diff options
| author | Sagi Grimberg <sagi@grimberg.me> | 2018-11-20 10:34:19 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-07 22:26:57 -0700 |
| commit | 9b95d2fb857f242aacbf4e205656818b0ef067e1 (patch) | |
| tree | 25b74884af9120848397c67a773d1fc01a260fee | |
| parent | 0445e1b5a2fed4612b7f72d9a56889c026b60aa9 (diff) | |
nvmet: expose support for fabrics SQ flow control disable in treq
Technical Proposal introduces an indication for SQ flow control
disable support. Expose it since we are able to operate in this mode.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/nvme/target/configfs.c | 1 | ||||
| -rw-r--r-- | include/linux/nvme.h | 8 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index 260a401db01c..db2cb64be7ba 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -1214,6 +1214,7 @@ static struct config_group *nvmet_ports_make(struct config_group *group, port->inline_data_size = -1; /* < 0 == let the transport choose */ port->disc_addr.portid = cpu_to_le16(portid); + port->disc_addr.treq = NVMF_TREQ_DISABLE_SQFLOW; config_group_init_type_name(&port->group, name, &nvmet_port_type); config_group_init_type_name(&port->subsys_group, diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 4fc48071e5ea..c03973c215ad 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -58,11 +58,13 @@ enum { /* Transport Requirements codes for Discovery Log Page entry TREQ field */ enum { - NVMF_TREQ_NOT_SPECIFIED = 0, /* Not specified */ - NVMF_TREQ_REQUIRED = 1, /* Required */ - NVMF_TREQ_NOT_REQUIRED = 2, /* Not Required */ + NVMF_TREQ_NOT_SPECIFIED = 0, /* Not specified */ + NVMF_TREQ_REQUIRED = 1, /* Required */ + NVMF_TREQ_NOT_REQUIRED = 2, /* Not Required */ #define NVME_TREQ_SECURE_CHANNEL_MASK \ (NVMF_TREQ_REQUIRED | NVMF_TREQ_NOT_REQUIRED) + + NVMF_TREQ_DISABLE_SQFLOW = (1 << 2), /* Supports SQ flow control disable */ }; /* RDMA QP Service Type codes for Discovery Log Page entry TSAS |