diff options
author | David S. Miller <davem@davemloft.net> | 2016-08-18 08:17:32 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-08-18 08:17:32 +0300 |
commit | 60747ef4d173c2747bf7f0377fb22846cb422195 (patch) | |
tree | ea0faf33b952495c47909be1400c475a3f3821b0 /include/linux | |
parent | 484334198f8ce9552e20930fff9408ebf6bcf94d (diff) | |
parent | 184ca823481c99dadd7d946e5afd4bb921eab30d (diff) | |
download | linux-60747ef4d173c2747bf7f0377fb22846cb422195.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor overlapping changes for both merge conflicts.
Resolution work done by Stephen Rothwell was used
as a reference.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
59 files changed, 743 insertions, 355 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index 3f103076d0bf..c357f27d5483 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -163,6 +163,7 @@ struct backing_dev_info { wait_queue_head_t wb_waitq; struct device *dev; + struct device *owner; struct timer_list laptop_mode_wb_timer; diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 491a91717788..43b93a947e61 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -24,6 +24,7 @@ __printf(3, 4) int bdi_register(struct backing_dev_info *bdi, struct device *parent, const char *fmt, ...); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev); +int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner); void bdi_unregister(struct backing_dev_info *bdi); int __must_check bdi_setup_and_register(struct backing_dev_info *, char *); diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 314b3caa701c..1303b570b18c 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -113,6 +113,8 @@ extern int suid_dumpable; extern int setup_arg_pages(struct linux_binprm * bprm, unsigned long stack_top, int executable_stack); +extern int transfer_args_to_stack(struct linux_binprm *bprm, + unsigned long *sp_location); extern int bprm_change_interp(char *interp, struct linux_binprm *bprm); extern int copy_strings_kernel(int argc, const char *const *argv, struct linux_binprm *bprm); diff --git a/include/linux/bio.h b/include/linux/bio.h index 583c10810e32..59ffaa68b11b 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -95,7 +95,7 @@ static inline bool bio_is_rw(struct bio *bio) static inline bool bio_mergeable(struct bio *bio) { - if (bio->bi_rw & REQ_NOMERGE_FLAGS) + if (bio->bi_opf & REQ_NOMERGE_FLAGS) return false; return true; @@ -318,7 +318,7 @@ struct bio_integrity_payload { static inline struct bio_integrity_payload *bio_integrity(struct bio *bio) { - if (bio->bi_rw & REQ_INTEGRITY) + if (bio->bi_opf & REQ_INTEGRITY) return bio->bi_integrity; return NULL; @@ -470,11 +470,14 @@ extern unsigned int bvec_nr_vecs(unsigned short idx); int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css); int bio_associate_current(struct bio *bio); void bio_disassociate_task(struct bio *bio); +void bio_clone_blkcg_association(struct bio *dst, struct bio *src); #else /* CONFIG_BLK_CGROUP */ static inline int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css) { return 0; } static inline int bio_associate_current(struct bio *bio) { return -ENOENT; } static inline void bio_disassociate_task(struct bio *bio) { } +static inline void bio_clone_blkcg_association(struct bio *dst, + struct bio *src) { } #endif /* CONFIG_BLK_CGROUP */ #ifdef CONFIG_HIGHMEM diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 27bfc0b631a9..598bc999f4c2 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -266,13 +266,12 @@ static inline int bitmap_equal(const unsigned long *src1, const unsigned long *src2, unsigned int nbits) { if (small_const_nbits(nbits)) - return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits)); + return !((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits)); #ifdef CONFIG_S390 - else if (__builtin_constant_p(nbits) && (nbits % BITS_PER_LONG) == 0) + if (__builtin_constant_p(nbits) && (nbits % BITS_PER_LONG) == 0) return !memcmp(src1, src2, nbits / 8); #endif - else - return __bitmap_equal(src1, src2, nbits); + return __bitmap_equal(src1, src2, nbits); } static inline int bitmap_intersects(const unsigned long *src1, diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index f77150a4a96a..10648e300c93 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -714,9 +714,9 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q, if (!throtl) { blkg = blkg ?: q->root_blkg; - blkg_rwstat_add(&blkg->stat_bytes, bio_op(bio), bio->bi_rw, + blkg_rwstat_add(&blkg->stat_bytes, bio_op(bio), bio->bi_opf, bio->bi_iter.bi_size); - blkg_rwstat_add(&blkg->stat_ios, bio_op(bio), bio->bi_rw, 1); + blkg_rwstat_add(&blkg->stat_ios, bio_op(bio), bio->bi_opf, 1); } rcu_read_unlock(); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index f254eb264924..436f43f87da9 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -27,8 +27,9 @@ struct bio { struct bio *bi_next; /* request queue link */ struct block_device *bi_bdev; int bi_error; - unsigned int bi_rw; /* bottom bits req flags, - * top bits REQ_OP + unsigned int bi_opf; /* bottom bits req flags, + * top bits REQ_OP. Use + * accessors. */ unsigned short bi_flags; /* status, command, etc */ unsigned short bi_ioprio; @@ -89,13 +90,13 @@ struct bio { }; #define BIO_OP_SHIFT (8 * sizeof(unsigned int) - REQ_OP_BITS) -#define bio_op(bio) ((bio)->bi_rw >> BIO_OP_SHIFT) +#define bio_op(bio) ((bio)->bi_opf >> BIO_OP_SHIFT) #define bio_set_op_attrs(bio, op, op_flags) do { \ WARN_ON(op >= (1 << REQ_OP_BITS)); \ - (bio)->bi_rw &= ((1 << BIO_OP_SHIFT) - 1); \ - (bio)->bi_rw |= ((unsigned int) (op) << BIO_OP_SHIFT); \ - (bio)->bi_rw |= op_flags; \ + (bio)->bi_opf &= ((1 << BIO_OP_SHIFT) - 1); \ + (bio)->bi_opf |= ((unsigned int) (op) << BIO_OP_SHIFT); \ + (bio)->bi_opf |= op_flags; \ } while (0) #define BIO_RESET_BYTES offsetof(struct bio, bi_max_vecs) @@ -138,7 +139,7 @@ struct bio { /* * Request flags. For use in the cmd_flags field of struct request, and in - * bi_rw of struct bio. Note that some flags are only valid in either one. + * bi_opf of struct bio. Note that some flags are only valid in either one. */ enum rq_flag_bits { /* common flags */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index adf33079771e..2c210b6a7bcf 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -47,7 +47,6 @@ struct pr_ops; */ #define BLKCG_MAX_POLS 2 -struct request; typedef void (rq_end_io_fn)(struct request *, int); #define BLK_RL_SYNCFULL (1U << 0) @@ -1673,7 +1672,7 @@ struct blk_dax_ctl { struct block_device_operations { int (*open) (struct block_device *, fmode_t); void (*release) (struct gendisk *, fmode_t); - int (*rw_page)(struct block_device *, sector_t, struct page *, int rw); + int (*rw_page)(struct block_device *, sector_t, struct page *, bool); int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); long (*direct_access)(struct block_device *, sector_t, void **, pfn_t *, diff --git a/include/linux/bvec.h b/include/linux/bvec.h index 701b64a3b7c5..89b65b82d98f 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -74,7 +74,8 @@ static inline void bvec_iter_advance(const struct bio_vec *bv, "Attempted to advance past end of bvec iter\n"); while (bytes) { - unsigned len = min(bytes, bvec_iter_len(bv, *iter)); + unsigned iter_len = bvec_iter_len(bv, *iter); + unsigned len = min(bytes, iter_len); bytes -= len; iter->bi_size -= len; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 98044a8d1487..5ff3e9a4fe5f 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -130,7 +130,7 @@ struct dentry_operations { int (*d_revalidate)(struct dentry *, unsigned int); int (*d_weak_revalidate)(struct dentry *, unsigned int); int (*d_hash)(const struct dentry *, struct qstr *); - int (*d_compare)(const struct dentry *, const struct dentry *, + int (*d_compare)(const struct dentry *, unsigned int, const char *, const struct qstr *); int (*d_delete)(const struct dentry *); int (*d_init)(struct dentry *); @@ -263,7 +263,7 @@ extern void d_rehash(struct dentry *); extern void d_add(struct dentry *, struct inode *); -extern void dentry_update_name_case(struct dentry *, struct qstr *); +extern void dentry_update_name_case(struct dentry *, const struct qstr *); /* used for rename() and baskets */ extern void d_move(struct dentry *, struct dentry *); diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h deleted file mode 100644 index 5246239a4953..000000000000 --- a/include/linux/dma-attrs.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef _DMA_ATTR_H -#define _DMA_ATTR_H - -#include <linux/bitmap.h> -#include <linux/bitops.h> -#include <linux/bug.h> - -/** - * an enum dma_attr represents an attribute associated with a DMA - * mapping. The semantics of each attribute should be defined in - * Documentation/DMA-attributes.txt. - */ -enum dma_attr { - DMA_ATTR_WRITE_BARRIER, - DMA_ATTR_WEAK_ORDERING, - DMA_ATTR_WRITE_COMBINE, - DMA_ATTR_NON_CONSISTENT, - DMA_ATTR_NO_KERNEL_MAPPING, - DMA_ATTR_SKIP_CPU_SYNC, - DMA_ATTR_FORCE_CONTIGUOUS, - DMA_ATTR_ALLOC_SINGLE_PAGES, - DMA_ATTR_MAX, -}; - -#define __DMA_ATTRS_LONGS BITS_TO_LONGS(DMA_ATTR_MAX) - -/** - * struct dma_attrs - an opaque container for DMA attributes - * @flags - bitmask representing a collection of enum dma_attr - */ -struct dma_attrs { - unsigned long flags[__DMA_ATTRS_LONGS]; -}; - -#define DEFINE_DMA_ATTRS(x) \ - struct dma_attrs x = { \ - .flags = { [0 ... __DMA_ATTRS_LONGS-1] = 0 }, \ - } - -static inline void init_dma_attrs(struct dma_attrs *attrs) -{ - bitmap_zero(attrs->flags, __DMA_ATTRS_LONGS); -} - -/** - * dma_set_attr - set a specific attribute - * @attr: attribute to set - * @attrs: struct dma_attrs (may be NULL) - */ -static inline void dma_set_attr(enum dma_attr attr, struct dma_attrs *attrs) -{ - if (attrs == NULL) - return; - BUG_ON(attr >= DMA_ATTR_MAX); - __set_bit(attr, attrs->flags); -} - -/** - * dma_get_attr - check for a specific attribute - * @attr: attribute to set - * @attrs: struct dma_attrs (may be NULL) - */ -static inline int dma_get_attr(enum dma_attr attr, struct dma_attrs *attrs) -{ - if (attrs == NULL) - return 0; - BUG_ON(attr >= DMA_ATTR_MAX); - return test_bit(attr, attrs->flags); -} - -#endif /* _DMA_ATTR_H */ diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h index 8443bbb5c071..81c5c8d167ad 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -39,7 +39,7 @@ int dma_direction_to_prot(enum dma_data_direction dir, bool coherent); * the arch code to take care of attributes and cache maintenance */ struct page **iommu_dma_alloc(struct device *dev, size_t size, gfp_t gfp, - struct dma_attrs *attrs, int prot, dma_addr_t *handle, + unsigned long attrs, int prot, dma_addr_t *handle, void (*flush_page)(struct device *, const void *, phys_addr_t)); void iommu_dma_free(struct device *dev, struct page **pages, size_t size, dma_addr_t *handle); @@ -56,9 +56,9 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, * directly as DMA mapping callbacks for simplicity */ void iommu_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir, struct dma_attrs *attrs); + enum dma_data_direction dir, unsigned long attrs); void iommu_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs); + enum dma_data_direction dir, unsigned long attrs); int iommu_dma_supported(struct device *dev, u64 mask); int iommu_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 71c1b215ef66..66533e18276c 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -5,13 +5,58 @@ #include <linux/string.h> #include <linux/device.h> #include <linux/err.h> -#include <linux/dma-attrs.h> #include <linux/dma-debug.h> #include <linux/dma-direction.h> #include <linux/scatterlist.h> #include <linux/kmemcheck.h> #include <linux/bug.h> +/** + * List of possible attributes associated with a DMA mapping. The semantics + * of each attribute should be defined in Documentation/DMA-attributes.txt. + * + * DMA_ATTR_WRITE_BARRIER: DMA to a memory region with this attribute + * forces all pending DMA writes to complete. + */ +#define DMA_ATTR_WRITE_BARRIER (1UL << 0) +/* + * DMA_ATTR_WEAK_ORDERING: Specifies that reads and writes to the mapping + * may be weakly ordered, that is that reads and writes may pass each other. + */ +#define DMA_ATTR_WEAK_ORDERING (1UL << 1) +/* + * DMA_ATTR_WRITE_COMBINE: Specifies that writes to the mapping may be + * buffered to improve performance. + */ +#define DMA_ATTR_WRITE_COMBINE (1UL << 2) +/* + * DMA_ATTR_NON_CONSISTENT: Lets the platform to choose to return either + * consistent or non-consistent memory as it sees fit. + */ +#define DMA_ATTR_NON_CONSISTENT (1UL << 3) +/* + * DMA_ATTR_NO_KERNEL_MAPPING: Lets the platform to avoid creating a kernel + * virtual mapping for the allocated buffer. + */ +#define DMA_ATTR_NO_KERNEL_MAPPING (1UL << 4) +/* + * DMA_ATTR_SKIP_CPU_SYNC: Allows platform code to skip synchronization of + * the CPU cache for the given buffer assuming that it has been already + * transferred to 'device' domain. + */ +#define DMA_ATTR_SKIP_CPU_SYNC (1UL << 5) +/* + * DMA_ATTR_FORCE_CONTIGUOUS: Forces contiguous allocation of the buffer + * in physical memory. + */ +#define DMA_ATTR_FORCE_CONTIGUOUS (1UL << 6) +/* + * DMA_ATTR_ALLOC_SINGLE_PAGES: This is a hint to the DMA-mapping subsystem + * that it's probably not worth the time to try to allocate memory to in a way + * that gives better TLB efficiency. + */ +#define DMA_ATTR_ALLOC_SINGLE_PAGES (1UL << 7) + /* * A dma_addr_t can hold any valid DMA or bus address for the platform. * It can be given to a device to use as a DMA source or target. A CPU cannot @@ -21,34 +66,35 @@ struct dma_map_ops { void* (*alloc)(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, - struct dma_attrs *attrs); + unsigned long attrs); void (*free)(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, - struct dma_attrs *attrs); + unsigned long attrs); int (*mmap)(struct device *, struct vm_area_struct *, - void *, dma_addr_t, size_t, struct dma_attrs *attrs); + void *, dma_addr_t, size_t, + unsigned long attrs); int (*get_sgtable)(struct device *dev, struct sg_table *sgt, void *, - dma_addr_t, size_t, struct dma_attrs *attrs); + dma_addr_t, size_t, unsigned long attrs); dma_addr_t (*map_page)(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); void (*unmap_page)(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); /* * map_sg returns 0 on error and a value > 0 on success. * It should never return a value < 0. */ int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); void (*unmap_sg)(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); void (*sync_single_for_cpu)(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir); @@ -123,7 +169,7 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); dma_addr_t addr; @@ -142,7 +188,7 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr, static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -158,7 +204,7 @@ static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr, */ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); int i, ents; @@ -176,7 +222,7 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, static inline void dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -195,7 +241,7 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, kmemcheck_mark_initialized(page_address(page) + offset, size); BUG_ON(!valid_dma_direction(dir)); - addr = ops->map_page(dev, page, offset, size, dir, NULL); + addr = ops->map_page(dev, page, offset, size, dir, 0); debug_dma_map_page(dev, page, offset, size, dir, addr, false); return addr; @@ -208,7 +254,7 @@ static inline void dma_unmap_page(struct device *dev, dma_addr_t addr, BUG_ON(!valid_dma_direction(dir)); if (ops->unmap_page) - ops->unmap_page(dev, addr, size, dir, NULL); + ops->unmap_page(dev, addr, size, dir, 0); debug_dma_unmap_page(dev, addr, size, dir, false); } @@ -289,10 +335,10 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, } -#define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, NULL) -#define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, NULL) -#define dma_map_sg(d, s, n, r) dma_map_sg_attrs(d, s, n, r, NULL) -#define dma_unmap_sg(d, s, n, r) dma_unmap_sg_attrs(d, s, n, r, NULL) +#define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, 0) +#define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, 0) +#define dma_map_sg(d, s, n, r) dma_map_sg_attrs(d, s, n, r, 0) +#define dma_unmap_sg(d, s, n, r) dma_unmap_sg_attrs(d, s, n, r, 0) extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size); @@ -321,7 +367,7 @@ void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags); */ static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, - dma_addr_t dma_addr, size_t size, struct dma_attrs *attrs) + dma_addr_t dma_addr, size_t size, unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); BUG_ON(!ops); @@ -330,7 +376,7 @@ dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, return dma_common_mmap(dev, vma, cpu_addr, dma_addr, size); } -#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL) +#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, 0) int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, @@ -338,7 +384,8 @@ dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, static inline int dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr, - dma_addr_t dma_addr, size_t size, struct dma_attrs *attrs) + dma_addr_t dma_addr, size_t size, + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); BUG_ON(!ops); @@ -348,7 +395,7 @@ dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr, return dma_common_get_sgtable(dev, sgt, cpu_addr, dma_addr, size); } -#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, NULL) +#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0) #ifndef arch_dma_alloc_attrs #define arch_dma_alloc_attrs(dev, flag) (true) @@ -356,7 +403,7 @@ dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr, static inline void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *cpu_addr; @@ -378,7 +425,7 @@ static inline void *dma_alloc_attrs(struct device *dev, size_t size, static inline void dma_free_attrs(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -398,31 +445,27 @@ static inline void dma_free_attrs(struct device *dev, size_t size, static inline void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { - return dma_alloc_attrs(dev, size, dma_handle, flag, NULL); + return dma_alloc_attrs(dev, size, dma_handle, flag, 0); } static inline void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) { - return dma_free_attrs(dev, size, cpu_addr, dma_handle, NULL); + return dma_free_attrs(dev, size, cpu_addr, dma_handle, 0); } static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) { - DEFINE_DMA_ATTRS(attrs); - - dma_set_attr(DMA_ATTR_NON_CONSISTENT, &attrs); - return dma_alloc_attrs(dev, size, dma_handle, gfp, &attrs); + return dma_alloc_attrs(dev, size, dma_handle, gfp, + DMA_ATTR_NON_CONSISTENT); } static inline void dma_free_noncoherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) { - DEFINE_DMA_ATTRS(attrs); - - dma_set_attr(DMA_ATTR_NON_CONSISTENT, &attrs); - dma_free_attrs(dev, size, cpu_addr, dma_handle, &attrs); + dma_free_attrs(dev, size, cpu_addr, dma_handle, + DMA_ATTR_NON_CONSISTENT); } static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) @@ -646,9 +689,8 @@ static inline void dmam_release_declared_memory(struct device *dev) static inline void *dma_alloc_wc(struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t gfp) { - DEFINE_DMA_ATTRS(attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs); - return dma_alloc_attrs(dev, size, dma_addr, gfp, &attrs); + return dma_alloc_attrs(dev, size, dma_addr, gfp, + DMA_ATTR_WRITE_COMBINE); } #ifndef dma_alloc_writecombine #define dma_alloc_writecombine dma_alloc_wc @@ -657,9 +699,8 @@ static inline void *dma_alloc_wc(struct device *dev, size_t size, static inline void dma_free_wc(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr) { - DEFINE_DMA_ATTRS(attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs); - return dma_free_attrs(dev, size, cpu_addr, dma_addr, &attrs); + return dma_free_attrs(dev, size, cpu_addr, dma_addr, + DMA_ATTR_WRITE_COMBINE); } #ifndef dma_free_writecombine #define dma_free_writecombine dma_free_wc @@ -670,9 +711,8 @@ static inline int dma_mmap_wc(struct device *dev, void *cpu_addr, dma_addr_t dma_addr, size_t size) { - DEFINE_DMA_ATTRS(attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs); - return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs); + return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, + DMA_ATTR_WRITE_COMBINE); } #ifndef dma_mmap_writecombine #define dma_mmap_writecombine dma_mmap_wc diff --git a/include/linux/ds17287rtc.h b/include/linux/ds17287rtc.h deleted file mode 100644 index d85d3f497b96..000000000000 --- a/include/linux/ds17287rtc.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * ds17287rtc.h - register definitions for the ds1728[57] RTC / CMOS RAM - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * (C) 2003 Guido Guenther <agx@sigxcpu.org> - */ -#ifndef __LINUX_DS17287RTC_H -#define __LINUX_DS17287RTC_H - -#include <linux/rtc.h> /* get the user-level API */ -#include <linux/mc146818rtc.h> - -/* Register A */ -#define DS_REGA_DV2 0x40 /* countdown chain */ -#define DS_REGA_DV1 0x20 /* oscillator enable */ -#define DS_REGA_DV0 0x10 /* bank select */ - -/* bank 1 registers */ -#define DS_B1_MODEL 0x40 /* model number byte */ -#define DS_B1_SN1 0x41 /* serial number byte 1 */ -#define DS_B1_SN2 0x42 /* serial number byte 2 */ -#define DS_B1_SN3 0x43 /* serial number byte 3 */ -#define DS_B1_SN4 0x44 /* serial number byte 4 */ -#define DS_B1_SN5 0x45 /* serial number byte 5 */ -#define DS_B1_SN6 0x46 /* serial number byte 6 */ -#define DS_B1_CRC 0x47 /* CRC byte */ -#define DS_B1_CENTURY 0x48 /* Century byte */ -#define DS_B1_DALARM 0x49 /* date alarm */ -#define DS_B1_XCTRL4A 0x4a /* extendec control register 4a */ -#define DS_B1_XCTRL4B 0x4b /* extendec control register 4b */ -#define DS_B1_RTCADDR2 0x4e /* rtc address 2 */ -#define DS_B1_RTCADDR3 0x4f /* rtc address 3 */ -#define DS_B1_RAMLSB 0x50 /* extended ram LSB */ -#define DS_B1_RAMMSB 0x51 /* extended ram MSB */ -#define DS_B1_RAMDPORT 0x53 /* extended ram data port */ - -/* register details */ -/* extended control register 4a */ -#define DS_XCTRL4A_VRT2 0x80 /* valid ram and time */ -#define DS_XCTRL4A_INCR 0x40 /* increment progress status */ -#define DS_XCTRL4A_BME 0x20 /* burst mode enable */ -#define DS_XCTRL4A_PAB 0x08 /* power active bar ctrl */ -#define DS_XCTRL4A_RF 0x04 /* ram clear flag */ -#define DS_XCTRL4A_WF 0x02 /* wake up alarm flag */ -#define DS_XCTRL4A_KF 0x01 /* kickstart flag */ - -/* interrupt causes */ -#define DS_XCTRL4A_IFS (DS_XCTRL4A_RF|DS_XCTRL4A_WF|DS_XCTRL4A_KF) - -/* extended control register 4b */ -#define DS_XCTRL4B_ABE 0x80 /* auxiliary battery enable */ -#define DS_XCTRL4B_E32K 0x40 /* enable 32.768 kHz Output */ -#define DS_XCTRL4B_CS 0x20 /* crystal select */ -#define DS_XCTRL4B_RCE 0x10 /* ram clear enable */ -#define DS_XCTRL4B_PRS 0x08 /* PAB resec select */ -#define DS_XCTRL4B_RIE 0x04 /* ram clear interrupt enable */ -#define DS_XCTRL4B_WFE 0x02 /* wake up alarm interrupt enable */ -#define DS_XCTRL4B_KFE 0x01 /* kickstart interrupt enable */ - -/* interrupt enable bits */ -#define DS_XCTRL4B_IFES (DS_XCTRL4B_RIE|DS_XCTRL4B_WFE|DS_XCTRL4B_KFE) - -#endif /* __LINUX_DS17287RTC_H */ diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 4f1bbc68cd1b..546d68057e3b 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -1,6 +1,10 @@ #ifndef _DYNAMIC_DEBUG_H #define _DYNAMIC_DEBUG_H +#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) +#include <linux/jump_label.h> +#endif + /* * An instance of this structure is created in a special * ELF section at every dynamic debug callsite. At runtime, @@ -33,6 +37,12 @@ struct _ddebug { #define _DPRINTK_FLAGS_DEFAULT 0 #endif unsigned int flags:8; +#ifdef HAVE_JUMP_LABEL + union { + struct static_key_true dd_key_true; + struct static_key_false dd_key_false; + } key; +#endif } __attribute__((aligned(8))); @@ -60,7 +70,7 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor, const struct net_device *dev, const char *fmt, ...); -#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \ +#define DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, key, init) \ static struct _ddebug __aligned(8) \ __attribute__((section("__verbose"))) name = { \ .modname = KBUILD_MODNAME, \ @@ -68,13 +78,51 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor, .filename = __FILE__, \ .format = (fmt), \ .lineno = __LINE__, \ - .flags = _DPRINTK_FLAGS_DEFAULT, \ + .flags = _DPRINTK_FLAGS_DEFAULT, \ + dd_key_init(key, init) \ } +#ifdef HAVE_JUMP_LABEL + +#define dd_key_init(key, init) key = (init) + +#ifdef DEBUG +#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \ + DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, .key.dd_key_true, \ + (STATIC_KEY_TRUE_INIT)) + +#define DYNAMIC_DEBUG_BRANCH(descriptor) \ + static_branch_likely(&descriptor.key.dd_key_true) +#else +#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \ + DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, .key.dd_key_false, \ + (STATIC_KEY_FALSE_INIT)) + +#define DYNAMIC_DEBUG_BRANCH(descriptor) \ + static_branch_unlikely(&descriptor.key.dd_key_false) +#endif + +#else + +#define dd_key_init(key, init) + +#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \ + DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, 0, 0) + +#ifdef DEBUG +#define DYNAMIC_DEBUG_BRANCH(descriptor) \ + likely(descriptor.flags & _DPRINTK_FLAGS_PRINT) +#else +#define DYNAMIC_DEBUG_BRANCH(descriptor) \ + unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) +#endif + +#endif + #define dynamic_pr_debug(fmt, ...) \ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ - if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ ##__VA_ARGS__); \ } while (0) @@ -82,7 +130,7 @@ do { \ #define dynamic_dev_dbg(dev, fmt, ...) \ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ - if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ __dynamic_dev_dbg(&descriptor, dev, fmt, \ ##__VA_ARGS__); \ } while (0) @@ -90,7 +138,7 @@ do { \ #define dynamic_netdev_dbg(dev, fmt, ...) \ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ - if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ __dynamic_netdev_dbg(&descriptor, dev, fmt, \ ##__VA_ARGS__); \ } while (0) @@ -100,7 +148,7 @@ do { \ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, \ __builtin_constant_p(prefix_str) ? prefix_str : "hexdump");\ - if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ print_hex_dump(KERN_DEBUG, prefix_str, \ prefix_type, rowsize, groupsize, \ buf, len, ascii); \ diff --git a/include/linux/extable.h b/include/linux/extable.h new file mode 100644 index 000000000000..7effea4b257d --- /dev/null +++ b/include/linux/extable.h @@ -0,0 +1,32 @@ +#ifndef _LINUX_EXTABLE_H +#define _LINUX_EXTABLE_H + +#include <linux/stddef.h> /* for NULL */ + +struct module; +struct exception_table_entry; + +const struct exception_table_entry * +search_extable(const struct exception_table_entry *first, + const struct exception_table_entry *last, + unsigned long value); +void sort_extable(struct exception_table_entry *start, + struct exception_table_entry *finish); +void sort_main_extable(void); +void trim_init_extable(struct module *m); + +/* Given an address, look for it in the exception tables */ +const struct exception_table_entry *search_exception_tables(unsigned long add); + +#ifdef CONFIG_MODULES +/* For extable.c to search modules' exception tables. */ +const struct exception_table_entry *search_module_extables(unsigned long addr); +#else +static inline const struct exception_table_entry * +search_module_extables(unsigned long addr) +{ + return NULL; +} +#endif /*CONFIG_MODULES*/ + +#endif /* _LINUX_EXTABLE_H */ diff --git a/include/linux/fence.h b/include/linux/fence.h index 523ea3fbbddd..8cc719a63728 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -358,7 +358,7 @@ u64 fence_context_alloc(unsigned num); #define FENCE_TRACE(f, fmt, args...) \ do { \ struct fence *__ff = (f); \ - if (config_enabled(CONFIG_FENCE_TRACE)) \ + if (IS_ENABLED(CONFIG_FENCE_TRACE)) \ pr_info("f %llu#%u: " fmt, \ __ff->context, __ff->seqno, ##args); \ } while (0) diff --git a/include/linux/fs.h b/include/linux/fs.h index f3f0b4c8e8ac..3523bf62f328 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2747,11 +2747,6 @@ extern struct inode *new_inode(struct super_block *sb); extern void free_inode_nonrcu(struct inode *inode); extern int should_remove_suid(struct dentry *); extern int file_remove_privs(struct file *); -extern int dentry_needs_remove_privs(struct dentry *dentry); -static inline int file_needs_remove_privs(struct file *file) -{ - return dentry_needs_remove_privs(file->f_path.dentry); -} extern void __insert_inode_hash(struct inode *, unsigned long hashval); static inline void insert_inode_hash(struct inode *inode) diff --git a/include/linux/i8042.h b/include/linux/i8042.h index 0f9bafa17a02..d98780ca9604 100644 --- a/include/linux/i8042.h +++ b/include/linux/i8042.h @@ -62,7 +62,6 @@ struct serio; void i8042_lock_chip(void); void i8042_unlock_chip(void); int i8042_command(unsigned char *param, int command); -bool i8042_check_port_owner(const struct serio *); int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, struct serio *serio)); int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str, @@ -83,11 +82,6 @@ static inline int i8042_command(unsigned char *param, int command) return -ENODEV; } -static inline bool i8042_check_port_owner(const struct serio *serio) -{ - return false; -} - static inline int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, struct serio *serio)) { diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 68904469fba1..661af564fae8 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -76,7 +76,6 @@ #include <linux/types.h> #include <linux/compiler.h> -#include <linux/bug.h> extern bool static_key_initialized; @@ -115,20 +114,8 @@ enum jump_label_type { struct module; -#include <linux/atomic.h> - #ifdef HAVE_JUMP_LABEL -static inline int static_key_count(struct static_key *key) -{ - /* - * -1 means the first static_key_slow_inc() is in progress. - * static_key_enabled() must return true, so return 1 here. - */ - int n = atomic_read(&key->enabled); - return n >= 0 ? n : 1; -} - #define JUMP_TYPE_FALSE 0UL #define JUMP_TYPE_TRUE 1UL #define JUMP_TYPE_MASK 1UL @@ -157,16 +144,29 @@ extern int jump_label_text_reserved(void *start, void *end); extern void static_key_slow_inc(struct static_key *key); extern void static_key_slow_dec(struct static_key *key); extern void jump_label_apply_nops(struct module *mod); +extern int static_key_count(struct static_key *key); +extern void static_key_enable(struct static_key *key); +extern void static_key_disable(struct static_key *key); +/* + * We should be using ATOMIC_INIT() for initializing .enabled, but + * the inclusion of atomic.h is problematic for inclusion of jump_label.h + * in 'low-level' headers. Thus, we are initializing .enabled with a + * raw value, but have added a BUILD_BUG_ON() to catch any issues in + * jump_label_init() see: kernel/jump_label.c. + */ #define STATIC_KEY_INIT_TRUE \ - { .enabled = ATOMIC_INIT(1), \ + { .enabled = { 1 }, \ .entries = (void *)JUMP_TYPE_TRUE } #define STATIC_KEY_INIT_FALSE \ - { .enabled = ATOMIC_INIT(0), \ + { .enabled = { 0 }, \ .entries = (void *)JUMP_TYPE_FALSE } #else /* !HAVE_JUMP_LABEL */ +#include <linux/atomic.h> +#include <linux/bug.h> + static inline int static_key_count(struct static_key *key) { return atomic_read(&key->enabled); @@ -216,14 +216,6 @@ static inline int jump_label_apply_nops(struct module *mod) return 0; } -#define STATIC_KEY_INIT_TRUE { .enabled = ATOMIC_INIT(1) } -#define STATIC_KEY_INIT_FALSE { .enabled = ATOMIC_INIT(0) } - -#endif /* HAVE_JUMP_LABEL */ - -#define STATIC_KEY_INIT STATIC_KEY_INIT_FALSE -#define jump_label_enabled static_key_enabled - static inline void static_key_enable(struct static_key *key) { int count = static_key_count(key); @@ -244,6 +236,14 @@ static inline void static_key_disable(struct static_key *key) static_key_slow_dec(key); } +#define STATIC_KEY_INIT_TRUE { .enabled = ATOMIC_INIT(1) } +#define STATIC_KEY_INIT_FALSE { .enabled = ATOMIC_INIT(0) } + +#endif /* HAVE_JUMP_LABEL */ + +#define STATIC_KEY_INIT STATIC_KEY_INIT_FALSE +#define jump_label_enabled static_key_enabled + /* -------------------------------------------------------------------------- */ /* diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index aafd702f3e21..9c28b4d4c90b 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -317,7 +317,13 @@ struct kvm_kernel_irq_routing_entry { unsigned irqchip; unsigned pin; } irqchip; - struct msi_msg msi; + struct { + u32 address_lo; + u32 address_hi; + u32 data; + u32 flags; + u32 devid; + } msi; struct kvm_s390_adapter_int adapter; struct kvm_hv_sint hv_sint; }; @@ -1003,12 +1009,12 @@ static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq) #ifdef CONFIG_S390 #define KVM_MAX_IRQ_ROUTES 4096 //FIXME: we can have more than that... +#elif defined(CONFIG_ARM64) +#define KVM_MAX_IRQ_ROUTES 4096 #else #define KVM_MAX_IRQ_ROUTES 1024 #endif -int kvm_setup_default_irq_routing(struct kvm *kvm); -int kvm_setup_empty_irq_routing(struct kvm *kvm); int kvm_set_irq_routing(struct kvm *kvm, const struct kvm_irq_routing_entry *entries, unsigned nr, @@ -1107,9 +1113,21 @@ struct kvm_device { /* create, destroy, and name are mandatory */ struct kvm_device_ops { const char *name; + + /* + * create is called holding kvm->lock and any operations not suitable + * to do while holding the lock should be deferred to init (see + * below). + */ int (*create)(struct kvm_device *dev, u32 type); /* + * init is called after create if create is successful and is called + * outside of holding kvm->lock. + */ + void (*init)(struct kvm_device *dev); + + /* * Destroy is responsible for freeing dev. * * Destroy may be called before or after destructors are called diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 7ae397669d8b..101bf19c0f41 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -1356,7 +1356,7 @@ union security_list_options { struct super_block *newsb); int (*sb_parse_opts_str)(char *options, struct security_mnt_opts *opts); int (*dentry_init_security)(struct dentry *dentry, int mode, - struct qstr *name, void **ctx, + const struct qstr *name, void **ctx, u32 *ctxlen); diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h index 433e0c74d643..a585b4b5fa0e 100644 --- a/include/linux/mc146818rtc.h +++ b/include/linux/mc146818rtc.h @@ -14,6 +14,8 @@ #include <asm/io.h> #include <linux/rtc.h> /* get the user-level API */ #include <asm/mc146818rtc.h> /* register access macros */ +#include <linux/bcd.h> +#include <linux/delay.h> #ifdef __KERNEL__ #include <linux/spinlock.h> /* spinlock_t */ @@ -120,4 +122,7 @@ struct cmos_rtc_board_info { #define RTC_IO_EXTENT_USED RTC_IO_EXTENT #endif /* ARCH_RTC_LOCATION */ +unsigned int mc146818_get_time(struct rtc_time *time); +int mc146818_set_time(struct rtc_time *time); + #endif /* _MC146818RTC_H */ diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index 64184d27e3cd..d641a18abacb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -226,6 +226,21 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev, struct cros_ec_command *msg); /** + * cros_ec_cmd_xfer_status - Send a command to the ChromeOS EC + * + * This function is identical to cros_ec_cmd_xfer, except it returns success + * status only if both the command was transmitted successfully and the EC + * replied with success status. It's not necessary to check msg->result when + * using this function. + * + * @ec_dev: EC device + * @msg: Message to write + * @return: Num. of bytes transferred on success, <0 on failure + */ +int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev, + struct cros_ec_command *msg); + +/** * cros_ec_remove - Remove a ChromeOS EC * * Call this to deregister a ChromeOS EC, then clean up any private data. diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index 13b630c10d4c..7e7a8d4b4551 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -949,6 +949,37 @@ struct ec_params_pwm_set_fan_duty { uint32_t percent; } __packed; +#define EC_CMD_PWM_SET_DUTY 0x25 +/* 16 bit duty cycle, 0xffff = 100% */ +#define EC_PWM_MAX_DUTY 0xffff + +enum ec_pwm_type { + /* All types, indexed by board-specific enum pwm_channel */ + EC_PWM_TYPE_GENERIC = 0, + /* Keyboard backlight */ + EC_PWM_TYPE_KB_LIGHT, + /* Display backlight */ + EC_PWM_TYPE_DISPLAY_LIGHT, + EC_PWM_TYPE_COUNT, +}; + +struct ec_params_pwm_set_duty { + uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ + uint8_t pwm_type; /* ec_pwm_type */ + uint8_t index; /* Type-specific index, or 0 if unique */ +} __packed; + +#define EC_CMD_PWM_GET_DUTY 0x26 + +struct ec_params_pwm_get_duty { + uint8_t pwm_type; /* ec_pwm_type */ + uint8_t index; /* Type-specific index, or 0 if unique */ +} __packed; + +struct ec_response_pwm_get_duty { + uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ +} __packed; + /*****************************************************************************/ /* * Lightbar commands. This looks worse than it is. Since we only use one HOST diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index e6f6910278f3..42da3552f7cb 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -220,6 +220,7 @@ enum { MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32, MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33, MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER = 1ULL << 34, + MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT = 1ULL << 35, }; enum { @@ -1342,6 +1343,9 @@ enum { VXLAN_STEER_BY_INNER_VLAN = 1 << 4, }; +enum { + MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS = 0x2, +}; int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn, enum mlx4_net_trans_promisc_mode mode); @@ -1382,6 +1386,9 @@ void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr, int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr); int mlx4_SYNC_TPT(struct mlx4_dev *dev); int mlx4_test_interrupts(struct mlx4_dev *dev); +int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier, + const u32 offset[], u32 value[], + size_t array_len, u8 port); u32 mlx4_get_eqs_per_port(struct mlx4_dev *dev, u8 port); bool mlx4_is_eq_vector_valid(struct mlx4_dev *dev, u8 port, int vector); struct cpu_rmap *mlx4_get_cpu_rmap(struct mlx4_dev *dev, int port); diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index 2be976dd4966..2566f6d6444f 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -58,6 +58,8 @@ struct mlx5_core_cq { void (*comp)(struct mlx5_core_cq *); void *priv; } tasklet_ctx; + int reset_notify_added; + struct list_head reset_notify; }; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index a041b99fceac..ccea6fb16482 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -46,6 +46,7 @@ #include <linux/mlx5/device.h> #include <linux/mlx5/doorbell.h> +#include <linux/mlx5/srq.h> enum { MLX5_RQ_BITMASK_VSD = 1 << 1, @@ -798,11 +799,10 @@ struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev, void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev, struct mlx5_cmd_mailbox *head); int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_create_srq_mbox_in *in, int inlen, - int is_xrc); + struct mlx5_srq_attr *in); int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, - struct mlx5_query_srq_mbox_out *out); + struct mlx5_srq_attr *out); int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq); void mlx5_init_mkey_table(struct mlx5_core_dev *dev); diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index ab310819ac36..7879bf411891 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -556,9 +556,9 @@ struct mlx5_destroy_qp_mbox_out { struct mlx5_modify_qp_mbox_in { struct mlx5_inbox_hdr hdr; __be32 qpn; - u8 rsvd1[4]; - __be32 optparam; u8 rsvd0[4]; + __be32 optparam; + u8 rsvd1[4]; struct mlx5_qp_context ctx; u8 rsvd2[16]; }; diff --git a/include/linux/mlx5/srq.h b/include/linux/mlx5/srq.h index f43ed054a3e0..33c97dc900f8 100644 --- a/include/linux/mlx5/srq.h +++ b/include/linux/mlx5/srq.h @@ -35,6 +35,31 @@ #include <linux/mlx5/driver.h> +enum { + MLX5_SRQ_FLAG_ERR = (1 << 0), + MLX5_SRQ_FLAG_WQ_SIG = (1 << 1), +}; + +struct mlx5_srq_attr { + u32 type; + u32 flags; + u32 log_size; + u32 wqe_shift; + u32 log_page_size; + u32 wqe_cnt; + u32 srqn; + u32 xrcd; + u32 page_offset; + u32 cqn; + u32 pd; + u32 lwm; + u32 user_index; + u64 db_record; + u64 *pas; +}; + +struct mlx5_core_dev; + void mlx5_init_srq_table(struct mlx5_core_dev *dev); void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f2e4e90621ec..d572b78b65e1 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -68,8 +68,10 @@ extern char * const migratetype_names[MIGRATE_TYPES]; #ifdef CONFIG_CMA # define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA) +# define is_migrate_cma_page(_page) (get_pageblock_migratetype(_page) == MIGRATE_CMA) #else # define is_migrate_cma(migratetype) false +# define is_migrate_cma_page(_page) false #endif #define for_each_migratetype_order(order, type) \ diff --git a/include/linux/module.h b/include/linux/module.h index 3daf2b3a09d2..0c3207d26ac0 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -18,6 +18,7 @@ #include <linux/moduleparam.h> #include <linux/jump_label.h> #include <linux/export.h> +#include <linux/extable.h> /* only as arch move module.h -> extable.h */ #include <linux/rbtree_latch.h> #include <linux/percpu.h> @@ -37,6 +38,7 @@ struct modversion_info { }; struct module; +struct exception_table_entry; struct module_kobject { struct kobject kobj; @@ -155,18 +157,6 @@ extern void cleanup_module(void); #define __INITRODATA_OR_MODULE __INITRODATA #endif /*CONFIG_MODULES*/ -/* Archs provide a method of finding the correct exception table. */ -struct exception_table_entry; - -const struct exception_table_entry * -search_extable(const struct exception_table_entry *first, - const struct exception_table_entry *last, - unsigned long value); -void sort_extable(struct exception_table_entry *start, - struct exception_table_entry *finish); -void sort_main_extable(void); -void trim_init_extable(struct module *m); - /* Generic info of form tag = "info" */ #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) @@ -268,9 +258,6 @@ extern const typeof(name) __mod_##type##__##name##_device_table \ * files require multiple MODULE_FIRMWARE() specifiers */ #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware) -/* Given an address, look for it in the exception tables */ -const struct exception_table_entry *search_exception_tables(unsigned long add); - struct notifier_block; #ifdef CONFIG_MODULES @@ -311,6 +298,8 @@ struct module_layout { unsigned int text_size; /* Size of RO section of the module (text+rodata) */ unsigned int ro_size; + /* Size of RO after init section */ + unsigned int ro_after_init_size; #ifdef CONFIG_MODULES_TREE_LOOKUP struct mod_tree_node mtn; @@ -575,8 +564,8 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); -extern void __module_put_and_exit(struct module *mod, long code) - __attribute__((noreturn)); +extern void __noreturn __module_put_and_exit(struct module *mod, + long code); #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code) #ifdef CONFIG_MODULE_UNLOAD @@ -630,9 +619,6 @@ const char *module_address_lookup(unsigned long addr, int lookup_module_symbol_name(unsigned long addr, char *symname); int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); -/* For extable.c to search modules' exception tables. */ -const struct exception_table_entry *search_module_extables(unsigned long addr); - int register_module_notifier(struct notifier_block *nb); int unregister_module_notifier(struct notifier_block *nb); @@ -657,13 +643,6 @@ static inline bool is_livepatch_module(struct module *mod) #else /* !CONFIG_MODULES... */ -/* Given an address, look for it in the exception tables. */ -static inline const struct exception_table_entry * -search_module_extables(unsigned long addr) -{ - return NULL; -} - static inline struct module *__module_address(unsigned long addr) { return NULL; @@ -788,12 +767,12 @@ extern int module_sysfs_initialized; #ifdef CONFIG_DEBUG_SET_MODULE_RONX extern void set_all_modules_text_rw(void); extern void set_all_modules_text_ro(void); -extern void module_enable_ro(const struct module *mod); +extern void module_enable_ro(const struct module *mod, bool after_init); extern void module_disable_ro(const struct module *mod); #else static inline void set_all_modules_text_rw(void) { } static inline void set_all_modules_text_ro(void) { } -static inline void module_enable_ro(const struct module *mod) { } +static inline void module_enable_ro(const struct module *mod, bool after_init) { } static inline void module_disable_ro(const struct module *mod) { } #endif diff --git a/include/linux/msi.h b/include/linux/msi.h index 4f0bfe5912b2..e8c81fbd5f9c 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -270,6 +270,8 @@ enum { MSI_FLAG_MULTI_PCI_MSI = (1 << 2), /* Support PCI MSIX interrupts */ MSI_FLAG_PCI_MSIX = (1 << 3), + /* Needs early activate, required for PCI */ + MSI_FLAG_ACTIVATE_EARLY = (1 << 4), }; int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 96e0b6cd964e..794bb0733799 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3895,8 +3895,7 @@ void netdev_default_l2upper_neigh_destroy(struct net_device *dev, extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN] __read_mostly; void netdev_rss_key_fill(void *buffer, size_t len); -int dev_get_nest_level(struct net_device *dev, - bool (*type_check)(const struct net_device *dev)); +int dev_get_nest_level(struct net_device *dev); int skb_checksum_help(struct sk_buff *skb); struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path); diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index bfed6b367350..c6564ada9beb 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -643,4 +643,15 @@ enum pnfs_update_layout_reason { PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, }; +#define NFS4_OP_MAP_NUM_LONGS \ + DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) +#define NFS4_OP_MAP_NUM_WORDS \ + (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) +struct nfs4_op_map { + union { + unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; + u32 words[NFS4_OP_MAP_NUM_WORDS]; + } u; +}; + #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 82b81a1c2438..7cc0deee5bde 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1185,17 +1185,6 @@ struct pnfs_ds_commit_info { struct pnfs_commit_bucket *buckets; }; -#define NFS4_OP_MAP_NUM_LONGS \ - DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) -#define NFS4_OP_MAP_NUM_WORDS \ - (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) -struct nfs4_op_map { - union { - unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; - u32 words[NFS4_OP_MAP_NUM_WORDS]; - } u; -}; - struct nfs41_state_protection { u32 how; struct nfs4_op_map enforce; @@ -1543,7 +1532,7 @@ struct nfs_rpc_ops { struct nfs_fattr *, struct nfs4_label *); int (*setattr) (struct dentry *, struct nfs_fattr *, struct iattr *); - int (*lookup) (struct inode *, struct qstr *, + int (*lookup) (struct inode *, const struct qstr *, struct nfs_fh *, struct nfs_fattr *, struct nfs4_label *); int (*access) (struct inode *, struct nfs_access_entry *); @@ -1551,18 +1540,18 @@ struct nfs_rpc_ops { unsigned int); int (*create) (struct inode *, struct dentry *, struct iattr *, int); - int (*remove) (struct inode *, struct qstr *); + int (*remove) (struct inode *, const struct qstr *); void (*unlink_setup) (struct rpc_message *, struct inode *dir); void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); int (*unlink_done) (struct rpc_task *, struct inode *); void (*rename_setup) (struct rpc_message *msg, struct inode *dir); void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *); int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir); - int (*link) (struct inode *, struct inode *, struct qstr *); + int (*link) (struct inode *, struct inode *, const struct qstr *); int (*symlink) (struct inode *, struct dentry *, struct page *, unsigned int, struct iattr *); int (*mkdir) (struct inode *, struct dentry *, struct iattr *); - int (*rmdir) (struct inode *, struct qstr *); + int (*rmdir) (struct inode *, const struct qstr *); int (*readdir) (struct dentry *, struct rpc_cred *, u64, struct page **, unsigned int, int); int (*mknod) (struct inode *, struct dentry *, struct iattr *, diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 81363b834900..66a1260b33de 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -510,7 +510,7 @@ static inline void wait_on_page_writeback(struct page *page) extern void end_page_writeback(struct page *page); void wait_for_stable_page(struct page *page); -void page_endio(struct page *page, int rw, int err); +void page_endio(struct page *page, bool is_write, int err); /* * Add an arbitrary waiter to a page's wait queue diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 8ed4326164cc..2b6b43cc0dd5 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -743,7 +743,9 @@ struct perf_event_context { u64 parent_gen; u64 generation; int pin_count; +#ifdef CONFIG_CGROUP_PERF int nr_cgroups; /* cgroup evts */ +#endif void *task_ctx_data; /* pmu specific data */ struct rcu_head rcu_head; }; @@ -769,7 +771,9 @@ struct perf_cpu_context { unsigned int hrtimer_active; struct pmu *unique_pmu; +#ifdef CONFIG_CGROUP_PERF struct perf_cgroup *cgrp; +#endif }; struct perf_output_handle { diff --git a/include/linux/rtc-ds2404.h b/include/linux/platform_data/rtc-ds2404.h index 22c53825528f..22c53825528f 100644 --- a/include/linux/rtc-ds2404.h +++ b/include/linux/platform_data/rtc-ds2404.h diff --git a/include/linux/m48t86.h b/include/linux/platform_data/rtc-m48t86.h index 915d6b4f0f89..915d6b4f0f89 100644 --- a/include/linux/m48t86.h +++ b/include/linux/platform_data/rtc-m48t86.h diff --git a/include/linux/rtc-v3020.h b/include/linux/platform_data/rtc-v3020.h index e55d82cebf80..e55d82cebf80 100644 --- a/include/linux/rtc-v3020.h +++ b/include/linux/platform_data/rtc-v3020.h diff --git a/include/linux/printk.h b/include/linux/printk.h index 8dc155dab3ed..696a56be7d3e 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -266,39 +266,21 @@ extern asmlinkage void dump_stack(void) __cold; * and other debug macros are compiled out unless either DEBUG is defined * or CONFIG_DYNAMIC_DEBUG is set. */ - -#ifdef CONFIG_PRINTK - -asmlinkage __printf(1, 2) __cold void __pr_emerg(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_alert(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_crit(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_err(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_warn(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_notice(const char *fmt, ...); -asmlinkage __printf(1, 2) __cold void __pr_info(const char *fmt, ...); - -#define pr_emerg(fmt, ...) __pr_emerg(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_alert(fmt, ...) __pr_alert(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_crit(fmt, ...) __pr_crit(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_err(fmt, ...) __pr_err(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warn(fmt, ...) __pr_warn(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_notice(fmt, ...) __pr_notice(pr_fmt(fmt), ##__VA_ARGS__) -#define pr_info(fmt, ...) __pr_info(pr_fmt(fmt), ##__VA_ARGS__) - -#else - -#define pr_emerg(fmt, ...) printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) -#define pr_alert(fmt, ...) printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_crit(fmt, ...) printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_err(fmt, ...) printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warn(fmt, ...) printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) -#define pr_notice(fmt, ...) printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) -#define pr_info(fmt, ...) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) - -#endif - -#define pr_warning pr_warn - +#define pr_emerg(fmt, ...) \ + printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert(fmt, ...) \ + printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit(fmt, ...) \ + printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err(fmt, ...) \ + printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warning(fmt, ...) \ + printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warn pr_warning +#define pr_notice(fmt, ...) \ + printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info(fmt, ...) \ + printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) /* * Like KERN_CONT, pr_cont() should only be used when continuing * a line with no newline ('\n') enclosed. Otherwise it defaults diff --git a/include/linux/pwm.h b/include/linux/pwm.h index c038ae36b10e..f1bbae014889 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -5,7 +5,9 @@ #include <linux/mutex.h> #include <linux/of.h> +struct pwm_capture; struct seq_file; + struct pwm_chip; /** @@ -148,11 +150,100 @@ static inline void pwm_get_args(const struct pwm_device *pwm, } /** + * pwm_init_state() - prepare a new state to be applied with pwm_apply_state() + * @pwm: PWM device + * @state: state to fill with the prepared PWM state + * + * This functions prepares a state that can later be tweaked and applied + * to the PWM device with pwm_apply_state(). This is a convenient function + * that first retrieves the current PWM state and the replaces the period + * and polarity fields with the reference values defined in pwm->args. + * Once the function returns, you can adjust the ->enabled and ->duty_cycle + * fields according to your needs before calling pwm_apply_state(). + * + * ->duty_cycle is initially set to zero to avoid cases where the current + * ->duty_cycle value exceed the pwm_args->period one, which would trigger + * an error if the user calls pwm_apply_state() without adjusting ->duty_cycle + * first. + */ +static inline void pwm_init_state(const struct pwm_device *pwm, + struct pwm_state *state) +{ + struct pwm_args args; + + /* First get the current state. */ + pwm_get_state(pwm, state); + + /* Then fill it with the reference config */ + pwm_get_args(pwm, &args); + + state->period = args.period; + state->polarity = args.polarity; + state->duty_cycle = 0; +} + +/** + * pwm_get_relative_duty_cycle() - Get a relative duty cycle value + * @state: PWM state to extract the duty cycle from + * @scale: target scale of the relative duty cycle + * + * This functions converts the absolute duty cycle stored in @state (expressed + * in nanosecond) into a value relative to the period. + * + * For example if you want to get the duty_cycle expressed in percent, call: + * + * pwm_get_state(pwm, &state); + * duty = pwm_get_relative_duty_cycle(&state, 100); + */ +static inline unsigned int +pwm_get_relative_duty_cycle(const struct pwm_state *state, unsigned int scale) +{ + if (!state->period) + return 0; + + return DIV_ROUND_CLOSEST_ULL((u64)state->duty_cycle * scale, + state->period); +} + +/** + * pwm_set_relative_duty_cycle() - Set a relative duty cycle value + * @state: PWM state to fill + * @duty_cycle: relative duty cycle value + * @scale: scale in which @duty_cycle is expressed + * + * This functions converts a relative into an absolute duty cycle (expressed + * in nanoseconds), and puts the result in state->duty_cycle. + * + * For example if you want to configure a 50% duty cycle, call: + * + * pwm_init_state(pwm, &state); + * pwm_set_relative_duty_cycle(&state, 50, 100); + * pwm_apply_state(pwm, &state); + * + * This functions returns -EINVAL if @duty_cycle and/or @scale are + * inconsistent (@scale == 0 or @duty_cycle > @scale). + */ +static inline int +pwm_set_relative_duty_cycle(struct pwm_state *state, unsigned int duty_cycle, + unsigned int scale) +{ + if (!scale || duty_cycle > scale) + return -EINVAL; + + state->duty_cycle = DIV_ROUND_CLOSEST_ULL((u64)duty_cycle * + state->period, + scale); + + return 0; +} + +/** * struct pwm_ops - PWM controller operations * @request: optional hook for requesting a PWM * @free: optional hook for freeing a PWM * @config: configure duty cycles and period length for this PWM * @set_polarity: configure the polarity of this PWM + * @capture: capture and report PWM signal * @enable: enable PWM output toggling * @disable: disable PWM output toggling * @apply: atomically apply a new PWM config. The state argument @@ -172,6 +263,8 @@ struct pwm_ops { int duty_ns, int period_ns); int (*set_polarity)(struct pwm_chip *chip, struct pwm_device *pwm, enum pwm_polarity polarity); + int (*capture)(struct pwm_chip *chip, struct pwm_device *pwm, + struct pwm_capture *result, unsigned long timeout); int (*enable)(struct pwm_chip *chip, struct pwm_device *pwm); void (*disable)(struct pwm_chip *chip, struct pwm_device *pwm); int (*apply)(struct pwm_chip *chip, struct pwm_device *pwm, @@ -212,6 +305,16 @@ struct pwm_chip { bool can_sleep; }; +/** + * struct pwm_capture - PWM capture data + * @period: period of the PWM signal (in nanoseconds) + * @duty_cycle: duty cycle of the PWM signal (in nanoseconds) + */ +struct pwm_capture { + unsigned int period; + unsigned int duty_cycle; +}; + #if IS_ENABLED(CONFIG_PWM) /* PWM user APIs */ struct pwm_device *pwm_request(int pwm_id, const char *label); @@ -323,8 +426,9 @@ static inline void pwm_disable(struct pwm_device *pwm) pwm_apply_state(pwm, &state); } - /* PWM provider APIs */ +int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result, + unsigned long timeout); int pwm_set_chip_data(struct pwm_device *pwm, void *data); void *pwm_get_chip_data(struct pwm_device *pwm); @@ -376,6 +480,13 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns, return -EINVAL; } +static inline int pwm_capture(struct pwm_device *pwm, + struct pwm_capture *result, + unsigned long timeout) +{ + return -EINVAL; +} + static inline int pwm_set_polarity(struct pwm_device *pwm, enum pwm_polarity polarity) { diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index 737fc4c8db49..3ed7d20e3811 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -70,8 +70,16 @@ struct qed_dbcx_pfc_params { u8 max_tc; }; +enum qed_dcbx_sf_ieee_type { + QED_DCBX_SF_IEEE_ETHTYPE, + QED_DCBX_SF_IEEE_TCP_PORT, + QED_DCBX_SF_IEEE_UDP_PORT, + QED_DCBX_SF_IEEE_TCP_UDP_PORT +}; + struct qed_app_entry { bool ethtype; + enum qed_dcbx_sf_ieee_type sf_ieee; bool enabled; u8 prio; u16 proto_id; diff --git a/include/linux/ds1286.h b/include/linux/rtc/ds1286.h index 45ea0aa0aeb9..45ea0aa0aeb9 100644 --- a/include/linux/ds1286.h +++ b/include/linux/rtc/ds1286.h diff --git a/include/linux/security.h b/include/linux/security.h index 14df373ff2ca..7831cd57bcf7 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -240,7 +240,7 @@ int security_sb_clone_mnt_opts(const struct super_block *oldsb, struct super_block *newsb); int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts); int security_dentry_init_security(struct dentry *dentry, int mode, - struct qstr *name, void **ctx, + const struct qstr *name, void **ctx, u32 *ctxlen); int security_inode_alloc(struct inode *inode); @@ -591,7 +591,7 @@ static inline void security_inode_free(struct inode *inode) static inline int security_dentry_init_security(struct dentry *dentry, int mode, - struct qstr *name, + const struct qstr *name, void **ctx, u32 *ctxlen) { diff --git a/include/linux/serio.h b/include/linux/serio.h index df4ab5de1586..c733cff44e18 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -31,7 +31,8 @@ struct serio { struct serio_device_id id; - spinlock_t lock; /* protects critical sections from port's interrupt handler */ + /* Protects critical sections from port's interrupt handler */ + spinlock_t lock; int (*write)(struct serio *, unsigned char); int (*open)(struct serio *); @@ -40,16 +41,29 @@ struct serio { void (*stop)(struct serio *); struct serio *parent; - struct list_head child_node; /* Entry in parent->children list */ + /* Entry in parent->children list */ + struct list_head child_node; struct list_head children; - unsigned int depth; /* level of nesting in serio hierarchy */ + /* Level of nesting in serio hierarchy */ + unsigned int depth; - struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */ - struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */ + /* + * serio->drv is accessed from interrupt handlers; when modifying + * caller should acquire serio->drv_mutex and serio->lock. + */ + struct serio_driver *drv; + /* Protects serio->drv so attributes can pin current driver */ + struct mutex drv_mutex; struct device dev; struct list_head node; + + /* + * For use by PS/2 layer when several ports share hardware and + * may get indigestion when exposed to concurrent access (i8042). + */ + struct mutex *ps2_cmd_mutex; }; #define to_serio_port(d) container_of(d, struct serio, dev) diff --git a/include/linux/slab.h b/include/linux/slab.h index 1a4ea551aae5..4293808d8cfb 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -155,6 +155,18 @@ void kfree(const void *); void kzfree(const void *); size_t ksize(const void *); +#ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR +const char *__check_heap_object(const void *ptr, unsigned long n, + struct page *page); +#else +static inline const char *__check_heap_object(const void *ptr, + unsigned long n, + struct page *page) +{ + return NULL; +} +#endif + /* * Some archs want to perform DMA into kmalloc caches and need a guaranteed * alignment larger than the alignment of a 64-bit integer. diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index ed03c9f7f908..62a60eeacb0a 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -78,8 +78,6 @@ struct cache_detail { struct hlist_head * hash_table; rwlock_t hash_lock; - atomic_t inuse; /* active user-space update or lookup */ - char *name; void (*cache_put)(struct kref *); diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index b6810c92b8bb..5c02b0691587 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -195,6 +195,8 @@ int rpc_clnt_add_xprt(struct rpc_clnt *, struct xprt_create *, struct rpc_xprt *, void *), void *data); +void rpc_cap_max_reconnect_timeout(struct rpc_clnt *clnt, + unsigned long timeo); const char *rpc_proc_name(const struct rpc_task *task); #endif /* __KERNEL__ */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 7ca44fb5b675..7321ae933867 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -268,6 +268,7 @@ struct svc_rqst { * cache pages */ #define RQ_VICTIM (5) /* about to be shut down */ #define RQ_BUSY (6) /* request is busy */ +#define RQ_DATA (7) /* request has data */ unsigned long rq_flags; /* flags field */ void * rq_argp; /* decoded arguments */ diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index 79ba50856707..ab02a457da1f 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -25,7 +25,6 @@ struct svc_xprt_ops { void (*xpo_detach)(struct svc_xprt *); void (*xpo_free)(struct svc_xprt *); int (*xpo_secure_port)(struct svc_rqst *); - void (*xpo_adjust_wspace)(struct svc_xprt *); }; struct svc_xprt_class { @@ -69,6 +68,7 @@ struct svc_xprt { struct svc_serv *xpt_server; /* service for transport */ atomic_t xpt_reserved; /* space on outq that is rsvd */ + atomic_t xpt_nr_rqsts; /* Number of requests */ struct mutex xpt_mutex; /* to serialize sending data */ spinlock_t xpt_lock; /* protects sk_deferred * and xpt_auth_cache */ diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 5e3e1b63dbb3..a16070dd03ee 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -218,7 +218,8 @@ struct rpc_xprt { struct work_struct task_cleanup; struct timer_list timer; unsigned long last_used, - idle_timeout; + idle_timeout, + max_reconnect_timeout; /* * Send stuff diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 017fced60242..5f81f8a187f2 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -6,7 +6,6 @@ #include <linux/types.h> struct device; -struct dma_attrs; struct page; struct scatterlist; @@ -68,10 +67,10 @@ swiotlb_free_coherent(struct device *hwdev, size_t size, extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, @@ -83,12 +82,13 @@ swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, extern int swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, - enum dma_data_direction dir, struct dma_attrs *attrs); + enum dma_data_direction dir, + unsigned long attrs); extern void swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); extern void swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 352b1542f5cc..cbd8990e2e77 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -105,6 +105,30 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag) #define tif_need_resched() test_thread_flag(TIF_NEED_RESCHED) +#ifndef CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES +static inline int arch_within_stack_frames(const void * const stack, + const void * const stackend, + const void *obj, unsigned long len) +{ + return 0; +} +#endif + +#ifdef CONFIG_HARDENED_USERCOPY +extern void __check_object_size(const void *ptr, unsigned long n, + bool to_user); + +static inline void check_object_size(const void *ptr, unsigned long n, + bool to_user) +{ + __check_object_size(ptr, n, to_user); +} +#else +static inline void check_object_size(const void *ptr, unsigned long n, + bool to_user) +{ } +#endif /* CONFIG_HARDENED_USERCOPY */ + #endif /* __KERNEL__ */ #endif /* _LINUX_THREAD_INFO_H */ diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 349557825428..f30c187ed785 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -114,8 +114,8 @@ extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); #ifndef user_access_begin #define user_access_begin() do { } while (0) #define user_access_end() do { } while (0) -#define unsafe_get_user(x, ptr) __get_user(x, ptr) -#define unsafe_put_user(x, ptr) __put_user(x, ptr) +#define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0) +#define unsafe_put_user(x, ptr, err) do { if (unlikely(__put_user(x, ptr))) goto err; } while (0) #endif #endif /* __LINUX_UACCESS_H__ */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 6e6cb0c9d7cb..26c155bb639b 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -149,6 +149,19 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, return __virtio_test_bit(vdev, fbit); } +/** + * virtio_has_iommu_quirk - determine whether this device has the iommu quirk + * @vdev: the device + */ +static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev) +{ + /* + * Note the reverse polarity of the quirk feature (compared to most + * other features), this is for compatibility with legacy systems. + */ + return !virtio_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM); +} + static inline struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev, vq_callback_t *c, const char *n) diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h new file mode 100644 index 000000000000..9638bfeb0d1f --- /dev/null +++ b/include/linux/virtio_vsock.h @@ -0,0 +1,154 @@ +#ifndef _LINUX_VIRTIO_VSOCK_H +#define _LINUX_VIRTIO_VSOCK_H + +#include <uapi/linux/virtio_vsock.h> +#include <linux/socket.h> +#include <net/sock.h> +#include <net/af_vsock.h> + +#define VIRTIO_VSOCK_DEFAULT_MIN_BUF_SIZE 128 +#define VIRTIO_VSOCK_DEFAULT_BUF_SIZE (1024 * 256) +#define VIRTIO_VSOCK_DEFAULT_MAX_BUF_SIZE (1024 * 256) +#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4) +#define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL +#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64) + +enum { + VSOCK_VQ_RX = 0, /* for host to guest data */ + VSOCK_VQ_TX = 1, /* for guest to host data */ + VSOCK_VQ_EVENT = 2, + VSOCK_VQ_MAX = 3, +}; + +/* Per-socket state (accessed via vsk->trans) */ +struct virtio_vsock_sock { + struct vsock_sock *vsk; + + /* Protected by lock_sock(sk_vsock(trans->vsk)) */ + u32 buf_size; + u32 buf_size_min; + u32 buf_size_max; + + spinlock_t tx_lock; + spinlock_t rx_lock; + + /* Protected by tx_lock */ + u32 tx_cnt; + u32 buf_alloc; + u32 peer_fwd_cnt; + u32 peer_buf_alloc; + + /* Protected by rx_lock */ + u32 fwd_cnt; + u32 rx_bytes; + struct list_head rx_queue; +}; + +struct virtio_vsock_pkt { + struct virtio_vsock_hdr hdr; + struct work_struct work; + struct list_head list; + void *buf; + u32 len; + u32 off; + bool reply; +}; + +struct virtio_vsock_pkt_info { + u32 remote_cid, remote_port; + struct msghdr *msg; + u32 pkt_len; + u16 type; + u16 op; + u32 flags; + bool reply; +}; + +struct virtio_transport { + /* This must be the first field */ + struct vsock_transport transport; + + /* Takes ownership of the packet */ + int (*send_pkt)(struct virtio_vsock_pkt *pkt); +}; + +ssize_t +virtio_transport_stream_dequeue(struct vsock_sock *vsk, + struct msghdr *msg, + size_t len, + int type); +int +virtio_transport_dgram_dequeue(struct vsock_sock *vsk, + struct msghdr *msg, + size_t len, int flags); + +s64 virtio_transport_stream_has_data(struct vsock_sock *vsk); +s64 virtio_transport_stream_has_space(struct vsock_sock *vsk); + +int virtio_transport_do_socket_init(struct vsock_sock *vsk, + struct vsock_sock *psk); +u64 virtio_transport_get_buffer_size(struct vsock_sock *vsk); +u64 virtio_transport_get_min_buffer_size(struct vsock_sock *vsk); +u64 virtio_transport_get_max_buffer_size(struct vsock_sock *vsk); +void virtio_transport_set_buffer_size(struct vsock_sock *vsk, u64 val); +void virtio_transport_set_min_buffer_size(struct vsock_sock *vsk, u64 val); +void virtio_transport_set_max_buffer_size(struct vsock_sock *vs, u64 val); +int +virtio_transport_notify_poll_in(struct vsock_sock *vsk, + size_t target, + bool *data_ready_now); +int +virtio_transport_notify_poll_out(struct vsock_sock *vsk, + size_t target, + bool *space_available_now); + +int virtio_transport_notify_recv_init(struct vsock_sock *vsk, + size_t target, struct vsock_transport_recv_notify_data *data); +int virtio_transport_notify_recv_pre_block(struct vsock_sock *vsk, + size_t target, struct vsock_transport_recv_notify_data *data); +int virtio_transport_notify_recv_pre_dequeue(struct vsock_sock *vsk, + size_t target, struct vsock_transport_recv_notify_data *data); +int virtio_transport_notify_recv_post_dequeue(struct vsock_sock *vsk, + size_t target, ssize_t copied, bool data_read, + struct vsock_transport_recv_notify_data *data); +int virtio_transport_notify_send_init(struct vsock_sock *vsk, + struct vsock_transport_send_notify_data *data); +int virtio_transport_notify_send_pre_block(struct vsock_sock *vsk, + struct vsock_transport_send_notify_data *data); +int virtio_transport_notify_send_pre_enqueue(struct vsock_sock *vsk, + struct vsock_transport_send_notify_data *data); +int virtio_transport_notify_send_post_enqueue(struct vsock_sock *vsk, + ssize_t written, struct vsock_transport_send_notify_data *data); + +u64 virtio_transport_stream_rcvhiwat(struct vsock_sock *vsk); +bool virtio_transport_stream_is_active(struct vsock_sock *vsk); +bool virtio_transport_stream_allow(u32 cid, u32 port); +int virtio_transport_dgram_bind(struct vsock_sock *vsk, + struct sockaddr_vm *addr); +bool virtio_transport_dgram_allow(u32 cid, u32 port); + +int virtio_transport_connect(struct vsock_sock *vsk); + +int virtio_transport_shutdown(struct vsock_sock *vsk, int mode); + +void virtio_transport_release(struct vsock_sock *vsk); + +ssize_t +virtio_transport_stream_enqueue(struct vsock_sock *vsk, + struct msghdr *msg, + size_t len); +int +virtio_transport_dgram_enqueue(struct vsock_sock *vsk, + struct sockaddr_vm *remote_addr, + struct msghdr *msg, + size_t len); + +void virtio_transport_destruct(struct vsock_sock *vsk); + +void virtio_transport_recv_pkt(struct virtio_vsock_pkt *pkt); +void virtio_transport_free_pkt(struct virtio_vsock_pkt *pkt); +void virtio_transport_inc_tx_pkt(struct virtio_vsock_sock *vvs, struct virtio_vsock_pkt *pkt); +u32 virtio_transport_get_credit(struct virtio_vsock_sock *vvs, u32 wanted); +void virtio_transport_put_credit(struct virtio_vsock_sock *vvs, u32 credit); + +#endif /* _LINUX_VIRTIO_VSOCK_H */ diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h index 760399a470bd..2bb5deb0012e 100644 --- a/include/linux/ww_mutex.h +++ b/include/linux/ww_mutex.h @@ -173,14 +173,14 @@ static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx) mutex_release(&ctx->dep_map, 0, _THIS_IP_); DEBUG_LOCKS_WARN_ON(ctx->acquired); - if (!config_enabled(CONFIG_PROVE_LOCKING)) + if (!IS_ENABLED(CONFIG_PROVE_LOCKING)) /* * lockdep will normally handle this, * but fail without anyway */ ctx->done_acquire = 1; - if (!config_enabled(CONFIG_DEBUG_LOCK_ALLOC)) + if (!IS_ENABLED(CONFIG_DEBUG_LOCK_ALLOC)) /* ensure ww_acquire_fini will still fail if called twice */ ctx->acquired = ~0U; #endif |