diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-07-28 13:56:15 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-29 11:22:57 -0700 |
| commit | a3fe3d01bd0d7cd6ee7a5e3eebc0926c47954fe7 (patch) | |
| tree | c0e06f13c8691a67638ec6d1ed143eea7e8d8cdd /net/smc/smc_ib.h | |
| parent | c45abf31e72f7640c5e84adda4683b72cb32a222 (diff) | |
| download | lwn-a3fe3d01bd0d7cd6ee7a5e3eebc0926c47954fe7.tar.gz lwn-a3fe3d01bd0d7cd6ee7a5e3eebc0926c47954fe7.zip | |
net/smc: introduce sg-logic for RMBs
The follow-on patch makes use of ib_map_mr_sg() when introducing
separate memory regions for RMBs. This function is based on
scatterlists; thus this patch introduces scatterlists for RMBs.
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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h index b567152a526d..b30e387854b6 100644 --- a/net/smc/smc_ib.h +++ b/net/smc/smc_ib.h @@ -57,6 +57,12 @@ int smc_ib_buf_map(struct smc_ib_device *smcibdev, int buf_size, void smc_ib_buf_unmap(struct smc_ib_device *smcibdev, int bufsize, struct smc_buf_desc *buf_slot, enum dma_data_direction data_direction); +int smc_ib_buf_map_sg(struct smc_ib_device *smcibdev, + struct smc_buf_desc *buf_slot, + enum dma_data_direction data_direction); +void smc_ib_buf_unmap_sg(struct smc_ib_device *smcibdev, + struct smc_buf_desc *buf_slot, + enum dma_data_direction data_direction); void smc_ib_dealloc_protection_domain(struct smc_link *lnk); int smc_ib_create_protection_domain(struct smc_link *lnk); void smc_ib_destroy_queue_pair(struct smc_link *lnk); |