#ifndef _UVC_QUEUE_H_ #define _UVC_QUEUE_H_ #ifdef __KERNEL__ #include #include #include #include /* Maximum frame size in bytes, for sanity checking. */ #define UVC_MAX_FRAME_SIZE (16*1024*1024) /* Maximum number of video buffers. */ #define UVC_MAX_VIDEO_BUFFERS 32 /* ------------------------------------------------------------------------ * Structures. */ enum uvc_buffer_state { UVC_BUF_STATE_IDLE = 0, UVC_BUF_STATE_QUEUED = 1, UVC_BUF_STATE_ACTIVE = 2, UVC_BUF_STATE_DONE = 3, UVC_BUF_STATE_ERROR = 4, }; struct uvc_buffer { struct vb2_v4l2_buffer buf; struct list_head queue; enum uvc_buffer_state state; void *mem; unsigned int length; unsigned int bytesused; }; #define UVC_QUEUE_DISCONNECTED (1 << 0) #define UVC_QUEUE_DROP_INCOMPLETE (1 << 1) #define UVC_QUEUE_PAUSED (1 << 2) struct uvc_video_queue { struct vb2_queue queue; unsigned int flags; __u32 sequence; unsigned int buf_used; spinlock_t irqlock; /* Protects flags and irqqueue */ struct list_head irqqueue; }; static inline int uvc_queue_streaming(struct uvc_video_queue *queue) { return vb2_is_streaming(&queue->queue); } int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, struct mutex *lock); void uvcg_free_buffers(struct uvc_video_queue *queue); int uvcg_alloc_buffers(struct uvc_video_queue *queue, struct v4l2_requestbuffers *rb); int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf); int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf); int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf, int nonblocking); unsigned int uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait); int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma); #ifndef CONFIG_MMU unsigned long uvcg_queue_get_unmapped_area(struct uvc_video_queue *queue, unsigned long pgoff); #endif /* CONFIG_MMU */ void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect); int uvcg_queue_enable(struct uvc_video_queue *queue, int enable); struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf); struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue); #endif /* __KERNEL__ */ #endif /* _UVC_QUEUE_H_ */ og msg
path: root/drivers/usb/wusbcore/Kconfig
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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-01-17 13:46:29 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:33 +0800
commit11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /drivers/usb/wusbcore/Kconfig
parentd6040764adcb5cb6de1489422411d701c158bb69 (diff)
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/usb/wusbcore/Kconfig')