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| author | Jenny Derzhavetz <jennyf@mellanox.com> | 2015-12-24 12:20:48 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-26 19:27:10 -0500 |
| commit | 59caaed7a72a0e3750dfb84636dae6b781559310 (patch) | |
| tree | 69fce7d166f4552fbee364c1c6fe3879c4110070 /drivers/infiniband/ulp/iser/iser_memory.c | |
| parent | e26d2d21ff8e3e4f9768960a83e4b7be43f0aeed (diff) | |
| download | linux-59caaed7a72a0e3750dfb84636dae6b781559310.tar.gz linux-59caaed7a72a0e3750dfb84636dae6b781559310.tar.bz2 linux-59caaed7a72a0e3750dfb84636dae6b781559310.zip | |
IB/iser: Support the remote invalidation exception
Declare that we support remote invalidation in case we are:
1. using fastreg method
2. always registering memory
Detect the invalidated rkey from the work completion info so we
won't invalidate it locally. The spec mandates that we must not rely
on the target remote invalidate our rkey so we must check it upon
a receive (scsi response) completion.
Signed-off-by: Jenny Derzhavetz <jennyf@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_memory.c')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 722b8aa703c7..9a391cc5b9b3 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -84,6 +84,7 @@ int iser_assign_reg_ops(struct iser_device *device) } else if (ib_dev->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) { iser_info("FastReg supported, using FastReg for registration\n"); device->reg_ops = &fastreg_ops; + device->remote_inv_sup = iser_always_reg; } else { iser_err("IB device does not support FMRs nor FastRegs, can't register memory\n"); return -1; |