From 4827ee1dca5691c9fc568883170a568db94f9b38 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sat, 4 Mar 2017 18:27:18 -0700 Subject: vmbus: expose debug info for drivers Allow driver to get debug information about state of the ring. Signed-off-by: Stephen Hemminger Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/hyperv_vmbus.h | 11 ----------- drivers/hv/ring_buffer.c | 1 + 2 files changed, 1 insertion(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index a69b52de8d56..6113e915c50e 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -248,14 +248,6 @@ struct hv_context { extern struct hv_context hv_context; -struct hv_ring_buffer_debug_info { - u32 current_interrupt_mask; - u32 current_read_index; - u32 current_write_index; - u32 bytes_avail_toread; - u32 bytes_avail_towrite; -}; - /* Hv Interface */ extern int hv_init(void); @@ -289,9 +281,6 @@ int hv_ringbuffer_read(struct vmbus_channel *channel, void *buffer, u32 buflen, u32 *buffer_actual_len, u64 *requestid, bool raw); -void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, - struct hv_ring_buffer_debug_info *debug_info); - /* * Maximum channels is determined by the size of the interrupt page * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 8a249740b4b4..cfacca566e3f 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -206,6 +206,7 @@ void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, ring_info->ring_buffer->interrupt_mask; } } +EXPORT_SYMBOL_GPL(hv_ringbuffer_get_debuginfo); /* Initialize the ring buffer. */ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, -- cgit v1.2.3