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path: root/drivers/nvme/host/nvme.h
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Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 39a90b7cb125..e7411dac00f7 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -156,6 +156,11 @@ enum nvme_quirks {
* No temperature thresholds for channels other than 0 (Composite).
*/
NVME_QUIRK_NO_SECONDARY_TEMP_THRESH = (1 << 19),
+
+ /*
+ * Disables simple suspend/resume path.
+ */
+ NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND = (1 << 20),
};
/*
@@ -251,6 +256,7 @@ enum nvme_ctrl_flags {
NVME_CTRL_STOPPED = 3,
NVME_CTRL_SKIP_ID_CNS_CS = 4,
NVME_CTRL_DIRTY_CAPABILITY = 5,
+ NVME_CTRL_FROZEN = 6,
};
struct nvme_ctrl {
@@ -387,6 +393,11 @@ struct nvme_ctrl {
enum nvme_dctype dctype;
};
+static inline enum nvme_ctrl_state nvme_ctrl_state(struct nvme_ctrl *ctrl)
+{
+ return READ_ONCE(ctrl->state);
+}
+
enum nvme_iopolicy {
NVME_IOPOLICY_NUMA,
NVME_IOPOLICY_RR,