mirror of
https://github.com/torvalds/linux.git
synced 2024-11-26 14:12:06 +00:00
8747716f39
Register the smc module with the new ism device driver API. This is the second part of a bigger overhaul of the interfaces between SMC and ISM. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Jan Karcher <jaka@linux.ibm.com> Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Shared Memory Communications Direct over ISM devices (SMC-D)
|
|
*
|
|
* SMC-D ISM device structure definitions.
|
|
*
|
|
* Copyright IBM Corp. 2018
|
|
*/
|
|
|
|
#ifndef SMCD_ISM_H
|
|
#define SMCD_ISM_H
|
|
|
|
#include <linux/uio.h>
|
|
#include <linux/types.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include "smc.h"
|
|
|
|
struct smcd_dev_list { /* List of SMCD devices */
|
|
struct list_head list;
|
|
struct mutex mutex; /* Protects list of devices */
|
|
};
|
|
|
|
extern struct smcd_dev_list smcd_dev_list; /* list of smcd devices */
|
|
|
|
struct smc_ism_vlanid { /* VLAN id set on ISM device */
|
|
struct list_head list;
|
|
unsigned short vlanid; /* Vlan id */
|
|
refcount_t refcnt; /* Reference count */
|
|
};
|
|
|
|
struct smcd_dev;
|
|
|
|
int smc_ism_cantalk(u64 peer_gid, unsigned short vlan_id, struct smcd_dev *dev);
|
|
void smc_ism_set_conn(struct smc_connection *conn);
|
|
void smc_ism_unset_conn(struct smc_connection *conn);
|
|
int smc_ism_get_vlan(struct smcd_dev *dev, unsigned short vlan_id);
|
|
int smc_ism_put_vlan(struct smcd_dev *dev, unsigned short vlan_id);
|
|
int smc_ism_register_dmb(struct smc_link_group *lgr, int buf_size,
|
|
struct smc_buf_desc *dmb_desc);
|
|
int smc_ism_unregister_dmb(struct smcd_dev *dev, struct smc_buf_desc *dmb_desc);
|
|
int smc_ism_signal_shutdown(struct smc_link_group *lgr);
|
|
void smc_ism_get_system_eid(u8 **eid);
|
|
u16 smc_ism_get_chid(struct smcd_dev *dev);
|
|
bool smc_ism_is_v2_capable(void);
|
|
int smc_ism_init(void);
|
|
void smc_ism_exit(void);
|
|
int smcd_nl_get_device(struct sk_buff *skb, struct netlink_callback *cb);
|
|
|
|
static inline int smc_ism_write(struct smcd_dev *smcd, u64 dmb_tok,
|
|
unsigned int idx, bool sf, unsigned int offset,
|
|
void *data, size_t len)
|
|
{
|
|
int rc;
|
|
|
|
rc = smcd->ops->move_data(smcd, dmb_tok, idx, sf, offset, data, len);
|
|
return rc < 0 ? rc : 0;
|
|
}
|
|
|
|
#endif
|