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| author | Scott Bauer <scott.bauer@intel.com> | 2017-02-03 22:50:32 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-06 19:44:21 +0300 |
| commit | a98e58e54fbd0c80b6a46a7cac6e231eed3b3efa (patch) | |
| tree | fa346839016a9667d47cf28d0744828d9db93006 /drivers/nvme/host/core.c | |
| parent | 455a7b238cd6bc68c4a550cbbd37c1e22b64f71c (diff) | |
| download | linux-a98e58e54fbd0c80b6a46a7cac6e231eed3b3efa.tar.xz | |
nvme: Add Support for Opal: Unlock from S3 & Opal Allocation/Ioctls
This patch implements the necessary logic to unlock an Opal
enabled device coming back from an S3.
The patch also implements the SED/Opal allocation necessary to support
the opal ioctls.
Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 037ee999e759..26ae4afd3737 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -788,6 +788,8 @@ static int nvme_ioctl(struct block_device *bdev, fmode_t mode, if (ns->ndev) return nvme_nvm_ioctl(ns, cmd, arg); #endif + if (is_sed_ioctl(cmd)) + return sed_ioctl(&ns->ctrl->opal_dev, cmd, arg); return -ENOTTY; } } @@ -1055,6 +1057,29 @@ static const struct pr_ops nvme_pr_ops = { .pr_clear = nvme_pr_clear, }; +#ifdef CONFIG_BLK_SED_OPAL +int nvme_sec_submit(struct opal_dev *dev, u16 spsp, u8 secp, + void *buffer, size_t len, bool send) +{ + struct nvme_command cmd; + struct nvme_ctrl *ctrl = NULL; + + memset(&cmd, 0, sizeof(cmd)); + if (send) + cmd.common.opcode = nvme_admin_security_send; + else + cmd.common.opcode = nvme_admin_security_recv; + ctrl = container_of(dev, struct nvme_ctrl, opal_dev); + cmd.common.nsid = 0; + cmd.common.cdw10[0] = cpu_to_le32(((u32)secp) << 24 | ((u32)spsp) << 8); + cmd.common.cdw10[1] = cpu_to_le32(len); + + return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len, + ADMIN_TIMEOUT, NVME_QID_ANY, 1, 0); +} +EXPORT_SYMBOL_GPL(nvme_sec_submit); +#endif /* CONFIG_BLK_SED_OPAL */ + static const struct block_device_operations nvme_fops = { .owner = THIS_MODULE, .ioctl = nvme_ioctl, |