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Diffstat (limited to 'include/uapi/linux/lightnvm.h')
-rw-r--r--include/uapi/linux/lightnvm.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/uapi/linux/lightnvm.h b/include/uapi/linux/lightnvm.h
index 928f98997..774a43128 100644
--- a/include/uapi/linux/lightnvm.h
+++ b/include/uapi/linux/lightnvm.h
@@ -33,6 +33,7 @@
#define NVM_TTYPE_NAME_MAX 48
#define NVM_TTYPE_MAX 63
+#define NVM_MMTYPE_LEN 8
#define NVM_CTRL_FILE "/dev/lightnvm/control"
@@ -100,6 +101,26 @@ struct nvm_ioctl_remove {
__u32 flags;
};
+struct nvm_ioctl_dev_init {
+ char dev[DISK_NAME_LEN]; /* open-channel SSD device */
+ char mmtype[NVM_MMTYPE_LEN]; /* register to media manager */
+
+ __u32 flags;
+};
+
+enum {
+ NVM_FACTORY_ERASE_ONLY_USER = 1 << 0, /* erase only blocks used as
+ * host blks or grown blks */
+ NVM_FACTORY_RESET_HOST_BLKS = 1 << 1, /* remove host blk marks */
+ NVM_FACTORY_RESET_GRWN_BBLKS = 1 << 2, /* remove grown blk marks */
+ NVM_FACTORY_NR_BITS = 1 << 3, /* stops here */
+};
+
+struct nvm_ioctl_dev_factory {
+ char dev[DISK_NAME_LEN];
+
+ __u32 flags;
+};
/* The ioctl type, 'L', 0x20 - 0x2F documented in ioctl-number.txt */
enum {
@@ -110,6 +131,12 @@ enum {
/* device level cmds */
NVM_DEV_CREATE_CMD,
NVM_DEV_REMOVE_CMD,
+
+ /* Init a device to support LightNVM media managers */
+ NVM_DEV_INIT_CMD,
+
+ /* Factory reset device */
+ NVM_DEV_FACTORY_CMD,
};
#define NVM_IOCTL 'L' /* 0x4c */
@@ -122,6 +149,10 @@ enum {
struct nvm_ioctl_create)
#define NVM_DEV_REMOVE _IOW(NVM_IOCTL, NVM_DEV_REMOVE_CMD, \
struct nvm_ioctl_remove)
+#define NVM_DEV_INIT _IOW(NVM_IOCTL, NVM_DEV_INIT_CMD, \
+ struct nvm_ioctl_dev_init)
+#define NVM_DEV_FACTORY _IOW(NVM_IOCTL, NVM_DEV_FACTORY_CMD, \
+ struct nvm_ioctl_dev_factory)
#define NVM_VERSION_MAJOR 1
#define NVM_VERSION_MINOR 0