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nvme/pci: re-check security protocol support after reset

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A device may change capabilities after each reset, e.g. due to a firmware
upgrade.  We should thus check for Security Send/Receive and OPAL support
after each reset.

Based on patches from Christoph and Keith.

Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Scott Bauer 2017-02-22 10:15:07 -07:00 committed by Jens Axboe
parent 7d6d15789d
commit e286bcfc59
1 changed files with 10 additions and 7 deletions
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17
drivers/nvme/host/pci.c
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@ -1736,7 +1736,7 @@ static void nvme_pci_free_ctrl(struct nvme_ctrl *ctrl)
if (dev->ctrl.admin_q)
blk_put_queue(dev->ctrl.admin_q);
kfree(dev->queues);
kfree(dev->ctrl.opal_dev);
free_opal_dev(dev->ctrl.opal_dev);
kfree(dev);
}
@ -1786,14 +1786,17 @@ static void nvme_reset_work(struct work_struct *work)
if (result)
goto out;
if ((dev->ctrl.oacs & NVME_CTRL_OACS_SEC_SUPP) && !dev->ctrl.opal_dev) {
dev->ctrl.opal_dev =
init_opal_dev(&dev->ctrl, &nvme_sec_submit);
if (dev->ctrl.oacs & NVME_CTRL_OACS_SEC_SUPP) {
if (!dev->ctrl.opal_dev)
dev->ctrl.opal_dev =
init_opal_dev(&dev->ctrl, &nvme_sec_submit);
else if (was_suspend)
opal_unlock_from_suspend(dev->ctrl.opal_dev);
} else {
free_opal_dev(dev->ctrl.opal_dev);
dev->ctrl.opal_dev = NULL;
}
if (was_suspend)
opal_unlock_from_suspend(dev->ctrl.opal_dev);
result = nvme_setup_io_queues(dev);
if (result)
goto out;