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| author |   Christoph Hellwig <hch@lst.de> | 2018-05-30 15:04:47 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-06-01 14:37:35 +0200 |
| commit | c86b8f7b4144affc4daa8b4047cd4da936b087ef (patch) | |
| tree | e09b828f4fe9dd58f0ee142858144ca84c3899ed /drivers/nvme/target/core.c | |
| parent | nvmet: implement the changed namespaces log (diff) | |
| download | linux-dev-c86b8f7b4144affc4daa8b4047cd4da936b087ef.tar.xz linux-dev-c86b8f7b4144affc4daa8b4047cd4da936b087ef.zip | |
nvmet: add AEN configuration support
AEN configuration via the 'Get Features' and 'Set Features' admin
command is mandatory, so we should be implemeting handling for it.
Signed-off-by: Hannes Reinecke <hare@suse.com>
[hch: use WRITE_ONCE, check for invalid values]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Diffstat (limited to 'drivers/nvme/target/core.c')
| -rw-r--r-- | drivers/nvme/target/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 4fe88e15c641..5a086b670f42 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -174,6 +174,8 @@ static void nvmet_ns_changed(struct nvmet_subsys *subsys, u32 nsid) list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) { nvmet_add_to_changed_ns_log(ctrl, cpu_to_le32(nsid)); + if (!(READ_ONCE(ctrl->aen_enabled) & NVME_AEN_CFG_NS_ATTR)) + continue; nvmet_add_async_event(ctrl, NVME_AER_TYPE_NOTICE, NVME_AER_NOTICE_NS_CHANGED, NVME_LOG_CHANGED_NS); @@ -861,6 +863,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn, kref_init(&ctrl->ref); ctrl->subsys = subsys; + WRITE_ONCE(ctrl->aen_enabled, NVMET_AEN_CFG_OPTIONAL); ctrl->changed_ns_list = kmalloc_array(NVME_MAX_CHANGED_NAMESPACES, sizeof(__le32), GFP_KERNEL); |