diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 4cb023d26593..04b8613ce623 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -662,22 +662,44 @@ static inline bool ublk_support_zero_copy(const struct ublk_queue *ubq) return ubq->flags & UBLK_F_SUPPORT_ZERO_COPY; } +static inline bool ublk_dev_support_zero_copy(const struct ublk_device *ub) +{ + return ub->dev_info.flags & UBLK_F_SUPPORT_ZERO_COPY; +} + static inline bool ublk_support_auto_buf_reg(const struct ublk_queue *ubq) { return ubq->flags & UBLK_F_AUTO_BUF_REG; } +static inline bool ublk_dev_support_auto_buf_reg(const struct ublk_device *ub) +{ + return ub->dev_info.flags & UBLK_F_AUTO_BUF_REG; +} + static inline bool ublk_support_user_copy(const struct ublk_queue *ubq) { return ubq->flags & UBLK_F_USER_COPY; } +static inline bool ublk_dev_support_user_copy(const struct ublk_device *ub) +{ + return ub->dev_info.flags & UBLK_F_USER_COPY; +} + static inline bool ublk_need_map_io(const struct ublk_queue *ubq) { return !ublk_support_user_copy(ubq) && !ublk_support_zero_copy(ubq) && !ublk_support_auto_buf_reg(ubq); } +static inline bool ublk_dev_need_map_io(const struct ublk_device *ub) +{ + return !ublk_dev_support_user_copy(ub) && + !ublk_dev_support_zero_copy(ub) && + !ublk_dev_support_auto_buf_reg(ub); +} + static inline bool ublk_need_req_ref(const struct ublk_queue *ubq) { /* @@ -695,6 +717,13 @@ static inline bool ublk_need_req_ref(const struct ublk_queue *ubq) ublk_support_auto_buf_reg(ubq); } +static inline bool ublk_dev_need_req_ref(const struct ublk_device *ub) +{ + return ublk_dev_support_user_copy(ub) || + ublk_dev_support_zero_copy(ub) || + ublk_dev_support_auto_buf_reg(ub); +} + static inline void ublk_init_req_ref(const struct ublk_queue *ubq, struct ublk_io *io) { @@ -726,6 +755,11 @@ static inline bool ublk_need_get_data(const struct ublk_queue *ubq) return ubq->flags & UBLK_F_NEED_GET_DATA; } +static inline bool ublk_dev_need_get_data(const struct ublk_device *ub) +{ + return ub->dev_info.flags & UBLK_F_NEED_GET_DATA; +} + /* Called in slow path only, keep it noinline for trace purpose */ static noinline struct ublk_device *ublk_get_device(struct ublk_device *ub) { |