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Add some nvme initialization routines to TSLOG

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About 335 ms of EC2 instance boot time is being spent here.
This commit is contained in:
Colin Percival 2021-09-05 12:48:43 -07:00
parent 7347dfce01
commit bad42df9bf
1 changed files with 10 additions and 1 deletions
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11
sys/dev/nvme/nvme_ctrlr.c
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@ -407,6 +407,7 @@ nvme_ctrlr_hw_reset(struct nvme_controller *ctrlr)
{
int err;
TSENTER();
nvme_ctrlr_disable_qpairs(ctrlr);
pause("nvmehwreset", hz / 10);
@ -414,7 +415,9 @@ nvme_ctrlr_hw_reset(struct nvme_controller *ctrlr)
err = nvme_ctrlr_disable(ctrlr);
if (err != 0)
return err;
return (nvme_ctrlr_enable(ctrlr));
err = nvme_ctrlr_enable(ctrlr);
TSEXIT();
return (err);
}
void
@ -1045,6 +1048,8 @@ nvme_ctrlr_start(void *ctrlr_arg, bool resetting)
uint32_t old_num_io_queues;
int i;
TSENTER();
/*
* Only reset adminq here when we are restarting the
* controller after a reset. During initialization,
@ -1117,6 +1122,7 @@ nvme_ctrlr_start(void *ctrlr_arg, bool resetting)
for (i = 0; i < ctrlr->num_io_queues; i++)
nvme_io_qpair_enable(&ctrlr->ioq[i]);
TSEXIT();
}
void
@ -1124,6 +1130,8 @@ nvme_ctrlr_start_config_hook(void *arg)
{
struct nvme_controller *ctrlr = arg;
TSENTER();
/*
* Reset controller twice to ensure we do a transition from cc.en==1 to
* cc.en==0. This is because we don't really know what status the
@ -1155,6 +1163,7 @@ fail:
ctrlr->is_initialized = 1;
nvme_notify_new_controller(ctrlr);
TSEXIT();
}
static void