015 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.
 */
#ifndef ADF_TRANSPORT_ACCESS_MACROS_H
#define ADF_TRANSPORT_ACCESS_MACROS_H

/* CSR write macro */
#define ADF_CSR_WR(csrAddr, csrOffset, val) \
	(void)((*((volatile uint32_t *)(((uint8_t *)csrAddr) + csrOffset)) \
			= (val)))

/* CSR read macro */
#define ADF_CSR_RD(csrAddr, csrOffset) \
	(*((volatile uint32_t *)(((uint8_t *)csrAddr) + csrOffset)))

#define ADF_BANK_INT_SRC_SEL_MASK_0 0x4444444CUL
#define ADF_BANK_INT_SRC_SEL_MASK_X 0x44444444UL
#define ADF_RING_CSR_RING_CONFIG 0x000
#define ADF_RING_CSR_RING_LBASE 0x040
#define ADF_RING_CSR_RING_UBASE 0x080
#define ADF_RING_CSR_RING_HEAD 0x0C0
#define ADF_RING_CSR_RING_TAIL 0x100
#define ADF_RING_CSR_E_STAT 0x14C
#define ADF_RING_CSR_INT_SRCSEL 0x174
#define ADF_RING_CSR_INT_SRCSEL_2 0x178
#define ADF_RING_CSR_INT_COL_EN 0x17C
#define ADF_RING_CSR_INT_COL_CTL 0x180
#define ADF_RING_CSR_INT_FLAG_AND_COL 0x184
#define ADF_RING_CSR_INT_COL_CTL_ENABLE	0x80000000
#define ADF_RING_BUNDLE_SIZE 0x1000
#define ADF_RING_CONFIG_NEAR_FULL_WM 0x0A
#define ADF_RING_CONFIG_NEAR_EMPTY_WM 0x05
#define ADF_COALESCING_MIN_TIME 0x1FF
#define ADF_COALESCING_MAX_TIME 0xFFFFF
#define ADF_COALESCING_DEF_TIME 0x27FF
#define ADF_RING_NEAR_WATERMARK_512 0x08
#define ADF_RING_NEAR_WATERMARK_0 0x00
#define ADF_RING_EMPTY_SIG 0x7F7F7F7F

/* Valid internal ring size values */
#define ADF_RING_SIZE_128 0x01
#define ADF_RING_SIZE_256 0x02
#define ADF_RING_SIZE_512 0x03
#define ADF_RING_SIZE_4K 0x06
#define ADF_RING_SIZE_16K 0x08
#define ADF_RING_SIZE_4M 0x10
#define ADF_MIN_RING_SIZE ADF_RING_SIZE_128
#define ADF_MAX_RING_SIZE ADF_RING_SIZE_4M
#define ADF_DEFAULT_RING_SIZE ADF_RING_SIZE_16K

#define ADF_NUM_BUNDLES_PER_DEV         1
#define ADF_NUM_SYM_QPS_PER_BUNDLE      2

/* Valid internal msg size values */
#define ADF_MSG_SIZE_32 0x01
#define ADF_MSG_SIZE_64 0x02
#define ADF_MSG_SIZE_128 0x04
#define ADF_MIN_MSG_SIZE ADF_MSG_SIZE_32
#define ADF_MAX_MSG_SIZE ADF_MSG_SIZE_128

/* Size to bytes conversion macros for ring and msg size values */
#define ADF_MSG_SIZE_TO_BYTES(SIZE) (SIZE << 5)
#define ADF_BYTES_TO_MSG_SIZE(SIZE) (SIZE >> 5)
#define ADF_SIZE_TO_RING_SIZE_IN_BYTES(SIZE) ((1 << (SIZE - 1)) << 7)
#define ADF_RING_SIZE_IN_BYTES_TO_SIZE(SIZE) ((1 << (SIZE - 1)) >> 7)

/* Minimum ring bufer size for memory allocation */
#define ADF_RING_SIZE_BYTES_MIN(SIZE) ((SIZE < ADF_RING_SIZE_4K) ? \
				ADF_RING_SIZE_4K : SIZE)
#define ADF_RING_SIZE_MODULO(SIZE) (SIZE + 0x6)
#define ADF_SIZE_TO_POW(SIZE) ((((SIZE & 0x4) >> 1) | ((SIZE & 0x4) >> 2) | \
				SIZE) & ~0x4)
/* Max outstanding requests */
#define ADF_MAX_INFLIGHTS(RING_SIZE, MSG_SIZE) \
	((((1 << (RING_SIZE - 1)) << 3) >> ADF_SIZE_TO_POW(MSG_SIZE)) - 1)
#define BUILD_RING_CONFIG(size)	\
	((ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_FULL_WM) \
	| (ADF_RING_NEAR_WATERMARK_0 << ADF_RING_CONFIG_NEAR_EMPTY_WM) \
	| size)
#define BUILD_RESP_RING_CONFIG(size, watermark_nf, watermark_ne) \
	((watermark_nf << ADF_RING_CONFIG_NEAR_FULL_WM)	\
	| (watermark_ne << ADF_RING_CONFIG_NEAR_EMPTY_WM) \
	| size)
#define BUILD_RING_BASE_ADDR(addr, size) \
	((addr >> 6) & (0xFFFFFFFFFFFFFFFFULL << size))
#define READ_CSR_RING_HEAD(csr_base_addr, bank, ring) \
	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_RING_HEAD + (ring << 2))
#define READ_CSR_RING_TAIL(csr_base_addr, bank, ring) \
	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_RING_TAIL + (ring << 2))
#define READ_CSR_E_STAT(csr_base_addr, bank) \
	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_E_STAT)
#define WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
		ADF_RING_CSR_RING_CONFIG + (ring << 2), value)
#define WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, value) \
do { \
	uint32_t l_base = 0, u_base = 0; \
	l_base = (uint32_t)(value & 0xFFFFFFFF); \
	u_base = (uint32_t)((value & 0xFFFFFFFF00000000ULL) >> 32); \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
		ADF_RING_CSR_RING_LBASE + (ring << 2), l_base);	\
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
		ADF_RING_CSR_RING_UBASE + (ring << 2), u_base);	\
} while (0)
#define WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
		ADF_RING_CSR_RING_HEAD + (ring << 2), value)
#define WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
		ADF_RING_CSR_RING_TAIL + (ring << 2), value)
#define WRITE_CSR_INT_SRCSEL(csr_base_addr, bank) \
do { \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
	ADF_RING_CSR_INT_SRCSEL, ADF_BANK_INT_SRC_SEL_MASK_0);	\
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
	ADF_RING_CSR_INT_SRCSEL_2, ADF_BANK_INT_SRC_SEL_MASK_X); \
} while (0)
#define WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_INT_COL_EN, value)
#define WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_INT_COL_CTL, \
			ADF_RING_CSR_INT_COL_CTL_ENABLE | value)
#define WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value) \
	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) + \
			ADF_RING_CSR_INT_FLAG_AND_COL, value)
#endif