From: Keith Mange <keith.ma...@microsoft.com>
Add support for Windows 10.
Signed-off-by: Keith Mange <keith.ma...@microsoft.com>
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
---
V2: Fixed up the author's name.
drivers/hv/connection.c | 8 +++++---
include/linux/hyperv.h | 4 +++-
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index acd50e9..4fc2e88 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -58,6 +58,9 @@ static __u32 vmbus_get_next_version(__u32 current_version)
case (VERSION_WIN8_1):
return VERSION_WIN8;
+ case (VERSION_WIN10):
+ return VERSION_WIN8_1;
+
case (VERSION_WS2008):
default:
return VERSION_INVAL;
@@ -80,7 +83,7 @@ static int vmbus_negotiate_version(struct
vmbus_channel_msginfo *msginfo,
msg->interrupt_page = virt_to_phys(vmbus_connection.int_page);
msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]);
msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]);
- if (version == VERSION_WIN8_1) {
+ if (version >= VERSION_WIN8_1) {
msg->target_vcpu = hv_context.vp_index[get_cpu()];
put_cpu();
}
@@ -376,8 +379,7 @@ void vmbus_on_event(unsigned long data)
int cpu = smp_processor_id();
union hv_synic_event_flags *event;
- if ((vmbus_proto_version == VERSION_WS2008) ||
- (vmbus_proto_version == VERSION_WIN7)) {
+ if (vmbus_proto_version < VERSION_WIN8) {
maxdword = MAX_NUM_CHANNELS_SUPPORTED >> 5;
recv_int_page = vmbus_connection.recv_int_page;
} else {
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 3932a99..4317cd1 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -160,16 +160,18 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info
*rbi,
* 1 . 1 (Windows 7)
* 2 . 4 (Windows 8)
* 3 . 0 (Windows 8 R2)
+ * 4 . 0 (Windows 10)
*/
#define VERSION_WS2008 ((0 << 16) | (13))
#define VERSION_WIN7 ((1 << 16) | (1))
#define VERSION_WIN8 ((2 << 16) | (4))
#define VERSION_WIN8_1 ((3 << 16) | (0))
+#define VERSION_WIN10 ((4 << 16) | (0))
#define VERSION_INVAL -1
-#define VERSION_CURRENT VERSION_WIN8_1
+#define VERSION_CURRENT VERSION_WIN10
/* Make maximum size of pipe payload of 16K */
#define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384)
--
1.7.4.1
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