cregit-Linux how code gets into the kernel

Release 4.17 drivers/net/ethernet/intel/ice/ice_osdep.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */

#ifndef _ICE_OSDEP_H_

#define _ICE_OSDEP_H_

#include <linux/types.h>
#include <linux/io.h>
#ifndef CONFIG_64BIT
#include <linux/io-64-nonatomic-lo-hi.h>
#endif


#define wr32(a, reg, value)	writel((value), ((a)->hw_addr + (reg)))

#define rd32(a, reg)		readl((a)->hw_addr + (reg))

#define wr64(a, reg, value)	writeq((value), ((a)->hw_addr + (reg)))

#define rd64(a, reg)		readq((a)->hw_addr + (reg))


#define ice_flush(a)		rd32((a), GLGEN_STAT)

#define ICE_M(m, s)		((m) << (s))


struct ice_dma_mem {
	
void *va;
	
dma_addr_t pa;
	
size_t size;
};


#define ice_hw_to_dev(ptr)	\
	(&(container_of((ptr), struct ice_pf, hw))->pdev->dev)

#ifdef CONFIG_DYNAMIC_DEBUG

#define ice_debug(hw, type, fmt, args...) \
	dev_dbg(ice_hw_to_dev(hw), fmt, ##args)


#define ice_debug_array(hw, type, rowsize, groupsize, buf, len) \
	print_hex_dump_debug(KBUILD_MODNAME " ",                \
                             DUMP_PREFIX_OFFSET, rowsize,       \
                             groupsize, buf, len, false)
#else

#define ice_debug(hw, type, fmt, args...)			\
do {                                                            \
        if ((type) & (hw)->debug_mask)                          \
                dev_info(ice_hw_to_dev(hw), fmt, ##args);       \
} while (0)

#ifdef DEBUG

#define ice_debug_array(hw, type, rowsize, groupsize, buf, len) \
do {                                                            \
        if ((type) & (hw)->debug_mask)                          \
                print_hex_dump_debug(KBUILD_MODNAME,            \
                                     DUMP_PREFIX_OFFSET,        \
                                     rowsize, groupsize, buf,   \
                                     len, false);               \
} while (0)
#else

#define ice_debug_array(hw, type, rowsize, groupsize, buf, len) \
do {                                                            \
        struct ice_hw *hw_l = hw;                               \
        if ((type) & (hw_l)->debug_mask) {                      \
                u16 len_l = len;                                \
                u8 *buf_l = buf;                                \
                int i;                                          \
                for (i = 0; i < (len_l - 16); i += 16)          \
                        ice_debug(hw_l, type, "0x%04X  %16ph\n",\
                                  i, ((buf_l) + i));            \
                if (i < len_l)                                  \
                        ice_debug(hw_l, type, "0x%04X  %*ph\n", \
                                  i, ((len_l) - i), ((buf_l) + i));\
        }                                                       \
} while (0)
#endif /* DEBUG */
#endif /* CONFIG_DYNAMIC_DEBUG */

#endif /* _ICE_OSDEP_H_ */

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