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| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-01-09 18:55:18 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-10 00:07:39 +0300 |
| commit | cd6851f30386e5e04b5c2253f8e1647ba0ebcd31 (patch) | |
| tree | 9aadc7a36c03303408ebe4d24011be3fcc9b9b6e /net/smc/smc_ib.h | |
| parent | 0cfdd8f92cac01afbb12e4500514036a2b78756b (diff) | |
| download | linux-cd6851f30386e5e04b5c2253f8e1647ba0ebcd31.tar.xz | |
smc: remote memory buffers (RMBs)
* allocate data RMB memory for sending and receiving
* size depends on the maximum socket send and receive buffers
* allocated RMBs are kept during life time of the owning link group
* map the allocated RMBs to DMA
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_ib.h')
| -rw-r--r-- | net/smc/smc_ib.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h index 63613e715f4f..c3b61726861a 100644 --- a/net/smc/smc_ib.h +++ b/net/smc/smc_ib.h @@ -32,9 +32,14 @@ struct smc_ib_device { /* ib-device infos for smc */ u8 initialized : 1; /* ib dev CQ, evthdl done */ }; +struct smc_buf_desc; + 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); +int smc_ib_buf_map(struct smc_ib_device *smcibdev, int buf_size, + struct smc_buf_desc *buf_slot, + enum dma_data_direction data_direction); #endif |