kernel/sound/firewire/packets-buffer.h
sevki c9e1dba412 chore(ci): setup github actions and workflows
setup CI/CD for kernel development
- added CodeQL for code scanning
- every pr is built as an image and is available for
  30days on https://oklinux.dev
- tagged and released on github for now

Signed-off-by: sevki <s@sevki.io>
2024-03-15 21:46:24 +00:00

27 lines
786 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
#include <linux/dma-mapping.h>
#include <linux/firewire.h>
/**
* struct iso_packets_buffer - manages a buffer for many packets
* @iso_buffer: the memory containing the packets
* @packets: an array, with each element pointing to one packet
*/
struct iso_packets_buffer {
struct fw_iso_buffer iso_buffer;
struct {
void *buffer;
unsigned int offset;
} *packets;
};
int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
unsigned int count, unsigned int packet_size,
enum dma_data_direction direction);
void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
struct fw_unit *unit);
#endif