diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 0c170a3f0d8b..e09fc8290c2f 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -491,6 +491,12 @@ struct vmbus_channel_rescind_offer { u32 child_relid; } __packed; +static inline u32 +hv_ringbuffer_pending_size(const struct hv_ring_buffer_info *rbi) +{ + return rbi->ring_buffer->pending_send_sz; +} + /* * Request Offer -- no parameters, SynIC message contains the partition ID * Set Snoop -- no parameters, SynIC message contains the partition ID @@ -524,10 +530,10 @@ struct vmbus_channel_open_channel { u32 target_vp; /* - * The upstream ring buffer begins at offset zero in the memory - * described by RingBufferGpadlHandle. The downstream ring buffer - * follows it at this offset (in pages). - */ + * The upstream ring buffer begins at offset zero in the memory + * described by RingBufferGpadlHandle. The downstream ring buffer + * follows it at this offset (in pages). + */ u32 downstream_ringbuffer_pageoffset; /* User-specific data to be passed along to the server endpoint. */ @@ -1013,7 +1019,7 @@ extern int vmbus_open(struct vmbus_channel *channel, u32 recv_ringbuffersize, void *userdata, u32 userdatalen, - void(*onchannel_callback)(void *context), + void (*onchannel_callback)(void *context), void *context); extern void vmbus_close(struct vmbus_channel *channel); @@ -1155,6 +1161,17 @@ static inline void *hv_get_drvdata(struct hv_device *dev) return dev_get_drvdata(&dev->device); } +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; +}; + +void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info, + struct hv_ring_buffer_debug_info *debug_info); + /* Vmbus interface */ #define vmbus_driver_register(driver) \ __vmbus_driver_register(driver, THIS_MODULE, KBUILD_MODNAME) @@ -1428,7 +1445,7 @@ struct hyperv_service_callback { char *log_msg; uuid_le data; struct vmbus_channel *channel; - void (*callback) (void *context); + void (*callback)(void *context); }; #define MAX_SRV_VER 0x7ffffff @@ -1504,8 +1521,6 @@ static inline void hv_signal_on_read(struct vmbus_channel *channel) cached_write_sz = hv_get_cached_bytes_to_write(rbi); if (cached_write_sz < pending_sz) vmbus_setevent(channel); - - return; } /* |