diff options
Diffstat (limited to 'include/uapi/linux/lightnvm.h')
| -rw-r--r-- | include/uapi/linux/lightnvm.h | 31 |
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 |