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| author |   Bart Van Assche <bvanassche@acm.org> | 2018-12-17 13:20:35 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2018-12-19 15:07:25 -0500 |
| commit | 482fffc43c032ec09dd9ee792a546b36e973dcef (patch) | |
| tree | b7b7343b360e0dfb07da676692e8da9584d0a812 /drivers/infiniband/ulp/srp/ib_srp.h | |
| parent | RDMA/srp: Document srp_parse_in() arguments (diff) | |
| download | linux-dev-482fffc43c032ec09dd9ee792a546b36e973dcef.tar.xz linux-dev-482fffc43c032ec09dd9ee792a546b36e973dcef.zip | |
RDMA/srp: Handle large SCSI CDBs correctly
Reserve additional space for CDBs that contain more than sixteen bytes
and set the add_cdb_len field for such CDBs as required. From the SRP
standard: "The ADDITIONAL CDB LENGTH field contains the length in
dwords of the ADDITIONAL CDB field."
Cc: Sergey Gorenko <sergeygo@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index a2706086b9c7..d6c116a53d5e 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -67,6 +67,8 @@ enum { SRP_TAG_TSK_MGMT = 1U << 31, SRP_MAX_PAGES_PER_MR = 512, + + SRP_MAX_ADD_CDB_LEN = 16, }; enum srp_target_state { |