diff options
Diffstat (limited to 'net/smc/smc_loopback.h')
| -rw-r--r-- | net/smc/smc_loopback.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/net/smc/smc_loopback.h b/net/smc/smc_loopback.h deleted file mode 100644 index 04dc6808d2e1..000000000000 --- a/net/smc/smc_loopback.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Shared Memory Communications Direct over loopback-ism device. - * - * SMC-D loopback-ism device structure definitions. - * - * Copyright (c) 2024, Alibaba Inc. - * - * Author: Wen Gu <guwen@linux.alibaba.com> - * Tony Lu <tonylu@linux.alibaba.com> - * - */ - -#ifndef _SMC_LOOPBACK_H -#define _SMC_LOOPBACK_H - -#include <linux/device.h> -#include <net/smc.h> - -#if IS_ENABLED(CONFIG_SMC_LO) -#define SMC_LO_MAX_DMBS 5000 -#define SMC_LO_DMBS_HASH_BITS 12 -#define SMC_LO_RESERVED_CHID 0xFFFF - -struct smc_lo_dmb_node { - struct hlist_node list; - u64 token; - u32 len; - u32 sba_idx; - void *cpu_addr; - dma_addr_t dma_addr; - refcount_t refcnt; -}; - -struct smc_lo_dev { - struct smcd_dev *smcd; - struct device dev; - u16 chid; - struct smcd_gid local_gid; - atomic_t dmb_cnt; - rwlock_t dmb_ht_lock; - DECLARE_BITMAP(sba_idx_mask, SMC_LO_MAX_DMBS); - DECLARE_HASHTABLE(dmb_ht, SMC_LO_DMBS_HASH_BITS); - wait_queue_head_t ldev_release; -}; - -int smc_loopback_init(void); -void smc_loopback_exit(void); -#else -static inline int smc_loopback_init(void) -{ - return 0; -} - -static inline void smc_loopback_exit(void) -{ -} -#endif - -#endif /* _SMC_LOOPBACK_H */ |