Author: jimharris
Date: Sun Nov 3 20:53:45 2013
New Revision: 257589
URL: http://svnweb.freebsd.org/changeset/base/257589
Log:
MFC r256153:
Do not enable temperature threshold as an asynchronous event notification
on NVMe controllers that do not support it.
Sponsored by: Intel
Modified:
stable/9/sys/dev/nvme/nvme_ctrlr.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/nvme/nvme_ctrlr.c
==============================================================================
--- stable/9/sys/dev/nvme/nvme_ctrlr.c Sun Nov 3 20:52:13 2013
(r257588)
+++ stable/9/sys/dev/nvme/nvme_ctrlr.c Sun Nov 3 20:53:45 2013
(r257589)
@@ -708,12 +708,26 @@ nvme_ctrlr_construct_and_submit_aer(stru
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. */
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