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net/qede/base: add macros for converting pointer

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Add macros PTR_LO and PTR_HI (for converting pointer to HI and LOW bits for
passing to FW hsi handles).

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2017-01-04 23:03:56 -08:00 committed by Ferruh Yigit
parent 4822669ad8
commit d54bd20d20
1 changed files with 6 additions and 0 deletions
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6
drivers/net/qede/base/ecore_utils.h
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@ -10,6 +10,12 @@
#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))