diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index ddc8713ce57b..b823311eac79 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -803,6 +803,12 @@ struct vmbus_device { #define VMBUS_DEFAULT_MAX_PKT_SIZE 4096 +struct vmbus_gpadl { + u32 gpadl_handle; + u32 size; + void *buffer; +}; + struct vmbus_channel { struct list_head listentry; @@ -822,7 +828,7 @@ struct vmbus_channel { bool rescind_ref; /* got rescind msg, got channel reference */ struct completion rescind_event; - u32 ringbuffer_gpadlhandle; + struct vmbus_gpadl ringbuffer_gpadlhandle; /* Allocated memory for ring buffer */ struct page *ringbuffer_page; @@ -1100,19 +1106,6 @@ void vmbus_set_sc_create_callback(struct vmbus_channel *primary_channel, void vmbus_set_chn_rescind_callback(struct vmbus_channel *channel, void (*chn_rescind_cb)(struct vmbus_channel *)); -/* - * Check if sub-channels have already been offerred. This API will be useful - * when the driver is unloaded after establishing sub-channels. In this case, - * when the driver is re-loaded, the driver would have to check if the - * subchannels have already been established before attempting to request - * the creation of sub-channels. - * This function returns TRUE to indicate that subchannels have already been - * created. - * This function should be invoked after setting the callback function for - * sub-channel creation. - */ -bool vmbus_are_subchannels_present(struct vmbus_channel *primary); - /* The format must be the same as struct vmdata_gpa_direct */ struct vmbus_channel_packet_page_buffer { u16 type; @@ -1192,10 +1185,10 @@ extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, extern int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, u32 size, - u32 *gpadl_handle); + struct vmbus_gpadl *gpadl); extern int vmbus_teardown_gpadl(struct vmbus_channel *channel, - u32 gpadl_handle); + struct vmbus_gpadl *gpadl); void vmbus_reset_channel_cb(struct vmbus_channel *channel); |