summaryrefslogtreecommitdiff
path: root/drivers/nvme/host/nvme.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 23db2d99b53a..8c646ab26677 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -252,6 +252,11 @@ struct nvme_ctrl {
unsigned long discard_page_busy;
};
+enum nvme_iopolicy {
+ NVME_IOPOLICY_NUMA,
+ NVME_IOPOLICY_RR,
+};
+
struct nvme_subsystem {
int instance;
struct device dev;
@@ -271,6 +276,9 @@ struct nvme_subsystem {
u8 cmic;
u16 vendor_id;
struct ida ns_ida;
+#ifdef CONFIG_NVME_MULTIPATH
+ enum nvme_iopolicy iopolicy;
+#endif
};
/*
@@ -491,6 +499,7 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
extern struct device_attribute dev_attr_ana_grpid;
extern struct device_attribute dev_attr_ana_state;
+extern struct device_attribute subsys_attr_iopolicy;
#else
static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl)