Drivers: hv: vmbus: Move the definition of generate_guest_id()

As part of the effort to separate out architecture specific code, move the
definition of generate_guest_id() to x86 specific header file.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 188ddfdde2b99a099f010bb232d439f7d7881884..15a0c275c82e36f45f92de8a01b82d5043fb8acf 100644 (file)
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -25,6 +25,49 @@ union hv_x64_msr_hypercall_contents {
        };
 };
 
+/*
+ * The guest OS needs to register the guest ID with the hypervisor.
+ * The guest ID is a 64 bit entity and the structure of this ID is
+ * specified in the Hyper-V specification:
+ *
+ * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
+ *
+ * While the current guideline does not specify how Linux guest ID(s)
+ * need to be generated, our plan is to publish the guidelines for
+ * Linux and other guest operating systems that currently are hosted
+ * on Hyper-V. The implementation here conforms to this yet
+ * unpublished guidelines.
+ *
+ *
+ * Bit(s)
+ * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
+ * 62:56 - Os Type; Linux is 0x100
+ * 55:48 - Distro specific identification
+ * 47:16 - Linux kernel version number
+ * 15:0  - Distro specific identification
+ *
+ *
+ */
+
+#define HV_LINUX_VENDOR_ID              0x8800
+
+/*
+ * Generate the guest ID based on the guideline described above.
+ */
+
+static inline  __u64 generate_guest_id(__u64 d_info1, __u64 kernel_version,
+                                      __u64 d_info2)
+{
+       __u64 guest_id = 0;
+
+       guest_id = (((__u64)HV_LINUX_VENDOR_ID) << 56);
+       guest_id |= (d_info1 << 48);
+       guest_id |= (kernel_version << 16);
+       guest_id |= d_info2;
+
+       return guest_id;
+}
+
 void hyperv_callback_vector(void);
 #ifdef CONFIG_TRACING
 #define trace_hyperv_callback_vector hyperv_callback_vector

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index a1ff03677e239ff5ac18fb6f1cb58fda19284159..da57626786b7cad5805b45c066437e6f990fae3e 100644 (file)
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -320,49 +320,6 @@ enum {
 
 #define HV_PRESENT_BIT                 0x80000000
 
-/*
- * The guest OS needs to register the guest ID with the hypervisor.
- * The guest ID is a 64 bit entity and the structure of this ID is
- * specified in the Hyper-V specification:
- *
- * http://msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
- *
- * While the current guideline does not specify how Linux guest ID(s)
- * need to be generated, our plan is to publish the guidelines for
- * Linux and other guest operating systems that currently are hosted
- * on Hyper-V. The implementation here conforms to this yet
- * unpublished guidelines.
- *
- *
- * Bit(s)
- * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
- * 62:56 - Os Type; Linux is 0x100
- * 55:48 - Distro specific identification
- * 47:16 - Linux kernel version number
- * 15:0  - Distro specific identification
- *
- *
- */
-
-#define HV_LINUX_VENDOR_ID             0x8100
-
-/*
- * Generate the guest ID based on the guideline described above.
- */
-
-static inline  __u64 generate_guest_id(__u8 d_info1, __u32 kernel_version,
-                                       __u16 d_info2)
-{
-       __u64 guest_id = 0;
-
-       guest_id = (((__u64)HV_LINUX_VENDOR_ID) << 48);
-       guest_id |= (((__u64)(d_info1)) << 48);
-       guest_id |= (((__u64)(kernel_version)) << 16);
-       guest_id |= ((__u64)(d_info2));
-
-       return guest_id;
-}
-
 
 #define HV_CPU_POWER_MANAGEMENT                (1 << 0)
 #define HV_RECOMMENDATIONS_MAX         4