diff options
| author | Scott Bauer <scott.bauer@intel.com> | 2017-02-17 13:59:40 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-17 20:41:49 +0100 |
| commit | 8a9ae523282f324989850fcf41312b42a2fb9296 (patch) | |
| tree | 6cb1aa6430c7668b4ffeb4835329f76becdf016a | |
| parent | block/sed-opal: allocate struct opal_dev dynamically (diff) | |
| download | linux-8a9ae523282f324989850fcf41312b42a2fb9296.tar.xz linux-8a9ae523282f324989850fcf41312b42a2fb9296.zip | |
nvme: Check for Security send/recv support before issuing commands.
We need to verify that the controller supports the security
commands before actually trying to issue them.
Signed-off-by: Scott Bauer <scott.bauer@intel.com>
[hch: moved the check so that we don't call into the OPAL code if not
supported]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | drivers/nvme/host/core.c | 1 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 2 | ||||
| -rw-r--r-- | include/linux/nvme.h | 1 |
4 files changed, 4 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f6b56a12457a..b4e743d1c0b4 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1264,6 +1264,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) return -EIO; } + ctrl->oacs = le16_to_cpu(id->oacs); ctrl->vid = le16_to_cpu(id->vid); ctrl->oncs = le16_to_cpup(&id->oncs); atomic_set(&ctrl->abort_limit, id->acl + 1); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index fd94c94ccbcb..b0977229e219 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -140,6 +140,7 @@ struct nvme_ctrl { u32 max_hw_sectors; u16 oncs; u16 vid; + u16 oacs; atomic_t abort_limit; u8 event_limit; u8 vwc; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 50b070528c50..85896d46aebc 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1792,7 +1792,7 @@ static void nvme_reset_work(struct work_struct *work) if (result) goto out; - if (!dev->ctrl.opal_dev) { + 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); } diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 3d1c6f1b15c9..00eac863a9c7 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -244,6 +244,7 @@ enum { NVME_CTRL_ONCS_DSM = 1 << 2, NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3, NVME_CTRL_VWC_PRESENT = 1 << 0, + NVME_CTRL_OACS_SEC_SUPP = 1 << 0, }; struct nvme_lbaf { |