From 478bcb9388f2c3eedba34ed5811793400047f95d Mon Sep 17 00:00:00 2001 From: James Smart Date: Tue, 2 Aug 2016 10:42:10 +0300 Subject: nvme-fabrics: Add host_traddr options field to host infrastructure Add the host_traddr field to allow specification of the host-port connection info for the transport. Will be used by FC transport. Signed-off-by: James Smart Acked-by: Johannes Thumshirn Reviewed-by: Christoph Hellwig Signed-off-by: Sagi Grimberg --- drivers/nvme/host/fabrics.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/nvme/host/fabrics.c') diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 2867b92cbdfb..1c07b76cbdeb 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -116,6 +116,9 @@ int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size) if (ctrl->opts->mask & NVMF_OPT_TRSVCID) len += snprintf(buf + len, size - len, "%strsvcid=%s", (len) ? "," : "", ctrl->opts->trsvcid); + if (ctrl->opts->mask & NVMF_OPT_HOST_TRADDR) + len += snprintf(buf + len, size - len, "%shost_traddr=%s", + (len) ? "," : "", ctrl->opts->host_traddr); len += snprintf(buf + len, size - len, "\n"); return len; @@ -518,6 +521,7 @@ static const match_table_t opt_tokens = { { NVMF_OPT_RECONNECT_DELAY, "reconnect_delay=%d" }, { NVMF_OPT_KATO, "keep_alive_tmo=%d" }, { NVMF_OPT_HOSTNQN, "hostnqn=%s" }, + { NVMF_OPT_HOST_TRADDR, "host_traddr=%s" }, { NVMF_OPT_ERR, NULL } }; @@ -674,6 +678,14 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, } opts->reconnect_delay = token; break; + case NVMF_OPT_HOST_TRADDR: + p = match_strdup(args); + if (!p) { + ret = -ENOMEM; + goto out; + } + opts->host_traddr = p; + break; default: pr_warn("unknown parameter or missing value '%s' in ctrl creation request\n", p); @@ -740,6 +752,7 @@ void nvmf_free_options(struct nvmf_ctrl_options *opts) kfree(opts->traddr); kfree(opts->trsvcid); kfree(opts->subsysnqn); + kfree(opts->host_traddr); kfree(opts); } EXPORT_SYMBOL_GPL(nvmf_free_options); -- cgit