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| author | jimharris <jimharris@FreeBSD.org> | 2013-10-08 15:49:14 +0000 |
|---|---|---|
| committer | jimharris <jimharris@FreeBSD.org> | 2013-10-08 15:49:14 +0000 |
| commit | 9cdb85e5c10e1d1e964b04d57d17b35b32e55c0c (patch) | |
| tree | 9df8e9cfe92469ed7e69f30d91be2615b9c87a94 | |
| parent | bb66cfd2ae8464ce44d16ab33621589703029906 (diff) | |
| download | FreeBSD-src-9cdb85e5c10e1d1e964b04d57d17b35b32e55c0c.zip FreeBSD-src-9cdb85e5c10e1d1e964b04d57d17b35b32e55c0c.tar.gz | |
Do not enable temperature threshold as an asynchronous event notification
on NVMe controllers that do not support it.
Sponsored by: Intel
Reviewed by: carl
Approved by: re (hrs)
MFC after: 1 week
| -rw-r--r-- | sys/dev/nvme/nvme_ctrlr.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c index 4845782..33e77a8 100644 --- a/sys/dev/nvme/nvme_ctrlr.c +++ b/sys/dev/nvme/nvme_ctrlr.c @@ -708,12 +708,26 @@ nvme_ctrlr_construct_and_submit_aer(struct nvme_controller *ctrlr, static void nvme_ctrlr_configure_aer(struct nvme_controller *ctrlr) { + struct nvme_completion_poll_status status; union nvme_critical_warning_state state; struct nvme_async_event_request *aer; uint32_t i; state.raw = 0xFF; state.bits.reserved = 0; + + status.done = FALSE; + nvme_ctrlr_cmd_get_feature(ctrlr, NVME_FEAT_TEMPERATURE_THRESHOLD, + 0, NULL, 0, nvme_completion_poll_cb, &status); + while (status.done == FALSE) + pause("nvme", 1); + if (nvme_completion_is_error(&status.cpl) || + (status.cpl.cdw0 & 0xFFFF) == 0xFFFF || + (status.cpl.cdw0 & 0xFFFF) == 0x0000) { + nvme_printf(ctrlr, "temperature threshold not supported\n"); + state.bits.temperature = 0; + } + nvme_ctrlr_cmd_set_async_event_config(ctrlr, state, NULL, NULL); /* aerl is a zero-based value, so we need to add 1 here. */ |
