diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-01-09 16:55:20 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-09 16:07:39 -0500 |
| commit | bd4ad57718cc86d2972a20f9791cd079996a4dd6 (patch) | |
| tree | 8dd6f3960a397907d58b335f4b0d024a57258665 /net/smc/smc_core.h | |
| parent | f38ba179c6ca94ebeb0ac6a0956c4ea533151ad8 (diff) | |
smc: initialize IB transport incl. PD, MR, QP, CQ, event, WR
Prepare the link for RDMA transport:
Create a queue pair (QP) and move it into the state Ready-To-Receive (RTR).
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_core.h')
| -rw-r--r-- | net/smc/smc_core.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index ca4587a95450..f5ea52086d6d 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -90,9 +90,18 @@ struct smc_buf_desc { u64 dma_addr[SMC_LINKS_PER_LGR_MAX]; /* mapped address of buffer */ void *cpu_addr; /* virtual address of buffer */ + struct ib_mr *mr_rx[SMC_LINKS_PER_LGR_MAX]; + /* for rmb only: + * rkey provided to peer + */ u32 used; /* currently used / unused */ }; +struct smc_rtoken { /* address/key of remote RMB */ + u64 dma_addr; + u32 rkey; +}; + struct smc_link_group { struct list_head list; enum smc_lgr_role role; /* client or server */ @@ -109,6 +118,13 @@ struct smc_link_group { rwlock_t sndbufs_lock; /* protects tx buffers */ struct list_head rmbs[SMC_RMBE_SIZES]; /* rx buffers */ rwlock_t rmbs_lock; /* protects rx buffers */ + struct smc_rtoken rtokens[SMC_RMBS_PER_LGR_MAX] + [SMC_LINKS_PER_LGR_MAX]; + /* remote addr/key pairs */ + unsigned long rtokens_used_mask[BITS_TO_LONGS( + SMC_RMBS_PER_LGR_MAX)]; + /* used rtoken elements */ + struct delayed_work free_work; /* delayed freeing of an lgr */ bool sync_err; /* lgr no longer fits to peer */ }; @@ -153,5 +169,7 @@ void smc_lgr_free(struct smc_link_group *lgr); void smc_lgr_terminate(struct smc_link_group *lgr); int smc_sndbuf_create(struct smc_sock *smc); int smc_rmb_create(struct smc_sock *smc); +int smc_rmb_rtoken_handling(struct smc_connection *conn, + struct smc_clc_msg_accept_confirm *clc); #endif |