xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

smc: introduce SMC as an IB-client

Browse Source 
* create a list of SMC IB-devices

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2017-01-09 16:55:14 +01:00
committed by David S. Miller
parent ac7138746e
commit a4cf0443c4
5 changed files with 200 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
net/smc/smc_ib.h Normal file
View File

@@ -0,0 +1,40 @@
/*
* Shared Memory Communications over RDMA (SMC-R) and RoCE
*
* Definitions for IB environment
*
* Copyright IBM Corp. 2016
*
* Author(s): Ursula Braun <Ursula Braun@linux.vnet.ibm.com>
*/
#ifndef _SMC_IB_H
#define _SMC_IB_H
#include <rdma/ib_verbs.h>
#define SMC_MAX_PORTS 2 /* Max # of ports */
#define SMC_GID_SIZE sizeof(union ib_gid)
struct smc_ib_devices { /* list of smc ib devices definition */
struct list_head list;
spinlock_t lock; /* protects list of smc ib devices */
};
extern struct smc_ib_devices smc_ib_devices; /* list of smc ib devices */
struct smc_ib_device { /* ib-device infos for smc */
struct list_head list;
struct ib_device *ibdev;
struct ib_port_attr pattr[SMC_MAX_PORTS]; /* ib dev. port attrs */
char mac[SMC_MAX_PORTS][6]; /* mac address per port*/
union ib_gid gid[SMC_MAX_PORTS]; /* gid per port */
u8 initialized : 1; /* ib dev CQ, evthdl done */
};
int smc_ib_register_client(void) __init;
void smc_ib_unregister_client(void);
bool smc_ib_port_active(struct smc_ib_device *smcibdev, u8 ibport);
int smc_ib_remember_port_attr(struct smc_ib_device *smcibdev, u8 ibport);
#endif