diff options
Diffstat (limited to 'drivers/dax/dax-private.h')
| -rw-r--r-- | drivers/dax/dax-private.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h index 8a4c40ccd2ef..6779f683671d 100644 --- a/drivers/dax/dax-private.h +++ b/drivers/dax/dax-private.h @@ -41,6 +41,7 @@ struct dax_region { * @target_node: effective numa node if dev_dax memory range is onlined * @dev - device core * @pgmap - pgmap for memmap setup / lifetime (driver owned) + * @range: resource range for the instance * @dax_mem_res: physical address range of hotadded DAX memory * @dax_mem_name: name for hotadded DAX memory via add_memory_driver_managed() */ @@ -49,10 +50,16 @@ struct dev_dax { struct dax_device *dax_dev; int target_node; struct device dev; - struct dev_pagemap pgmap; + struct dev_pagemap *pgmap; + struct range range; struct resource *dax_kmem_res; }; +static inline u64 range_len(struct range *range) +{ + return range->end - range->start + 1; +} + static inline struct dev_dax *to_dev_dax(struct device *dev) { return container_of(dev, struct dev_dax, dev); |