| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Dan J Williams | 710 | 66.42% | 31 | 67.39% |
| Ross Zwisler | 161 | 15.06% | 1 | 2.17% |
| Dave Jiang | 82 | 7.67% | 4 | 8.70% |
| Robin Murphy | 63 | 5.89% | 1 | 2.17% |
| Vishal Verma | 27 | 2.53% | 4 | 8.70% |
| Oliver O'Halloran | 13 | 1.22% | 1 | 2.17% |
| Toshi Kani | 8 | 0.75% | 2 | 4.35% |
| Jerry Hoemann | 5 | 0.47% | 2 | 4.35% |
| Total | 1069 | 46 |
/* * libnvdimm - Non-volatile-memory Devices Subsystem * * Copyright(c) 2013-2015 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #ifndef __LIBNVDIMM_H__ #define __LIBNVDIMM_H__ #include <linux/kernel.h> #include <linux/sizes.h> #include <linux/types.h> #include <linux/uuid.h> #include <linux/spinlock.h> struct badrange_entry { u64 start; u64 length; struct list_head list; }; struct badrange { struct list_head list; spinlock_t lock; }; enum { /* when a dimm supports both PMEM and BLK access a label is required */ NDD_ALIASING = 0, /* unarmed memory devices may not persist writes */ NDD_UNARMED = 1, /* locked memory devices should not be accessed */ NDD_LOCKED = 2, /* need to set a limit somewhere, but yes, this is likely overkill */ ND_IOCTL_MAX_BUFLEN = SZ_4M, ND_CMD_MAX_ELEM = 5, ND_CMD_MAX_ENVELOPE = 256, ND_MAX_MAPPINGS = 32, /* region flag indicating to direct-map persistent memory by default */ ND_REGION_PAGEMAP = 0, /* * Platform ensures entire CPU store data path is flushed to pmem on * system power loss. */ ND_REGION_PERSIST_CACHE = 1, /* * Platform provides mechanisms to automatically flush outstanding * write data from memory controler to pmem on system power loss. * (ADR) */ ND_REGION_PERSIST_MEMCTRL = 2, /* mark newly adjusted resources as requiring a label update */ DPA_RESOURCE_ADJUSTED = 1 << 0, }; extern struct attribute_group nvdimm_bus_attribute_group; extern struct attribute_group nvdimm_attribute_group; extern struct attribute_group nd_device_attribute_group; extern struct attribute_group nd_numa_attribute_group; extern struct attribute_group nd_region_attribute_group; extern struct attribute_group nd_mapping_attribute_group; struct nvdimm; struct nvdimm_bus_descriptor; typedef int (*ndctl_fn)(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc); struct device_node; struct nvdimm_bus_descriptor { const struct attribute_group **attr_groups; unsigned long bus_dsm_mask; unsigned long cmd_mask; struct module *module; char *provider_name; struct device_node *of_node; ndctl_fn ndctl; int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc); int (*clear_to_send)(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd); }; struct nd_cmd_desc { int in_num; int out_num; u32 in_sizes[ND_CMD_MAX_ELEM]; int out_sizes[ND_CMD_MAX_ELEM]; }; struct nd_interleave_set { /* v1.1 definition of the interleave-set-cookie algorithm */ u64 cookie1; /* v1.2 definition of the interleave-set-cookie algorithm */ u64 cookie2; /* compatibility with initial buggy Linux implementation */ u64 altcookie; guid_t type_guid; }; struct nd_mapping_desc { struct nvdimm *nvdimm; u64 start; u64 size; int position; }; struct nd_region_desc { struct resource *res; struct nd_mapping_desc *mapping; u16 num_mappings; const struct attribute_group **attr_groups; struct nd_interleave_set *nd_set; void *provider_data; int num_lanes; int numa_node; unsigned long flags; struct device_node *of_node; }; struct device; void *devm_nvdimm_memremap(struct device *dev, resource_size_t offset, size_t size, unsigned long flags); static inline void __iomem *devm_nvdimm_ioremap(struct device *dev, resource_size_t offset, size_t size) { return (void __iomem *) devm_nvdimm_memremap(dev, offset, size, 0); } struct nvdimm_bus; struct module; struct device; struct nd_blk_region; struct nd_blk_region_desc { int (*enable)(struct nvdimm_bus *nvdimm_bus, struct device *dev); int (*do_io)(struct nd_blk_region *ndbr, resource_size_t dpa, void *iobuf, u64 len, int rw); struct nd_region_desc ndr_desc; }; static inline struct nd_blk_region_desc *to_blk_region_desc( struct nd_region_desc *ndr_desc) { return container_of(ndr_desc, struct nd_blk_region_desc, ndr_desc); } void badrange_init(struct badrange *badrange); int badrange_add(struct badrange *badrange, u64 addr, u64 length); void badrange_forget(struct badrange *badrange, phys_addr_t start, unsigned int len); int nvdimm_bus_add_badrange(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length); struct nvdimm_bus *nvdimm_bus_register(struct device *parent, struct nvdimm_bus_descriptor *nfit_desc); void nvdimm_bus_unregister(struct nvdimm_bus *nvdimm_bus); struct nvdimm_bus *to_nvdimm_bus(struct device *dev); struct nvdimm *to_nvdimm(struct device *dev); struct nd_region *to_nd_region(struct device *dev); struct device *nd_region_dev(struct nd_region *nd_region); struct nd_blk_region *to_nd_blk_region(struct device *dev); struct nvdimm_bus_descriptor *to_nd_desc(struct nvdimm_bus *nvdimm_bus); struct device *to_nvdimm_bus_dev(struct nvdimm_bus *nvdimm_bus); const char *nvdimm_name(struct nvdimm *nvdimm); struct kobject *nvdimm_kobj(struct nvdimm *nvdimm); unsigned long nvdimm_cmd_mask(struct nvdimm *nvdimm); void *nvdimm_provider_data(struct nvdimm *nvdimm); struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, void *provider_data, const struct attribute_group **groups, unsigned long flags, unsigned long cmd_mask, int num_flush, struct resource *flush_wpq); const struct nd_cmd_desc *nd_cmd_dimm_desc(int cmd); const struct nd_cmd_desc *nd_cmd_bus_desc(int cmd); u32 nd_cmd_in_size(struct nvdimm *nvdimm, int cmd, const struct nd_cmd_desc *desc, int idx, void *buf); u32 nd_cmd_out_size(struct nvdimm *nvdimm, int cmd, const struct nd_cmd_desc *desc, int idx, const u32 *in_field, const u32 *out_field, unsigned long remainder); int nvdimm_bus_check_dimm_count(struct nvdimm_bus *nvdimm_bus, int dimm_count); struct nd_region *nvdimm_pmem_region_create(struct nvdimm_bus *nvdimm_bus, struct nd_region_desc *ndr_desc); struct nd_region *nvdimm_blk_region_create(struct nvdimm_bus *nvdimm_bus, struct nd_region_desc *ndr_desc); struct nd_region *nvdimm_volatile_region_create(struct nvdimm_bus *nvdimm_bus, struct nd_region_desc *ndr_desc); void *nd_region_provider_data(struct nd_region *nd_region); void *nd_blk_region_provider_data(struct nd_blk_region *ndbr); void nd_blk_region_set_provider_data(struct nd_blk_region *ndbr, void *data); struct nvdimm *nd_blk_region_to_dimm(struct nd_blk_region *ndbr); unsigned long nd_blk_memremap_flags(struct nd_blk_region *ndbr); unsigned int nd_region_acquire_lane(struct nd_region *nd_region); void nd_region_release_lane(struct nd_region *nd_region, unsigned int lane); u64 nd_fletcher64(void *addr, size_t len, bool le); void nvdimm_flush(struct nd_region *nd_region); int nvdimm_has_flush(struct nd_region *nd_region); int nvdimm_has_cache(struct nd_region *nd_region); #ifdef CONFIG_ARCH_HAS_PMEM_API #define ARCH_MEMREMAP_PMEM MEMREMAP_WB void arch_wb_cache_pmem(void *addr, size_t size); void arch_invalidate_pmem(void *addr, size_t size); #else #define ARCH_MEMREMAP_PMEM MEMREMAP_WT static inline void arch_wb_cache_pmem(void *addr, size_t size) { } static inline void arch_invalidate_pmem(void *addr, size_t size) { } #endif #endif /* __LIBNVDIMM_H__ */
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