dev/virtio/base.hh

201      * @param size Amount of data to read (in bytes).
203     void read(size_t offset, uint8_t *dst, size_t size) const;
216      * @param size Amount of data to read (in bytes).
218     void write(size_t offset, const uint8_t *src, size_t size);
220      * Retrieve the size of this descriptor.
222      * This method gets the size of a single descriptor. For incoming
231     size_t size() const { return desc.len; }
263      * @param size Size (in bytes).
265     void chainRead(size_t offset, uint8_t *dst, size_t size) const;
276      * @param size Size (in bytes).
278     void chainWrite(size_t offset, const uint8_t *src, size_t size);
280      * Retrieve the size of this descriptor chain.
282      * This method gets the size of a descriptor chain starting at
433      * Page size used by VirtIO.\ It's hard-coded to 4096 bytes in
444      * Instantiate a virtqueue with a fixed size. The size is
448      * @param size Size in descriptors/pages.
450     VirtQueue(PortProxy &proxy, uint16_t size);
455     /** Queue size in terms of number of descriptors */
482         VirtRing<T>(PortProxy &proxy, uint16_t size)
483         : header{0, 0}, ring(size), _proxy(proxy), _base(0) {}
512             T temp[ring.size()];
514                             temp, sizeof(T) * ring.size());
515             for (int i = 0; i < ring.size(); ++i)
523             T temp[ring.size()];
524             for (int i = 0; i < ring.size(); ++i)
527                              temp, sizeof(T) * ring.size());
576      * interface.\ The address needs to be multiplied by the page size
780      * size (fixed to 4096 bytes in the standard). For example, if the
795      * size (fixed to 4096 bytes in the standard). For example, if the
807      * Get the size (descriptors) of the currently active queue.