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Add support for the block multicast loopback QP creation flag along
the proper firmware API for that.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This commit takes care of the generated signature error CQE generated
by the HW (if happened). The underlying mlx5 driver will handle
signature error completions and will mark the relevant memory region
as dirty.
Once the consumer gets the completion for the transaction, it must
check for signature errors on signature memory region using a new
lightweight verb ib_check_mr_status().
In case the user doesn't check for signature error (i.e. doesn't call
ib_check_mr_status() with status check IB_MR_CHECK_SIG_STATUS), the
memory region cannot be used for another signature operation
(REG_SIG_MR work request will fail).
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch implements IB_WR_REG_SIG_MR posted by the user.
Baisically this WR involves 3 WQEs in order to prepare and properly
register the signature layout:
1. post UMR WR to register the sig_mr in one of two possible ways:
* In case the user registered a single MR for data so the UMR data segment
consists of:
- single klm (data MR) passed by the user
- BSF with signature attributes requested by the user.
* In case the user registered 2 MRs, one for data and one for protection,
the UMR consists of:
- strided block format which includes data and protection MRs and
their repetitive block format.
- BSF with signature attributes requested by the user.
2. post SET_PSV in order to set the memory domain initial
signature parameters passed by the user.
SET_PSV is not signaled and solicited CQE.
3. post SET_PSV in order to set the wire domain initial
signature parameters passed by the user.
SET_PSV is not signaled and solicited CQE.
* After this compound WR we place a small fence for next WR to come.
This patch also introduces some helper functions to set the BSF correctly
and determining the signature format selectors.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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If user requested signature enable we initialize relevant mlx5_ib_qp
members. We mark the qp as sig_enable and we increase the effective
SQ size, but still limit the user max_send_wr to original size
computed. We also allow the create_qp routine to accept sig_enable
create flag.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Use strings to display transport service or state of QPs. Use numeric
value for MTU of a QP.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The driver is comprised of two kernel modules: mlx5_ib and mlx5_core.
This partitioning resembles what we have for mlx4, except that mlx5_ib
is the pci device driver and not mlx5_core.
mlx5_core is essentially a library that provides general functionality
that is intended to be used by other Mellanox devices that will be
introduced in the future. mlx5_ib has a similar role as any hardware
device under drivers/infiniband/hw.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
[ Merge in coccinelle fixes from Fengguang Wu <fengguang.wu@intel.com>.
- Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>
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