145 hv_get_next_write_location(struct hv_ring_buffer_info *ring_info)  in hv_get_next_write_location()  argument
147 	u32 next = ring_info->ring_buffer->write_index;  in hv_get_next_write_location()
154 hv_set_next_write_location(struct hv_ring_buffer_info *ring_info,  in hv_set_next_write_location()  argument
157 	ring_info->ring_buffer->write_index = next_write_location;  in hv_set_next_write_location()
162 hv_get_next_read_location(struct hv_ring_buffer_info *ring_info)  in hv_get_next_read_location()  argument
164 	u32 next = ring_info->ring_buffer->read_index;  in hv_get_next_read_location()
174 hv_get_next_readlocation_withoffset(struct hv_ring_buffer_info *ring_info,  in hv_get_next_readlocation_withoffset()  argument
177 	u32 next = ring_info->ring_buffer->read_index;  in hv_get_next_readlocation_withoffset()
180 	next %= ring_info->ring_datasize;  in hv_get_next_readlocation_withoffset()
187 hv_set_next_read_location(struct hv_ring_buffer_info *ring_info,  in hv_set_next_read_location()  argument
190 	ring_info->ring_buffer->read_index = next_read_location;  in hv_set_next_read_location()
196 hv_get_ring_buffer(struct hv_ring_buffer_info *ring_info)  in hv_get_ring_buffer()  argument
198 	return (void *)ring_info->ring_buffer->buffer;  in hv_get_ring_buffer()
204 hv_get_ring_buffersize(struct hv_ring_buffer_info *ring_info)  in hv_get_ring_buffersize()  argument
206 	return ring_info->ring_datasize;  in hv_get_ring_buffersize()
211 hv_get_ring_bufferindices(struct hv_ring_buffer_info *ring_info)  in hv_get_ring_bufferindices()  argument
213 	return (u64)ring_info->ring_buffer->write_index << 32;  in hv_get_ring_bufferindices()
221 	struct hv_ring_buffer_info	*ring_info,  in hv_copyfrom_ringbuffer()  argument
226 	void *ring_buffer = hv_get_ring_buffer(ring_info);  in hv_copyfrom_ringbuffer()
227 	u32 ring_buffer_size = hv_get_ring_buffersize(ring_info);  in hv_copyfrom_ringbuffer()
254 	struct hv_ring_buffer_info	*ring_info,  in hv_copyto_ringbuffer()  argument
259 	void *ring_buffer = hv_get_ring_buffer(ring_info);  in hv_copyto_ringbuffer()
260 	u32 ring_buffer_size = hv_get_ring_buffersize(ring_info);  in hv_copyto_ringbuffer()
278 void hv_ringbuffer_get_debuginfo(struct hv_ring_buffer_info *ring_info,  in hv_ringbuffer_get_debuginfo()  argument
284 	if (ring_info->ring_buffer) {  in hv_ringbuffer_get_debuginfo()
285 		hv_get_ringbuffer_availbytes(ring_info,  in hv_ringbuffer_get_debuginfo()
292 			ring_info->ring_buffer->read_index;  in hv_ringbuffer_get_debuginfo()
294 			ring_info->ring_buffer->write_index;  in hv_ringbuffer_get_debuginfo()
296 			ring_info->ring_buffer->interrupt_mask;  in hv_ringbuffer_get_debuginfo()
301 int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,  in hv_ringbuffer_init()  argument
307 	memset(ring_info, 0, sizeof(struct hv_ring_buffer_info));  in hv_ringbuffer_init()
309 	ring_info->ring_buffer = (struct hv_ring_buffer *)buffer;  in hv_ringbuffer_init()
310 	ring_info->ring_buffer->read_index =  in hv_ringbuffer_init()
311 		ring_info->ring_buffer->write_index = 0;  in hv_ringbuffer_init()
314 	ring_info->ring_buffer->feature_bits.value = 1;  in hv_ringbuffer_init()
316 	ring_info->ring_size = buflen;  in hv_ringbuffer_init()
317 	ring_info->ring_datasize = buflen - sizeof(struct hv_ring_buffer);  in hv_ringbuffer_init()
319 	spin_lock_init(&ring_info->ring_lock);  in hv_ringbuffer_init()
325 void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info)  in hv_ringbuffer_cleanup()  argument