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IB/isert: Support the remote invalidation exception

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We'll use remote invalidate, according to negotiation result
during connection establishment. If the initiator declared that
it supports the remote invalidate exception and the local HCA
supports IB_DEVICE_MEM_MGT_EXTENSIONS then the target will
use IB_WR_SEND_WITH_INV with the correct rkey for the response.

Signed-off-by: Jenny Derzhavetz <jennyf@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jenny Derzhavetz
2015-12-09 14:12:06 +02:00
committed by Doug Ledford
parent 13bce4821f
commit 422bd0acb0
2 changed files with 41 additions and 7 deletions
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2
drivers/infiniband/ulp/isert/ib_isert.h
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@@ -163,6 +163,7 @@ struct isert_cmd {
uint32_t write_stag;
uint64_t read_va;
uint64_t write_va;
uint32_t inv_rkey;
u64 pdu_buf_dma;
u32 pdu_buf_len;
struct isert_conn *conn;
@@ -210,6 +211,7 @@ struct isert_conn {
struct work_struct release_work;
struct ib_recv_wr beacon;
bool logout_posted;
bool snd_w_inv;
};
#define ISERT_MAX_CQ 64