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bdev/nvme: add HotplugEnable option

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Change-Id: I53fb7c3b469d5d5bb5b86c095bf1efc914299ec7
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2017-03-30 12:57:10 -07:00 committed by Jim Harris
parent edbca2a676
commit 7f957f56c1
4 changed files with 20 additions and 3 deletions
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3
etc/spdk/iscsi.conf.in
View File

@ -108,6 +108,9 @@
# Units in microseconds.
AdminPollRate 100000
# Enable handling of hotplug (runtime insert and remove) events
HotplugEnable Yes
# Users may change this section to create a different number or size of
# malloc LUNs.
# If the system has hardware DMA engine, it will use an IOAT

3
etc/spdk/nvmf.conf.in
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@ -99,6 +99,9 @@
# Units in microseconds.
AdminPollRate 100000
# Enable handling of hotplug (runtime insert and remove) events
HotplugEnable Yes
# The Split virtual block device slices block devices into multiple smaller bdevs.
[Split]
# Syntax:

4
etc/spdk/vhost.conf.in
View File

@ -90,6 +90,10 @@
# Units in microseconds.
AdminPollRate 100000
# Enable handling of hotplug (runtime insert and remove) events
# vhost currently does not support hotplug
HotplugEnable No
# The Split virtual block device slices block devices into multiple smaller bdevs.
[Split]
# Syntax:

13
lib/bdev/nvme/blockdev_nvme.c
View File

@ -115,6 +115,7 @@ static int g_hot_insert_nvme_controller_index = 0;
static bool g_reset_controller_on_timeout = false;
static int g_timeout = 0;
static int g_nvme_adminq_poll_timeout_us = 0;
static bool g_nvme_hotplug_enabled;
static int g_nvme_hotplug_poll_timeout_us = 0;
static int g_nvme_hotplug_poll_core = 0;
static struct spdk_poller *g_hotplug_poller;
@ -780,6 +781,8 @@ bdev_nvme_library_init(void)
g_nvme_adminq_poll_timeout_us = 1000000;
}
g_nvme_hotplug_enabled = spdk_conf_section_get_boolval(sp, "HotplugEnable", true);
g_nvme_hotplug_poll_timeout_us = spdk_conf_section_get_intval(sp, "HotplugPollRate");
if (g_nvme_hotplug_poll_timeout_us <= 0 || g_nvme_hotplug_poll_timeout_us > 100000) {
g_nvme_hotplug_poll_timeout_us = 100000;
@ -794,8 +797,10 @@ bdev_nvme_library_init(void)
return -1;
}
spdk_poller_register(&g_hotplug_poller, blockdev_nvme_hotplug, NULL,
g_nvme_hotplug_poll_core, g_nvme_hotplug_poll_timeout_us);
if (g_nvme_hotplug_enabled) {
spdk_poller_register(&g_hotplug_poller, blockdev_nvme_hotplug, NULL,
g_nvme_hotplug_poll_core, g_nvme_hotplug_poll_timeout_us);
}
return 0;
}
@ -805,7 +810,9 @@ bdev_nvme_library_fini(void)
{
struct nvme_bdev *nvme_bdev, *btmp;
spdk_poller_unregister(&g_hotplug_poller, NULL);
if (g_nvme_hotplug_enabled) {
spdk_poller_unregister(&g_hotplug_poller, NULL);
}
TAILQ_FOREACH_SAFE(nvme_bdev, &g_nvme_bdevs, link, btmp) {
bdev_nvme_destruct(&nvme_bdev->disk);