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/*
* Copyright (c) 2016 QLogic Corporation.
* All rights reserved.
* www.qlogic.com
*
* See LICENSE.qede_pmd for copyright and licensing details.
*/
#ifndef __ECORE_UTILS_H__
#define __ECORE_UTILS_H__
/* dma_addr_t manip */
/* Suppress "right shift count >= width of type" warning when that quantity is
* 32-bits rquires the >> 16) >> 16)
*/
#define PTR_LO(x) ((u32)(((osal_uintptr_t)(x)) & 0xffffffff))
#define PTR_HI(x) ((u32)((((osal_uintptr_t)(x)) >> 16) >> 16))
#define DMA_LO(x) ((u32)(((dma_addr_t)(x)) & 0xffffffff))
#define DMA_HI(x) ((u32)(((dma_addr_t)(x)) >> 32))
#define DMA_LO_LE(x) OSAL_CPU_TO_LE32(DMA_LO(x))
#define DMA_HI_LE(x) OSAL_CPU_TO_LE32(DMA_HI(x))
/* It's assumed that whoever includes this has previously included an hsi
* file defining the regpair.
*/
#define DMA_REGPAIR_LE(x, val) (x).hi = DMA_HI_LE((val)); \
(x).lo = DMA_LO_LE((val))
#define HILO_GEN(hi, lo, type) ((((type)(hi)) << 32) + (lo))
#define HILO_DMA(hi, lo) HILO_GEN(hi, lo, dma_addr_t)
#define HILO_64(hi, lo) HILO_GEN(hi, lo, u64)
#define HILO_DMA_REGPAIR(regpair) (HILO_DMA(regpair.hi, regpair.lo))
#define HILO_64_REGPAIR(regpair) (HILO_64(regpair.hi, regpair.lo))
#endif
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