mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 14:53:58 -04:00
Create the file structure for a 'DIBS - Direct Internal Buffer Sharing' shim layer that will provide generic functionality and declarations for dibs device drivers and dibs clients. Following patches will add functionality. Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Link: https://patch.msgid.link/20250918110500.1731261-4-wintera@linux.ibm.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
38 lines
744 B
C
38 lines
744 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* DIBS - Direct Internal Buffer Sharing
|
|
*
|
|
* Implementation of the DIBS class module
|
|
*
|
|
* Copyright IBM Corp. 2025
|
|
*/
|
|
#define KMSG_COMPONENT "dibs"
|
|
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
#include <linux/err.h>
|
|
#include <linux/dibs.h>
|
|
|
|
MODULE_DESCRIPTION("Direct Internal Buffer Sharing class");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
/* use an array rather a list for fast mapping: */
|
|
static struct dibs_client *clients[MAX_DIBS_CLIENTS];
|
|
static u8 max_client;
|
|
|
|
static int __init dibs_init(void)
|
|
{
|
|
memset(clients, 0, sizeof(clients));
|
|
max_client = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit dibs_exit(void)
|
|
{
|
|
}
|
|
|
|
module_init(dibs_init);
|
|
module_exit(dibs_exit);
|