From 314672a2c2780212fb770bb02d2fffaa1019823f Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Wed, 9 Apr 2014 17:24:16 -0700 Subject: Tools: hv: Handle the case when the target file exists correctly Return the appropriate error code and handle the case when the target file exists correctly. This fixes a bug. Signed-off-by: K. Y. Srinivasan Cc: [3.14] Signed-off-by: Greg Kroah-Hartman --- include/uapi/linux/hyperv.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h index 9beb7c991638..78e4a86030dd 100644 --- a/include/uapi/linux/hyperv.h +++ b/include/uapi/linux/hyperv.h @@ -305,6 +305,7 @@ enum hv_kvp_exchg_pool { #define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F #define HV_INVALIDARG 0x80070057 #define HV_GUID_NOTFOUND 0x80041002 +#define HV_ERROR_ALREADY_EXISTS 0x80070050 #define ADDR_FAMILY_NONE 0x00 #define ADDR_FAMILY_IPV4 0x01 -- cgit v1.2.3 From 03367ef5ea811475187a0732aada068919e14d61 Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Thu, 3 Apr 2014 18:02:45 -0700 Subject: Drivers: hv: vmbus: Negotiate version 3.0 when running on ws2012r2 hosts Only ws2012r2 hosts support the ability to reconnect to the host on VMBUS. This functionality is needed by kexec in Linux. To use this functionality we need to negotiate version 3.0 of the VMBUS protocol. Signed-off-by: K. Y. Srinivasan Cc: [3.9+] Signed-off-by: Greg Kroah-Hartman --- drivers/hv/connection.c | 5 ++++- include/linux/hyperv.h | 4 +++- 2 files changed, 7 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index f2d7bf90c9fe..2e7801af466e 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -55,6 +55,9 @@ static __u32 vmbus_get_next_version(__u32 current_version) case (VERSION_WIN8): return VERSION_WIN7; + case (VERSION_WIN8_1): + return VERSION_WIN8; + case (VERSION_WS2008): default: return VERSION_INVAL; @@ -77,7 +80,7 @@ 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) + if (version == VERSION_WIN8_1) msg->target_vcpu = hv_context.vp_index[smp_processor_id()]; /* diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index ab7359fde987..2d7b4f139c32 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -147,15 +147,17 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi, * 0 . 13 (Windows Server 2008) * 1 . 1 (Windows 7) * 2 . 4 (Windows 8) + * 3 . 0 (Windows 8 R2) */ #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_INVAL -1 -#define VERSION_CURRENT VERSION_WIN8 +#define VERSION_CURRENT VERSION_WIN8_1 /* Make maximum size of pipe payload of 16K */ #define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384) -- cgit v1.2.3