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authorK. Y. Srinivasan <kys@microsoft.com>2017-01-18 16:45:01 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-19 11:42:07 +0100
commit352c9624242d5836ad8a960826183011367871a4 (patch)
tree4c028e447b2f3f49a1d56ba19637899f95442a1d
parent3f646ed70ccd1c4e5c1263d2922247d28c8e08f0 (diff)
downloadlinux-352c9624242d5836ad8a960826183011367871a4.tar.gz
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>
-rw-r--r--arch/x86/include/asm/mshyperv.h43
-rw-r--r--drivers/hv/hyperv_vmbus.h43
2 files changed, 43 insertions, 43 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 188ddfdde2b9..15a0c275c82e 100644
--- 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+ * unpublished guidelines.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 a1ff03677e23..da57626786b7 100644
--- 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