diff options
Diffstat (limited to 'include')
30 files changed, 1029 insertions, 170 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index c104d4aed62a..de1414ada5a1 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -193,6 +193,11 @@ static inline void set_bdi_congested(struct backing_dev_info *bdi, int sync) set_wb_congested(bdi->wb.congested, sync); } +struct wb_lock_cookie { + bool locked; + unsigned long flags; +}; + #ifdef CONFIG_CGROUP_WRITEBACK /** diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 125bc67319b4..4bc6540d426b 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -374,7 +374,7 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) /** * unlocked_inode_to_wb_begin - begin unlocked inode wb access transaction * @inode: target inode - * @lockedp: temp bool output param, to be passed to the end function + * @cookie: output param, to be passed to the end function * * The caller wants to access the wb associated with @inode but isn't * holding inode->i_lock, mapping->tree_lock or wb->list_lock. This @@ -382,12 +382,12 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) * association doesn't change until the transaction is finished with * unlocked_inode_to_wb_end(). * - * The caller must call unlocked_inode_to_wb_end() with *@lockdep - * afterwards and can't sleep during transaction. IRQ may or may not be - * disabled on return. + * The caller must call unlocked_inode_to_wb_end() with *@cookie afterwards and + * can't sleep during the transaction. IRQs may or may not be disabled on + * return. */ static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { rcu_read_lock(); @@ -395,10 +395,10 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) * Paired with store_release in inode_switch_wb_work_fn() and * ensures that we see the new wb if we see cleared I_WB_SWITCH. */ - *lockedp = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; + cookie->locked = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; - if (unlikely(*lockedp)) - spin_lock_irq(&inode->i_mapping->tree_lock); + if (unlikely(cookie->locked)) + spin_lock_irqsave(&inode->i_mapping->tree_lock, cookie->flags); /* * Protected by either !I_WB_SWITCH + rcu_read_lock() or tree_lock. @@ -410,12 +410,14 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) /** * unlocked_inode_to_wb_end - end inode wb access transaction * @inode: target inode - * @locked: *@lockedp from unlocked_inode_to_wb_begin() + * @cookie: @cookie from unlocked_inode_to_wb_begin() */ -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { - if (unlikely(locked)) - spin_unlock_irq(&inode->i_mapping->tree_lock); + if (unlikely(cookie->locked)) + spin_unlock_irqrestore(&inode->i_mapping->tree_lock, + cookie->flags); rcu_read_unlock(); } @@ -462,12 +464,13 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) } static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { return inode_to_wb(inode); } -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 6d73a04d0150..e7fd9490bcf6 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -56,6 +56,7 @@ struct bio { struct bio *bi_next; /* request queue link */ struct block_device *bi_bdev; unsigned int bi_flags; /* status, command, etc */ + unsigned short bi_write_hint; int bi_error; unsigned long bi_rw; /* bottom bits READ/WRITE, * top bits priority diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 073365c9808a..2ebfa01b7091 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -21,6 +21,7 @@ #define F2FS_BLKSIZE 4096 /* support only 4KB block */ #define F2FS_BLKSIZE_BITS 12 /* bits for F2FS_BLKSIZE */ #define F2FS_MAX_EXTENSION 64 /* # of extension entries */ +#define F2FS_EXTENSION_LEN 8 /* max size of extension */ #define F2FS_BLK_ALIGN(x) (((x) + F2FS_BLKSIZE - 1) >> F2FS_BLKSIZE_BITS) #define NULL_ADDR ((block_t)0) /* used as block_t addresses */ @@ -38,10 +39,10 @@ #define F2FS_MAX_QUOTAS 3 -#define F2FS_IO_SIZE(sbi) (1 << (sbi)->write_io_size_bits) /* Blocks */ -#define F2FS_IO_SIZE_KB(sbi) (1 << ((sbi)->write_io_size_bits + 2)) /* KB */ -#define F2FS_IO_SIZE_BYTES(sbi) (1 << ((sbi)->write_io_size_bits + 12)) /* B */ -#define F2FS_IO_SIZE_BITS(sbi) ((sbi)->write_io_size_bits) /* power of 2 */ +#define F2FS_IO_SIZE(sbi) (1 << F2FS_OPTION(sbi).write_io_size_bits) /* Blocks */ +#define F2FS_IO_SIZE_KB(sbi) (1 << (F2FS_OPTION(sbi).write_io_size_bits + 2)) /* KB */ +#define F2FS_IO_SIZE_BYTES(sbi) (1 << (F2FS_OPTION(sbi).write_io_size_bits + 12)) /* B */ +#define F2FS_IO_SIZE_BITS(sbi) (F2FS_OPTION(sbi).write_io_size_bits) /* power of 2 */ #define F2FS_IO_SIZE_MASK(sbi) (F2FS_IO_SIZE(sbi) - 1) /* This flag is used by node and meta inodes, and by recovery */ @@ -101,7 +102,7 @@ struct f2fs_super_block { __u8 uuid[16]; /* 128-bit uuid for volume */ __le16 volume_name[MAX_VOLUME_NAME]; /* volume name */ __le32 extension_count; /* # of extensions below */ - __u8 extension_list[F2FS_MAX_EXTENSION][8]; /* extension array */ + __u8 extension_list[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];/* extension array */ __le32 cp_payload; __u8 version[VERSION_LEN]; /* the kernel version */ __u8 init_version[VERSION_LEN]; /* the initial kernel version */ @@ -110,12 +111,14 @@ struct f2fs_super_block { __u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */ struct f2fs_device devs[MAX_DEVICES]; /* device list */ __le32 qf_ino[F2FS_MAX_QUOTAS]; /* quota inode numbers */ - __u8 reserved[315]; /* valid reserved region */ + __u8 hot_ext_count; /* # of hot file extension */ + __u8 reserved[314]; /* valid reserved region */ } __packed; /* * For checkpoint */ +#define CP_LARGE_NAT_BITMAP_FLAG 0x00000400 #define CP_NOCRC_RECOVERY_FLAG 0x00000200 #define CP_TRIMMED_FLAG 0x00000100 #define CP_NAT_BITS_FLAG 0x00000080 @@ -302,6 +305,10 @@ struct f2fs_node { */ #define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry)) #define NAT_ENTRY_BITMAP_SIZE ((NAT_ENTRY_PER_BLOCK + 7) / 8) +#define NAT_ENTRY_BITMAP_SIZE_ALIGNED \ + ((NAT_ENTRY_BITMAP_SIZE + BITS_PER_LONG - 1) / \ + BITS_PER_LONG * BITS_PER_LONG) + struct f2fs_nat_entry { __u8 version; /* latest version of cached nat entry */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 20b7b1b41630..250f4d1ce9c5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -20,6 +20,7 @@ #include <linux/rwsem.h> #include <linux/capability.h> #include <linux/semaphore.h> +#include <linux/fcntl.h> #include <linux/fiemap.h> #include <linux/rculist_bl.h> #include <linux/atomic.h> @@ -143,6 +144,9 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x4000000) +/* File is capable of returning -EAGAIN if I/O will block */ +#define FMODE_NOWAIT ((__force fmode_t)0x8000000) + /* * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector * that indicates that they should check the contents of the iovec are @@ -326,9 +330,22 @@ struct page; struct address_space; struct writeback_control; +/* + * Write life time hint values. + */ +enum rw_hint { + WRITE_LIFE_NOT_SET = 0, + WRITE_LIFE_NONE = RWH_WRITE_LIFE_NONE, + WRITE_LIFE_SHORT = RWH_WRITE_LIFE_SHORT, + WRITE_LIFE_MEDIUM = RWH_WRITE_LIFE_MEDIUM, + WRITE_LIFE_LONG = RWH_WRITE_LIFE_LONG, + WRITE_LIFE_EXTREME = RWH_WRITE_LIFE_EXTREME, +}; + #define IOCB_EVENTFD (1 << 0) #define IOCB_APPEND (1 << 1) #define IOCB_DIRECT (1 << 2) +#define IOCB_NOWAIT (1 << 7) struct kiocb { struct file *ki_filp; @@ -336,6 +353,7 @@ struct kiocb { void (*ki_complete)(struct kiocb *iocb, long ret, long ret2); void *private; int ki_flags; + enum rw_hint ki_hint; }; static inline bool is_sync_kiocb(struct kiocb *kiocb) @@ -635,6 +653,7 @@ struct inode { spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */ unsigned short i_bytes; unsigned int i_blkbits; + enum rw_hint i_write_hint; blkcnt_t i_blocks; #ifdef __NEED_I_SIZE_ORDERED @@ -1073,8 +1092,6 @@ struct file_lock_context { #define OFFT_OFFSET_MAX INT_LIMIT(off_t) #endif -#include <linux/fcntl.h> - extern void send_sigio(struct fown_struct *fown, int fd, int band); #ifdef CONFIG_FILE_LOCKING diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index 8641e56b8f8a..9e535af579e8 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -13,42 +13,13 @@ #ifndef _LINUX_FSCRYPT_H #define _LINUX_FSCRYPT_H -#include <linux/key.h> #include <linux/fs.h> -#include <linux/mm.h> -#include <linux/bio.h> -#include <linux/dcache.h> -#include <crypto/skcipher.h> -#include <uapi/linux/fs.h> #define FS_CRYPTO_BLOCK_SIZE 16 +struct fscrypt_ctx; struct fscrypt_info; -struct fscrypt_ctx { - union { - struct { - struct page *bounce_page; /* Ciphertext page */ - struct page *control_page; /* Original page */ - } w; - struct { - struct bio *bio; - struct work_struct work; - } r; - struct list_head free_list; /* Free list */ - }; - u8 flags; /* Flags */ -}; - -/** - * For encrypted symlinks, the ciphertext length is stored at the beginning - * of the string in little-endian format. - */ -struct fscrypt_symlink_data { - __le16 len; - char encrypted_path[1]; -} __packed; - struct fscrypt_str { unsigned char *name; u32 len; @@ -67,86 +38,11 @@ struct fscrypt_name { #define fname_name(p) ((p)->disk_name.name) #define fname_len(p) ((p)->disk_name.len) -/* - * fscrypt superblock flags - */ -#define FS_CFLG_OWN_PAGES (1U << 1) - -/* - * crypto opertions for filesystems - */ -struct fscrypt_operations { - unsigned int flags; - const char *key_prefix; - int (*get_context)(struct inode *, void *, size_t); - int (*set_context)(struct inode *, const void *, size_t, void *); - bool (*dummy_context)(struct inode *); - bool (*empty_dir)(struct inode *); - unsigned (*max_namelen)(struct inode *); -}; - -static inline bool fscrypt_dummy_context_enabled(struct inode *inode) -{ - if (inode->i_sb->s_cop->dummy_context && - inode->i_sb->s_cop->dummy_context(inode)) - return true; - return false; -} - -static inline bool fscrypt_valid_enc_modes(u32 contents_mode, - u32 filenames_mode) -{ - if (contents_mode == FS_ENCRYPTION_MODE_AES_128_CBC && - filenames_mode == FS_ENCRYPTION_MODE_AES_128_CTS) - return true; - - if (contents_mode == FS_ENCRYPTION_MODE_AES_256_XTS && - filenames_mode == FS_ENCRYPTION_MODE_AES_256_CTS) - return true; - - return false; -} - -static inline bool fscrypt_is_dot_dotdot(const struct qstr *str) -{ - if (str->len == 1 && str->name[0] == '.') - return true; - - if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') - return true; - - return false; -} - #if __FS_HAS_ENCRYPTION - -static inline struct page *fscrypt_control_page(struct page *page) -{ - return ((struct fscrypt_ctx *)page_private(page))->w.control_page; -} - -static inline bool fscrypt_has_encryption_key(const struct inode *inode) -{ - return (inode->i_crypt_info != NULL); -} - #include <linux/fscrypt_supp.h> - -#else /* !__FS_HAS_ENCRYPTION */ - -static inline struct page *fscrypt_control_page(struct page *page) -{ - WARN_ON_ONCE(1); - return ERR_PTR(-EINVAL); -} - -static inline bool fscrypt_has_encryption_key(const struct inode *inode) -{ - return 0; -} - +#else #include <linux/fscrypt_notsupp.h> -#endif /* __FS_HAS_ENCRYPTION */ +#endif /** * fscrypt_require_key - require an inode's encryption key @@ -287,4 +183,68 @@ static inline int fscrypt_prepare_setattr(struct dentry *dentry, return 0; } +/** + * fscrypt_prepare_symlink - prepare to create a possibly-encrypted symlink + * @dir: directory in which the symlink is being created + * @target: plaintext symlink target + * @len: length of @target excluding null terminator + * @max_len: space the filesystem has available to store the symlink target + * @disk_link: (out) the on-disk symlink target being prepared + * + * This function computes the size the symlink target will require on-disk, + * stores it in @disk_link->len, and validates it against @max_len. An + * encrypted symlink may be longer than the original. + * + * Additionally, @disk_link->name is set to @target if the symlink will be + * unencrypted, but left NULL if the symlink will be encrypted. For encrypted + * symlinks, the filesystem must call fscrypt_encrypt_symlink() to create the + * on-disk target later. (The reason for the two-step process is that some + * filesystems need to know the size of the symlink target before creating the + * inode, e.g. to determine whether it will be a "fast" or "slow" symlink.) + * + * Return: 0 on success, -ENAMETOOLONG if the symlink target is too long, + * -ENOKEY if the encryption key is missing, or another -errno code if a problem + * occurred while setting up the encryption key. + */ +static inline int fscrypt_prepare_symlink(struct inode *dir, + const char *target, + unsigned int len, + unsigned int max_len, + struct fscrypt_str *disk_link) +{ + if (IS_ENCRYPTED(dir) || fscrypt_dummy_context_enabled(dir)) + return __fscrypt_prepare_symlink(dir, len, max_len, disk_link); + + disk_link->name = (unsigned char *)target; + disk_link->len = len + 1; + if (disk_link->len > max_len) + return -ENAMETOOLONG; + return 0; +} + +/** + * fscrypt_encrypt_symlink - encrypt the symlink target if needed + * @inode: symlink inode + * @target: plaintext symlink target + * @len: length of @target excluding null terminator + * @disk_link: (in/out) the on-disk symlink target being prepared + * + * If the symlink target needs to be encrypted, then this function encrypts it + * into @disk_link->name. fscrypt_prepare_symlink() must have been called + * previously to compute @disk_link->len. If the filesystem did not allocate a + * buffer for @disk_link->name after calling fscrypt_prepare_link(), then one + * will be kmalloc()'ed and the filesystem will be responsible for freeing it. + * + * Return: 0 on success, -errno on failure + */ +static inline int fscrypt_encrypt_symlink(struct inode *inode, + const char *target, + unsigned int len, + struct fscrypt_str *disk_link) +{ + if (IS_ENCRYPTED(inode)) + return __fscrypt_encrypt_symlink(inode, target, len, disk_link); + return 0; +} + #endif /* _LINUX_FSCRYPT_H */ diff --git a/include/linux/fscrypt_notsupp.h b/include/linux/fscrypt_notsupp.h index c4c6bf2c390e..44bd4fbd3ec5 100644 --- a/include/linux/fscrypt_notsupp.h +++ b/include/linux/fscrypt_notsupp.h @@ -13,7 +13,21 @@ #ifndef _LINUX_FSCRYPT_NOTSUPP_H #define _LINUX_FSCRYPT_NOTSUPP_H +static inline bool fscrypt_has_encryption_key(const struct inode *inode) +{ + return false; +} + +static inline bool fscrypt_dummy_context_enabled(struct inode *inode) +{ + return false; +} + /* crypto.c */ +static inline void fscrypt_enqueue_decrypt_work(struct work_struct *work) +{ +} + static inline struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *inode, gfp_t gfp_flags) { @@ -42,6 +56,11 @@ static inline int fscrypt_decrypt_page(const struct inode *inode, return -EOPNOTSUPP; } +static inline struct page *fscrypt_control_page(struct page *page) +{ + WARN_ON_ONCE(1); + return ERR_PTR(-EINVAL); +} static inline void fscrypt_restore_control_page(struct page *page) { @@ -115,16 +134,8 @@ static inline void fscrypt_free_filename(struct fscrypt_name *fname) return; } -static inline u32 fscrypt_fname_encrypted_size(const struct inode *inode, - u32 ilen) -{ - /* never happens */ - WARN_ON(1); - return 0; -} - static inline int fscrypt_fname_alloc_buffer(const struct inode *inode, - u32 ilen, + u32 max_encrypted_len, struct fscrypt_str *crypto_str) { return -EOPNOTSUPP; @@ -143,13 +154,6 @@ static inline int fscrypt_fname_disk_to_usr(struct inode *inode, return -EOPNOTSUPP; } -static inline int fscrypt_fname_usr_to_disk(struct inode *inode, - const struct qstr *iname, - struct fscrypt_str *oname) -{ - return -EOPNOTSUPP; -} - static inline bool fscrypt_match_name(const struct fscrypt_name *fname, const u8 *de_name, u32 de_name_len) { @@ -160,10 +164,13 @@ static inline bool fscrypt_match_name(const struct fscrypt_name *fname, } /* bio.c */ -static inline void fscrypt_decrypt_bio_pages(struct fscrypt_ctx *ctx, - struct bio *bio) +static inline void fscrypt_decrypt_bio(struct bio *bio) +{ +} + +static inline void fscrypt_enqueue_decrypt_bio(struct fscrypt_ctx *ctx, + struct bio *bio) { - return; } static inline void fscrypt_pullback_bio_page(struct page **page, bool restore) @@ -207,4 +214,27 @@ static inline int __fscrypt_prepare_lookup(struct inode *dir, return -EOPNOTSUPP; } +static inline int __fscrypt_prepare_symlink(struct inode *dir, + unsigned int len, + unsigned int max_len, + struct fscrypt_str *disk_link) +{ + return -EOPNOTSUPP; +} + +static inline int __fscrypt_encrypt_symlink(struct inode *inode, + const char *target, + unsigned int len, + struct fscrypt_str *disk_link) +{ + return -EOPNOTSUPP; +} + +static inline void *fscrypt_get_symlink(struct inode *inode, + const void *caddr, + unsigned int max_size) +{ + return ERR_PTR(-EOPNOTSUPP); +} + #endif /* _LINUX_FSCRYPT_NOTSUPP_H */ diff --git a/include/linux/fscrypt_supp.h b/include/linux/fscrypt_supp.h index 2db5e9706f60..9d1857302b73 100644 --- a/include/linux/fscrypt_supp.h +++ b/include/linux/fscrypt_supp.h @@ -10,8 +10,55 @@ #ifndef _LINUX_FSCRYPT_SUPP_H #define _LINUX_FSCRYPT_SUPP_H +#include <linux/mm.h> +#include <linux/slab.h> + +/* + * fscrypt superblock flags + */ +#define FS_CFLG_OWN_PAGES (1U << 1) + +/* + * crypto operations for filesystems + */ +struct fscrypt_operations { + unsigned int flags; + const char *key_prefix; + int (*get_context)(struct inode *, void *, size_t); + int (*set_context)(struct inode *, const void *, size_t, void *); + bool (*dummy_context)(struct inode *); + bool (*empty_dir)(struct inode *); + unsigned (*max_namelen)(struct inode *); +}; + +struct fscrypt_ctx { + union { + struct { + struct page *bounce_page; /* Ciphertext page */ + struct page *control_page; /* Original page */ + } w; + struct { + struct bio *bio; + struct work_struct work; + } r; + struct list_head free_list; /* Free list */ + }; + u8 flags; /* Flags */ +}; + +static inline bool fscrypt_has_encryption_key(const struct inode *inode) +{ + return (inode->i_crypt_info != NULL); +} + +static inline bool fscrypt_dummy_context_enabled(struct inode *inode) +{ + return inode->i_sb->s_cop->dummy_context && + inode->i_sb->s_cop->dummy_context(inode); +} + /* crypto.c */ -extern struct kmem_cache *fscrypt_info_cachep; +extern void fscrypt_enqueue_decrypt_work(struct work_struct *); extern struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *, gfp_t); extern void fscrypt_release_ctx(struct fscrypt_ctx *); extern struct page *fscrypt_encrypt_page(const struct inode *, struct page *, @@ -19,6 +66,12 @@ extern struct page *fscrypt_encrypt_page(const struct inode *, struct page *, u64, gfp_t); extern int fscrypt_decrypt_page(const struct inode *, struct page *, unsigned int, unsigned int, u64); + +static inline struct page *fscrypt_control_page(struct page *page) +{ + return ((struct fscrypt_ctx *)page_private(page))->w.control_page; +} + extern void fscrypt_restore_control_page(struct page *); extern const struct dentry_operations fscrypt_d_ops; @@ -54,14 +107,11 @@ static inline void fscrypt_free_filename(struct fscrypt_name *fname) kfree(fname->crypto_buf.name); } -extern u32 fscrypt_fname_encrypted_size(const struct inode *, u32); extern int fscrypt_fname_alloc_buffer(const struct inode *, u32, struct fscrypt_str *); extern void fscrypt_fname_free_buffer(struct fscrypt_str *); extern int fscrypt_fname_disk_to_usr(struct inode *, u32, u32, const struct fscrypt_str *, struct fscrypt_str *); -extern int fscrypt_fname_usr_to_disk(struct inode *, const struct qstr *, - struct fscrypt_str *); #define FSCRYPT_FNAME_MAX_UNDIGESTED_SIZE 32 @@ -138,7 +188,9 @@ static inline bool fscrypt_match_name(const struct fscrypt_name *fname, } /* bio.c */ -extern void fscrypt_decrypt_bio_pages(struct fscrypt_ctx *, struct bio *); +extern void fscrypt_decrypt_bio(struct bio *); +extern void fscrypt_enqueue_decrypt_bio(struct fscrypt_ctx *ctx, + struct bio *bio); extern void fscrypt_pullback_bio_page(struct page **, bool); extern int fscrypt_zeroout_range(const struct inode *, pgoff_t, sector_t, unsigned int); @@ -152,5 +204,13 @@ extern int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *new_dentry, unsigned int flags); extern int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry); +extern int __fscrypt_prepare_symlink(struct inode *dir, unsigned int len, + unsigned int max_len, + struct fscrypt_str *disk_link); +extern int __fscrypt_encrypt_symlink(struct inode *inode, const char *target, + unsigned int len, + struct fscrypt_str *disk_link); +extern void *fscrypt_get_symlink(struct inode *inode, const void *caddr, + unsigned int max_size); #endif /* _LINUX_FSCRYPT_SUPP_H */ diff --git a/include/linux/habmm.h b/include/linux/habmm.h index 966c5ee91be4..842cd27fd372 100644 --- a/include/linux/habmm.h +++ b/include/linux/habmm.h @@ -214,6 +214,11 @@ int32_t habmm_socket_recvfrom(int32_t handle, void *dst_buff, */ #define HABMM_EXP_MEM_TYPE_DMA 0x00000001 +/* + * this flag is used for export from dma_buf fd or import to dma_buf fd + */ +#define HABMM_EXPIMP_FLAGS_FD 0x00010000 + #define HAB_MAX_EXPORT_SIZE 0x8000000 /* diff --git a/include/linux/hid.h b/include/linux/hid.h index 251a1d382e23..fd86687f8119 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -793,7 +793,7 @@ extern int hidinput_connect(struct hid_device *hid, unsigned int force); extern void hidinput_disconnect(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); -int hid_input_report(struct hid_device *, int type, u8 *, int, int); +int hid_input_report(struct hid_device *, int type, u8 *, u32, int); int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); struct hid_field *hidinput_get_led_field(struct hid_device *hid); unsigned int hidinput_count_leds(struct hid_device *hid); @@ -1098,13 +1098,13 @@ static inline void hid_hw_wait(struct hid_device *hdev) * * @report: the report we want to know the length */ -static inline int hid_report_len(struct hid_report *report) +static inline u32 hid_report_len(struct hid_report *report) { /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ return ((report->size - 1) >> 3) + 1 + (report->id > 0); } -int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, +int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, int interrupt); /* HID quirks API */ diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index fe052e234906..bb1018882199 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -465,6 +465,7 @@ struct mlx4_update_qp_params { u16 rate_val; }; +struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn); int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, enum mlx4_update_qp_attr attr, struct mlx4_update_qp_params *params); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index a91b67b18a73..5c93f4a89afa 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -635,8 +635,14 @@ enum { }; enum { - CQE_RSS_HTYPE_IP = 0x3 << 6, - CQE_RSS_HTYPE_L4 = 0x3 << 2, + CQE_RSS_HTYPE_IP = 0x3 << 2, + /* cqe->rss_hash_type[3:2] - IP destination selected for hash + * (00 = none, 01 = IPv4, 10 = IPv6, 11 = Reserved) + */ + CQE_RSS_HTYPE_L4 = 0x3 << 6, + /* cqe->rss_hash_type[7:6] - L4 destination selected for hash + * (00 = none, 01 = TCP. 10 = UDP, 11 = IPSEC.SPI + */ }; enum { diff --git a/include/linux/mm.h b/include/linux/mm.h index d2dcc8727bc8..34fcdede4604 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -241,10 +241,14 @@ extern pgprot_t protection_map[16]; * ->fault function. The vma's ->fault is responsible for returning a bitmask * of VM_FAULT_xxx flags that give details about how the fault was handled. * + * MM layer fills up gfp_mask for page allocations but fault handler might + * alter it if its implementation requires a different allocation context. + * * pgoff should be used in favour of virtual_address, if possible. */ struct vm_fault { unsigned int flags; /* FAULT_FLAG_xxx flags */ + gfp_t gfp_mask; /* gfp mask to be used for allocations */ pgoff_t pgoff; /* Logical page offset based on vma */ void __user *virtual_address; /* Faulting virtual address */ diff --git a/include/linux/qdsp6v2/audio-anc-dev-mgr.h b/include/linux/qdsp6v2/audio-anc-dev-mgr.h new file mode 100644 index 000000000000..dfa6752bc31b --- /dev/null +++ b/include/linux/qdsp6v2/audio-anc-dev-mgr.h @@ -0,0 +1,46 @@ +/* Copyright (c) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 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 _AUDIO_ANC_DEV_MGR_H_ +#define _AUDIO_ANC_DEV_MGR_H_ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/mfd/wcd9xxx/core.h> +#include <linux/bitops.h> +#include <linux/slab.h> +#include <linux/clk.h> +#include <linux/of_device.h> +#include <linux/clk/msm-clk.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/apr_audio-v2.h> +#include <sound/q6afe-v2.h> +#include <sound/msm-dai-q6-v2.h> +#include <linux/msm_audio_anc.h> + +int msm_anc_dev_init(void); +int msm_anc_dev_deinit(void); + +int msm_anc_dev_start(void); +int msm_anc_dev_stop(void); + +int msm_anc_dev_set_info(void *info_p, int32_t anc_cmd); + +int msm_anc_dev_create(struct platform_device *pdev); + +int msm_anc_dev_destroy(struct platform_device *pdev); + +#endif diff --git a/include/linux/qdsp6v2/sdsp_anc.h b/include/linux/qdsp6v2/sdsp_anc.h new file mode 100644 index 000000000000..3b236e827e3d --- /dev/null +++ b/include/linux/qdsp6v2/sdsp_anc.h @@ -0,0 +1,302 @@ +/* Copyright (c) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 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 __SDSP_ANC_H__ +#define __SDSP_ANC_H__ + +#include <sound/q6afe-v2.h> +#include <sound/apr_audio-v2.h> + + +#define AUD_MSVC_MODULE_AUDIO_DEV_RESOURCE_SHARE 0x0001028A +#define AUD_MSVC_PARAM_ID_PORT_SHARE_RESOURCE_CONFIG 0x00010297 +#define AUD_MSVC_API_VERSION_SHARE_RESOURCE_CONFIG 0x1 +#define AUD_MSVC_MODULE_AUDIO_DEV_ANC_REFS 0x00010254 +#define AUD_MSVC_PARAM_ID_DEV_ANC_REFS_CONFIG 0x00010286 +#define AUD_MSVC_API_VERSION_DEV_ANC_REFS_CONFIG 0x1 +#define AUD_MSVC_MODULE_AUDIO_DEV_ANC_ALGO 0x00010234 +#define AUD_MSVC_PARAM_ID_PORT_ANC_ALGO_RPM 0x00010235 +#define AUD_MSVC_API_VERSION_DEV_ANC_ALGO_RPM 0x1 + +struct aud_msvc_port_param_data_v2 { + /* ID of the module to be configured. + * Supported values: Valid module ID + */ + u32 module_id; + + /* ID of the parameter corresponding to the supported parameters + * for the module ID. + * Supported values: Valid parameter ID + */ + u32 param_id; + + /* Actual size of the data for the + * module_id/param_id pair. The size is a + * multiple of four bytes. + * Supported values: > 0 + */ + u16 param_size; + + /* This field must be set to zero. + */ + u16 reserved; +} __packed; + + +/* Payload of the #AFE_PORT_CMD_SET_PARAM_V2 command's + * configuration/calibration settings for the AFE port. + */ +struct aud_msvc_port_cmd_set_param_v2 { + /* Port interface and direction (Rx or Tx) to start. + */ + u16 port_id; + + /* Actual size of the payload in bytes. + * This is used for parsing the parameter payload. + * Supported values: > 0 + */ + u16 payload_size; + + /* LSW of 64 bit Payload address. + * Address should be 32-byte, + * 4kbyte aligned and must be contiguous memory. + */ + u32 payload_address_lsw; + + /* MSW of 64 bit Payload address. + * In case of 32-bit shared memory address, + * this field must be set to zero. + * In case of 36-bit shared memory address, + * bit-4 to bit-31 must be set to zero. + * Address should be 32-byte, 4kbyte aligned + * and must be contiguous memory. + */ + u32 payload_address_msw; + + /* Memory map handle returned by + * AFE_SERVICE_CMD_SHARED_MEM_MAP_REGIONS commands. + * Supported Values: + * - NULL -- Message. The parameter data is in-band. + * - Non-NULL -- The parameter data is Out-band.Pointer to + * the physical address + * in shared memory of the payload data. + * An optional field is available if parameter + * data is in-band: + * aud_msvc_param_data_v2 param_data[...]. + * For detailed payload content, see the + * aud_msvc_port_param_data_v2 structure. + */ + u32 mem_map_handle; + +} __packed; + +/* Payload of the #AFE_PORT_CMD_GET_PARAM_V2 command, + * which queries for one post/preprocessing parameter of a + * stream. + */ +struct aud_msvc_port_cmd_get_param_v2 { + /* Port interface and direction (Rx or Tx) to start. */ + u16 port_id; + + /* Maximum data size of the parameter ID/module ID combination. + * This is a multiple of four bytes + * Supported values: > 0 + */ + u16 payload_size; + + /* LSW of 64 bit Payload address. Address should be 32-byte, + * 4kbyte aligned and must be contig memory. + */ + u32 payload_address_lsw; + + /* MSW of 64 bit Payload address. In case of 32-bit shared + * memory address, this field must be set to zero. In case of 36-bit + * shared memory address, bit-4 to bit-31 must be set to zero. + * Address should be 32-byte, 4kbyte aligned and must be contiguous + * memory. + */ + u32 payload_address_msw; + + /* Memory map handle returned by + * AFE_SERVICE_CMD_SHARED_MEM_MAP_REGIONS commands. + * Supported Values: - NULL -- Message. The parameter data is + * in-band. - Non-NULL -- The parameter data is Out-band.Pointer to + * - the physical address in shared memory of the payload data. + * For detailed payload content, see the aud_msvc_port_param_data_v2 + * structure + */ + u32 mem_map_handle; + + /* ID of the module to be queried. + * Supported values: Valid module ID + */ + u32 module_id; + + /* ID of the parameter to be queried. + * Supported values: Valid parameter ID + */ + u32 param_id; + +} __packed; + +struct aud_audioif_config_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + union afe_port_config port; +} __packed; + +struct aud_msvc_param_id_dev_share_resource_cfg { + u32 minor_version; + u16 rddma_idx; + u16 wrdma_idx; + u32 lpm_start_addr; + u32 lpm_length; +} __packed; + + +struct aud_msvc_param_id_dev_anc_algo_rpm { + u32 minor_version; + u32 rpm; +} __packed; + + +struct aud_msvc_param_id_dev_anc_refs_cfg { + u32 minor_version; + u16 port_id; + u16 num_channel; + u32 sample_rate; + u32 bit_width; +} __packed; + + +struct anc_share_resource_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_share_resource_cfg resource; +} __packed; + + +struct anc_config_ref_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_refs_cfg refs; +} __packed; + + + +struct anc_set_rpm_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_algo_rpm set_rpm; +} __packed; + +struct anc_get_rpm_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_get_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_algo_rpm get_rpm; +} __packed; + +struct anc_get_rpm_resp { + uint32_t status; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_algo_rpm res_rpm; +} __packed; + +#define AUD_MSVC_PARAM_ID_PORT_ANC_ALGO_BYPASS_MODE 0x0001029B + +#define AUD_MSVC_API_VERSION_DEV_ANC_ALGO_BYPASS_MODE 0x1 + +#define AUD_MSVC_ANC_ALGO_BYPASS_MODE_NO 0x0 +#define AUD_MSVC_ANC_ALGO_BYPASS_MODE_REFS_TO_ANC_SPKR 0x1 +#define AUD_MSVC_ANC_ALGO_BYPASS_MODE_ANC_MIC_TO_ANC_SPKR 0x2 +#define AUD_MSVC_ANC_ALGO_BYPASS_MODE_REFS_MIXED_ANC_MIC_TO_ANC_SPKR 0x3 + +struct aud_msvc_param_id_dev_anc_algo_bypass_mode { + uint32_t minor_version; + uint32_t bypass_mode; +} __packed; + +struct anc_set_bypass_mode_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_algo_bypass_mode set_bypass_mode; +} __packed; + +#define AUD_MSVC_PARAM_ID_PORT_ANC_ALGO_MODULE_ID 0x0001023A + +struct aud_msvc_param_id_dev_anc_algo_module_id { + uint32_t minor_version; + uint32_t module_id; +} __packed; + +struct anc_set_algo_module_id_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_algo_module_id set_algo_module_id; +} __packed; + + +#define AUD_MSVC_PARAM_ID_PORT_ANC_MIC_SPKR_LAYOUT_INFO 0x0001029C + +#define AUD_MSVC_API_VERSION_DEV_ANC_MIC_SPKR_LAYOUT_INFO 0x1 + +#define AUD_MSVC_ANC_MAX_NUM_OF_MICS 16 +#define AUD_MSVC_ANC_MAX_NUM_OF_SPKRS 16 + +struct aud_msvc_param_id_dev_anc_mic_spkr_layout_info { + uint32_t minor_version; + uint16_t mic_layout_array[AUD_MSVC_ANC_MAX_NUM_OF_MICS]; + uint16_t spkr_layout_array[AUD_MSVC_ANC_MAX_NUM_OF_SPKRS]; + uint16_t num_anc_mic; + uint16_t num_anc_spkr; + uint16_t num_add_mic_signal; + uint16_t num_add_spkr_signal; +} __packed; + +struct anc_set_mic_spkr_layout_info_command { + struct apr_hdr hdr; + struct aud_msvc_port_cmd_set_param_v2 param; + struct aud_msvc_port_param_data_v2 pdata; + struct aud_msvc_param_id_dev_anc_mic_spkr_layout_info + set_mic_spkr_layout; +} __packed; + +int anc_if_tdm_port_start(u16 port_id, struct afe_tdm_port_config *tdm_port); + +int anc_if_tdm_port_stop(u16 port_id); + +int anc_if_share_resource(u16 port_id, u16 rddma_idx, u16 wrdma_idx, + u32 lpm_start_addr, u32 lpm_length); + +int anc_if_config_ref(u16 port_id, u32 sample_rate, u32 bit_width, + u16 num_channel); + +int anc_if_set_rpm(u16 port_id, u32 rpm); + +int anc_if_set_bypass_mode(u16 port_id, u32 bypass_mode); + +int anc_if_set_algo_module_id(u16 port_id, u32 module_id); + +int anc_if_set_anc_mic_spkr_layout(u16 port_id, +struct aud_msvc_param_id_dev_anc_mic_spkr_layout_info *set_mic_spkr_layout_p); + +int anc_if_shared_mem_map(void); + +int anc_if_shared_mem_unmap(void); + +#endif /* __SDSP_ANC_H__ */ diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index ca7c8041b894..52d5609bff8e 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -85,6 +85,11 @@ extern unsigned int sysctl_sched_short_sleep; #endif /* CONFIG_SCHED_HMP */ +#if defined(CONFIG_PREEMPT_TRACER) || defined(CONFIG_IRQSOFF_TRACER) +extern unsigned int sysctl_preemptoff_tracing_threshold_ns; +extern unsigned int sysctl_irqsoff_tracing_threshold_ns; +#endif + enum sched_tunable_scaling { SCHED_TUNABLESCALING_NONE, SCHED_TUNABLESCALING_LOG, diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b5421f6f155a..a6da214d0584 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -879,10 +879,10 @@ struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom); struct sk_buff *skb_copy_expand(const struct sk_buff *skb, int newheadroom, int newtailroom, gfp_t priority); -int skb_to_sgvec_nomark(struct sk_buff *skb, struct scatterlist *sg, - int offset, int len); -int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, - int len); +int __must_check skb_to_sgvec_nomark(struct sk_buff *skb, struct scatterlist *sg, + int offset, int len); +int __must_check skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, + int offset, int len); int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer); int skb_pad(struct sk_buff *skb, int pad); #define dev_kfree_skb(a) consume_skb(a) diff --git a/include/linux/tty.h b/include/linux/tty.h index a1042afff99a..d67ceb3f5958 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -342,6 +342,7 @@ struct tty_file_private { #define TTY_PTY_LOCK 16 /* pty private */ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ #define TTY_HUPPED 18 /* Post driver->hangup() */ +#define TTY_HUPPING 19 /* Hangup in progress */ #define TTY_LDISC_HALTED 22 /* Line discipline is halted */ #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty)) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 07f27b15e6fe..881c5d46a66c 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -996,9 +996,9 @@ enum rate_info_flags { * @RATE_INFO_BW_160: 160 MHz bandwidth */ enum rate_info_bw { + RATE_INFO_BW_20 = 0, RATE_INFO_BW_5, RATE_INFO_BW_10, - RATE_INFO_BW_20, RATE_INFO_BW_40, RATE_INFO_BW_80, RATE_INFO_BW_160, diff --git a/include/net/slhc_vj.h b/include/net/slhc_vj.h index 8716d5942b65..8fcf8908a694 100644 --- a/include/net/slhc_vj.h +++ b/include/net/slhc_vj.h @@ -127,6 +127,7 @@ typedef __u32 int32; */ struct cstate { byte_t cs_this; /* connection id number (xmit) */ + bool initialized; /* true if initialized */ struct cstate *next; /* next in ring (xmit) */ struct iphdr cs_ip; /* ip/tcp hdr from most recent packet */ struct tcphdr cs_tcp; diff --git a/include/net/x25.h b/include/net/x25.h index c383aa4edbf0..6d30a01d281d 100644 --- a/include/net/x25.h +++ b/include/net/x25.h @@ -298,10 +298,10 @@ void x25_check_rbuf(struct sock *); /* sysctl_net_x25.c */ #ifdef CONFIG_SYSCTL -void x25_register_sysctl(void); +int x25_register_sysctl(void); void x25_unregister_sysctl(void); #else -static inline void x25_register_sysctl(void) {}; +static inline int x25_register_sysctl(void) { return 0; }; static inline void x25_unregister_sysctl(void) {}; #endif /* CONFIG_SYSCTL */ diff --git a/include/sound/apr_audio-v2.h b/include/sound/apr_audio-v2.h index 0393c8869b8f..ee65bdae9971 100644 --- a/include/sound/apr_audio-v2.h +++ b/include/sound/apr_audio-v2.h @@ -3512,6 +3512,263 @@ struct afe_param_id_set_topology_cfg { u32 topology_id; } __packed; +/* + * This command is used by client to request the LPASS resources. + * Currently this command supports only LPAIF DMA resources. + * Allocated resources will be in control of remote client until + * they get released. + * + * If all the requested resources are available then response status in + * AFE_CMDRSP_REQUEST_LPASS_RESOURCES payload will + * be updated with ADSP_EOK, otherwise it will be ADSP_EFAILED. + * + * This command is variable payload size command, and size depends + * on the type of resource requested. + * + * For example, if client requests AFE_LPAIF_DMA_RESOURCE_ID + * resources, afe_cmd_request_lpass_resources structure will + * be followed with the afe_cmd_request_lpass_dma_resources + * structure. + * + * AFE_CMDRSP_REQUEST_LPASS_RESOURCES is the response for + * this command, which returns the allocated resources. + * + * @apr_hdr_fields + * Opcode -- AFE_CMD_REQUEST_LPASS_RESOURCES + * + * @return + * #AFE_CMDRSP_REQUEST_LPASS_RESOURCES + */ +#define AFE_CMD_REQUEST_LPASS_RESOURCES 0x00010109 + +/* Macro for requesting LPAIF DMA resources */ +#define AFE_LPAIF_DMA_RESOURCE_ID 0x00000001 + +struct afe_cmd_request_lpass_resources { + /* + * LPASS Resource ID + * @values: + * - AFE_LPAIF_DMA_RESOURCE_ID + */ + u32 resource_id; +} __packed; + +/* + * AFE_CMD_REQUEST_LPASS_RESOURCES uses this structure when + * client is requesting LPAIF DMA resources. + * + * Number of read DMA channels and write DMA channels varies from chipset to + * chipset. HLOS needs to make sure that when it requests LPASS DMA + * resources, it should not impact the concurrencies which + * are mandatory for a given chipset. + */ + +/* Macro for AFE LPAIF default DMA data type */ +#define AFE_LPAIF_DEFAULT_DMA_TYPE 0x0 + +struct afe_cmd_request_lpass_dma_resources { + /* + * LPASS DMA Type + * @values: + * - AFE_LPAIF_DEFAULT_DMA_TYPE + */ + u8 dma_type; + /* + * Number of read DMA channels required + * @values: >=0 + * - 0 indicates channels are not requested + */ + u8 num_read_dma_channels; + /* + * Number of write DMA channels required + * @values: >=0 + * - 0 indicates channels are not requested + */ + u8 num_write_dma_channels; + /* + * Reserved field for 4 byte alignment + * @values: 0 + */ + u8 reserved; +} __packed; + +struct afe_request_lpass_dma_resources_command { + struct apr_hdr hdr; + struct afe_cmd_request_lpass_resources resources; + struct afe_cmd_request_lpass_dma_resources dma_resources; +} __packed; + +/* + * This is the response for the command AFE_CMD_REQUEST_LPASS_RESOURCES. + * Payload of this command is variable. + * + * Resources allocated successfully or not, are determined by the "status" + * in the payload. If status is ADSP_EOK, then resources are + * allocated successfully and allocated resource information + * follows. + * + * For example, if the response resource id is AFE_LPAIF_DMA_RESOURCE_ID, + * afe_cmdrsp_request_lpass_dma_resources structure will + * follow after afe_cmdrsp_request_lpass_resources. + * + * If status is ADSP_EFAILED, this indicates requested resources + * are not allocated successfully. In this case the payload following + * this structure is invalid. + * @apr_hdr_fields + * Opcode -- AFE_CMDRSP_REQUEST_LPASS_RESOURCES +*/ +#define AFE_CMDRSP_REQUEST_LPASS_RESOURCES 0x0001010A + +struct afe_cmdrsp_request_lpass_resources { + /* + * ADSP_EOK if all requested resources are allocated. + * ADSP_EFAILED if resource allocation is failed. + */ + u32 status; + /* + * Returned LPASS DMA resource ID + * @values: + * - AFE_LPAIF_DMA_RESOURCE_ID + */ + u32 resource_id; +} __packed; + +/* + * This command will be sent as a payload for + * AFE_CMDRSP_REQUEST_LPASS_RESOURCES, when the LPAIF DMA resources + * were requested. Payload of this command is variable, which + * follows after the afe_cmdrsp_request_lpass_dma_resources structure. + * The size in bytes following this structure is sum of + * num_read_dma_channels and num_write_dma_channels. + * + * If the resource allocation is successful, then the payload contains + * the valid DMA channel indices. + * + * For example, if number of requested DMA read channels is 2, and they + * are successfully allocated, the variable payload contains + * valid DMA channel index values in first two bytes array. + * + * In the failure case this payload can be ignored, and all the values will be + * initialized with zeros. + * + * An example payload of the command response is below: + * <struct afe_cmdrsp_request_lpass_resources> + * <struct afe_cmdrsp_request_lpass_dma_resources> + * read DMA index value for each byte. + * write DMA index value for each byte. + * padded zeros, if sum of num_read_dma_channels and num_write_dma_channels + * are not multiples of 4. +*/ + +struct afe_cmdrsp_request_lpass_dma_resources { + /* + * LPASS DMA Type + * @values: + * - AFE_LPAIF_DEFAULT_DMA_TYPE + */ + u8 dma_type; + /* + * Returned number of read DMA channels allocated + * @values: >=0 + */ + u8 num_read_dma_channels; + /* + * Returned number of write DMA channels allocated + * @values: >=0 + */ + u8 num_write_dma_channels; + /* + * Reserved field for 4 byte alignment + * @values: 0 + */ + u8 reserved; +} __packed; + +/* + * This command is for releasing resources which are allocated as + * part of AFE_CMD_REQUEST_LPASS_RESOURCES. + * + * Payload of this command is variable, which follows + * after the afe_cmd_release_lpass_resources structure. + * + * If release resource is AFE_LPAIF_DMA_RESOURCE_ID + * afe_cmd_release_lpass_dma_resources structure will be + * followed after afe_cmd_release_lpass_resources. + * + * + * @apr_hdr_fields + * Opcode -- AFE_CMD_RELEASE_LPASS_RESOURCES + + * @return + * #APRv2 IBASIC RSP Result +*/ +#define AFE_CMD_RELEASE_LPASS_RESOURCES 0x0001010B + +struct afe_cmd_release_lpass_resources { + /* + * LPASS DMA resource ID + * @values: + * - AFE_LPAIF_DMA_RESOURCE_ID + */ + u32 resource_id; +} __packed; + +/* + * This payload to be appended as part of AFE_CMD_RELEASE_LPASS_RESOURCES + * when resource id AFE_LPAIF_DMA_RESOURCE_ID is used. + * + * Payload of this command is variable, which will be followed after the + * afe_cmd_release_lpass_dma_resources structure. + * The variable payload's size in bytes is sum of + * num_read_dma_channels and num_write_dma_channels. + * Variable payload data contains the valid DMA channel indices which are + * allocated as part of AFE_CMD_REQUEST_LPASS_RESOURCES. + * + * For example, if number of DMA read channels released are 2, + * the variable payload contains valid DMA channel + * index values in first two bytes of variable payload. + * Client needs to fill the same DMA channel indices were returned + * as part of AFE_CMD_RELEASE_LPASS_RESOURCES, otherwise + * ADSP will return the error. + * + * An example payload of the release command is below: + * <struct afe_cmd_release_lpass_resources> + * <struct afe_cmd_release_lpass_dma_resources> + * read DMA index value for each byte. + * write DMA index value for each byte. +*/ + +struct afe_cmd_release_lpass_dma_resources { + /* + * LPASS DMA Type + * @values: + * - AFE_LPAIF_DEFAULT_DMA_TYPE + */ + u8 dma_type; + /* + * Number of read DMA channels to be released + * @values: >=0 + * - 0 indicates channels are not released + */ + u8 num_read_dma_channels; + /* + * Number of write DMA channels to be released + * @values: >=0 + * - 0 indicates channels are not released + */ + u8 num_write_dma_channels; + /* + * Reserved field for 4 byte alignment + * @values: 0 + */ + u8 reserved; +} __packed; + +struct afe_release_lpass_dma_resources_command { + struct apr_hdr hdr; + struct afe_cmd_release_lpass_resources resources; + struct afe_cmd_release_lpass_dma_resources dma_resources; +} __packed; /* * Generic encoder module ID. diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h index 760c969d885d..12bbf8c81112 100644 --- a/include/sound/pcm_oss.h +++ b/include/sound/pcm_oss.h @@ -57,6 +57,7 @@ struct snd_pcm_oss_runtime { char *buffer; /* vmallocated period */ size_t buffer_used; /* used length from period buffer */ struct mutex params_lock; + atomic_t rw_ref; /* concurrent read/write accesses */ #ifdef CONFIG_SND_PCM_OSS_PLUGINS struct snd_pcm_plugin *plugin_first; struct snd_pcm_plugin *plugin_last; diff --git a/include/sound/q6afe-v2.h b/include/sound/q6afe-v2.h index 922ebb69205d..cdbf97023f66 100644 --- a/include/sound/q6afe-v2.h +++ b/include/sound/q6afe-v2.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -42,6 +42,9 @@ #define AFE_CLK_VERSION_V1 1 #define AFE_CLK_VERSION_V2 2 +#define AFE_MAX_RDDMA 10 +#define AFE_MAX_WRDMA 10 + typedef int (*routing_cb)(int port); enum { @@ -450,4 +453,9 @@ void afe_set_routing_callback(routing_cb); int afe_get_av_dev_drift(struct afe_param_id_dev_timing_stats *timing_stats, u16 port); int afe_get_svc_version(uint32_t service_id); +int afe_request_dma_resources(uint8_t dma_type, uint8_t num_read_dma_channels, + uint8_t num_write_dma_channels); +int afe_get_dma_idx(bool **ret_rddma_idx, + bool **ret_wrdma_idx); +int afe_release_all_dma_resources(void); #endif /* __Q6AFE_V2_H__ */ diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index 3b91ad5d5115..2dd096eea935 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -78,6 +78,7 @@ struct snd_rawmidi_runtime { size_t xruns; /* over/underruns counter */ /* misc */ spinlock_t lock; + struct mutex realloc_mutex; wait_queue_head_t sleep; /* event handler (new bytes, input only) */ void (*event)(struct snd_rawmidi_substream *substream); diff --git a/include/trace/events/preemptirq.h b/include/trace/events/preemptirq.h index f5024c560d8f..3c5118011a2c 100644 --- a/include/trace/events/preemptirq.h +++ b/include/trace/events/preemptirq.h @@ -52,19 +52,50 @@ DEFINE_EVENT(preemptirq_template, preempt_enable, TP_ARGS(ip, parent_ip)); #endif +TRACE_EVENT(irqs_disable, + + TP_PROTO(u64 delta, unsigned long caddr0, unsigned long caddr1, + unsigned long caddr2, unsigned long caddr3), + + TP_ARGS(delta, caddr0, caddr1, caddr2, caddr3), + + TP_STRUCT__entry( + __field(u64, delta) + __field(void*, caddr0) + __field(void*, caddr1) + __field(void*, caddr2) + __field(void*, caddr3) + ), + + TP_fast_assign( + __entry->delta = delta; + __entry->caddr0 = (void *)caddr0; + __entry->caddr1 = (void *)caddr1; + __entry->caddr2 = (void *)caddr2; + __entry->caddr3 = (void *)caddr3; + ), + + TP_printk("delta=%llu(ns) Callers:(%pf<-%pf<-%pf<-%pf)", __entry->delta, + __entry->caddr0, __entry->caddr1, + __entry->caddr2, __entry->caddr3) +); + #endif /* _TRACE_PREEMPTIRQ_H */ #include <trace/define_trace.h> -#else /* !CONFIG_PREEMPTIRQ_EVENTS */ +#endif /* !CONFIG_PREEMPTIRQ_EVENTS */ +#if !defined(CONFIG_PREEMPTIRQ_EVENTS) || defined(CONFIG_PROVE_LOCKING) #define trace_irq_enable(...) #define trace_irq_disable(...) -#define trace_preempt_enable(...) -#define trace_preempt_disable(...) #define trace_irq_enable_rcuidle(...) #define trace_irq_disable_rcuidle(...) +#endif + +#if !defined(CONFIG_PREEMPTIRQ_EVENTS) || !defined(CONFIG_DEBUG_PREEMPT) +#define trace_preempt_enable(...) +#define trace_preempt_disable(...) #define trace_preempt_enable_rcuidle(...) #define trace_preempt_disable_rcuidle(...) - #endif diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index cc0ebe6867a5..8fd96aebfdee 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -1436,6 +1436,38 @@ TRACE_EVENT(sched_isolate, __entry->time, __entry->isolate) ); +TRACE_EVENT(sched_preempt_disable, + + TP_PROTO(u64 delta, bool irqs_disabled, + unsigned long caddr0, unsigned long caddr1, + unsigned long caddr2, unsigned long caddr3), + + TP_ARGS(delta, irqs_disabled, caddr0, caddr1, caddr2, caddr3), + + TP_STRUCT__entry( + __field(u64, delta) + __field(bool, irqs_disabled) + __field(void*, caddr0) + __field(void*, caddr1) + __field(void*, caddr2) + __field(void*, caddr3) + ), + + TP_fast_assign( + __entry->delta = delta; + __entry->irqs_disabled = irqs_disabled; + __entry->caddr0 = (void *)caddr0; + __entry->caddr1 = (void *)caddr1; + __entry->caddr2 = (void *)caddr2; + __entry->caddr3 = (void *)caddr3; + ), + + TP_printk("delta=%llu(ns) irqs_d=%d Callers:(%pf<-%pf<-%pf<-%pf)", + __entry->delta, __entry->irqs_disabled, + __entry->caddr0, __entry->caddr1, + __entry->caddr2, __entry->caddr3) +); + TRACE_EVENT(sched_contrib_scale_f, TP_PROTO(int cpu, unsigned long freq_scale_factor, diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 2604d3f387ba..c06237170542 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -296,6 +296,7 @@ header-y += msm_audio_amrnb.h header-y += msm_audio_amrwb.h header-y += msm_audio_amrwbplus.h header-y += msm_audio_calibration.h +header-y += msm_audio_anc.h header-y += msm_audio_mvs.h header-y += msm_audio_qcp.h header-y += msm_audio_sbc.h diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h index beed138bd359..f85ed3a5ef4d 100644 --- a/include/uapi/linux/fcntl.h +++ b/include/uapi/linux/fcntl.h @@ -43,6 +43,27 @@ /* (1U << 31) is reserved for signed error codes */ /* + * Set/Get write life time hints. {GET,SET}_RW_HINT operate on the + * underlying inode, while {GET,SET}_FILE_RW_HINT operate only on + * the specific file. + */ +#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11) +#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12) +#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13) +#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14) + +/* + * Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be + * used to clear any hints previously set. + */ +#define RWF_WRITE_LIFE_NOT_SET 0 +#define RWH_WRITE_LIFE_NONE 1 +#define RWH_WRITE_LIFE_SHORT 2 +#define RWH_WRITE_LIFE_MEDIUM 3 +#define RWH_WRITE_LIFE_LONG 4 +#define RWH_WRITE_LIFE_EXTREME 5 + +/* * Types of directory notifications that may be requested. */ #define DN_ACCESS 0x00000001 /* File accessed */ diff --git a/include/uapi/linux/msm_audio_anc.h b/include/uapi/linux/msm_audio_anc.h new file mode 100644 index 000000000000..028d381bc1a6 --- /dev/null +++ b/include/uapi/linux/msm_audio_anc.h @@ -0,0 +1,53 @@ +#ifndef _UAPI_MSM_AUDIO_ANC_H +#define _UAPI_MSM_AUDIO_ANC_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +#define ANC_IOCTL_MAGIC 'a' + +#define AUDIO_ANC_SET_PARAM _IOWR(ANC_IOCTL_MAGIC, \ + 300, struct audio_anc_packet *) +#define AUDIO_ANC_GET_PARAM _IOWR(ANC_IOCTL_MAGIC, \ + 301, struct audio_anc_packet *) + +#define ANC_CMD_START 0 +#define ANC_CMD_STOP 1 +#define ANC_CMD_RPM 2 +#define ANC_CMD_BYPASS_MODE 3 +#define ANC_CMD_ALGO_MODULE 4 + +/* room for ANC_CMD define extend */ +#define ANC_CMD_MAX 0xFF + +struct audio_anc_header { + int32_t data_size; + int32_t version; + int32_t anc_cmd; + int32_t anc_cmd_size; +}; + +struct audio_anc_rpm_info { + int32_t rpm; +}; + +struct audio_anc_bypass_mode { + int32_t mode; +}; + +struct audio_anc_algo_module_info { + int32_t module_id; +}; + +union audio_anc_data { + struct audio_anc_rpm_info rpm_info; + struct audio_anc_bypass_mode bypass_mode_info; + struct audio_anc_algo_module_info algo_info; +}; + +struct audio_anc_packet { + struct audio_anc_header hdr; + union audio_anc_data anc_data; +}; + +#endif /* _UAPI_MSM_AUDIO_ANC_H */ |