diff options
| author | Hannes Reinecke <hare@suse.de> | 2023-08-24 16:39:15 +0200 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2023-10-11 10:11:55 -0700 |
| commit | be8e82caa685997b524dc7e4932853fd2fbe6199 (patch) | |
| tree | 257750d9a87d3fb1eb3166ded13c53cb6ba29ff3 /drivers/nvme/host/sysfs.c | |
| parent | e40d4eb84089eae14a3396ba8b0db7b1f24ef2f8 (diff) | |
nvme-tcp: enable TLS handshake upcall
Add a fabrics option 'tls' and start the TLS handshake upcall
with the default PSK. When TLS is started the PSK key serial
number is displayed in the sysfs attribute 'tls_key'
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/nvme/host/sysfs.c')
| -rw-r--r-- | drivers/nvme/host/sysfs.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c index 212e1b05d298..d0966159981c 100644 --- a/drivers/nvme/host/sysfs.c +++ b/drivers/nvme/host/sysfs.c @@ -527,6 +527,19 @@ static DEVICE_ATTR(dhchap_ctrl_secret, S_IRUGO | S_IWUSR, nvme_ctrl_dhchap_ctrl_secret_show, nvme_ctrl_dhchap_ctrl_secret_store); #endif +#ifdef CONFIG_NVME_TCP_TLS +static ssize_t tls_key_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct nvme_ctrl *ctrl = dev_get_drvdata(dev); + + if (!ctrl->tls_key) + return 0; + return sysfs_emit(buf, "%08x", key_serial(ctrl->tls_key)); +} +static DEVICE_ATTR_RO(tls_key); +#endif + static struct attribute *nvme_dev_attrs[] = { &dev_attr_reset_controller.attr, &dev_attr_rescan_controller.attr, @@ -554,6 +567,9 @@ static struct attribute *nvme_dev_attrs[] = { &dev_attr_dhchap_secret.attr, &dev_attr_dhchap_ctrl_secret.attr, #endif +#ifdef CONFIG_NVME_TCP_TLS + &dev_attr_tls_key.attr, +#endif NULL }; @@ -583,6 +599,11 @@ static umode_t nvme_dev_attrs_are_visible(struct kobject *kobj, if (a == &dev_attr_dhchap_ctrl_secret.attr && !ctrl->opts) return 0; #endif +#ifdef CONFIG_NVME_TCP_TLS + if (a == &dev_attr_tls_key.attr && + (!ctrl->opts || strcmp(ctrl->opts->transport, "tcp"))) + return 0; +#endif return a->mode; } |