swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
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Tip revision: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9 authored by Linus Torvalds on 13 March 2022, 20:23:37 UTC
Linux 5.17-rc8
Tip revision: 09688c0
lib.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
#define SOUND_FIREWIRE_LIB_H_INCLUDED

#include <linux/firewire-constants.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <sound/rawmidi.h>

struct fw_unit;

#define FW_GENERATION_MASK	0x00ff
#define FW_FIXED_GENERATION	0x0100
#define FW_QUIET		0x0200

int snd_fw_transaction(struct fw_unit *unit, int tcode,
		       u64 offset, void *buffer, size_t length,
		       unsigned int flags);

/* returns true if retrying the transaction would not make sense */
static inline bool rcode_is_permanent_error(int rcode)
{
	return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
}

#endif
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