Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1548708

[PATCH 02/18] Drivers: hv: vmbus: Move the definition of generate_guest_id()

From kys@exchange.microsoft.com
Newsgroups linux.kernel
Subject [PATCH 02/18] Drivers: hv: vmbus: Move the definition of generate_guest_id()
Date 2016-12-30 20:50 +0100
Message-ID <sUblD-cG-7@gated-at.bofh.it> (permalink)
References <sUbbX-9d-15@gated-at.bofh.it> <sUbbX-9d-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: K. Y. Srinivasan <kys@microsoft.com>

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>
---
 arch/x86/include/asm/mshyperv.h |   43 +++++++++++++++++++++++++++++++++++++++
 drivers/hv/hyperv_vmbus.h       |   43 ---------------------------------------
 2 files changed, 43 insertions(+), 43 deletions(-)

diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 188ddfd..15a0c27 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -25,6 +25,49 @@ struct ms_hyperv_info {
 	};
 };
 
+/*
+ * 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+ * unpublished guidelines.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 a1ff036..da57626 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
-- 
1.7.4.1

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 00/18] Drivers: hv: vmbus: Restructure architecture specific code  kys@exchange.microsoft.com - 2016-12-30 20:40 +0100
  [PATCH 08/18] Drivers: hv: vmbus: Move the check for hypercall page setup kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
  [PATCH 05/18] Drivers: hv: vmbus: Consolidate all Hyper-V specific clocksource code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
  [PATCH 03/18] Drivers: hv vmbus: Move Hypercall page setup out of common code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
  [PATCH 02/18] Drivers: hv: vmbus: Move the definition of generate_guest_id() kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
  [PATCH 01/18] Drivers: hv: vmbus: Move the definition of hv_x64_msr_hypercall_contents kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 15/18] Drivers: hv: vmbus: Define APIs to manipulate the synthetic interrupt controller kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 04/18] Drivers: hv: vmbus: Move Hypercall invocation code out of common code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 09/18] Drivers: hv: vmbus: Move the code to signal end of message kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 18/18] Drivers: hv: vmbus: Cleanup hyperv_vmbus.h kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 14/18] Drivers: hv: vmbus: Define APIs to manipulate the event page kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 06/18] Drivers: hv: vmbus: Move the extracting of Hypervisor version information kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 10/18] Drivers: hv: vmbus: Restructure the clockevents code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 17/18] Drivers: hv: vmbus: Define an APIs to manage interrupt state kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 11/18] Drivers: hv: util: Use hv_get_current_tick() to get current tick kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
    [PATCH 12/18] Drivers: hv: vmbus: Get rid of an unsused variable kys@exchange.microsoft.com - 2016-12-30 21:00 +0100
    [PATCH 13/18] Drivers: hv: vmbus: Define APIs to manipulate the message page kys@exchange.microsoft.com - 2016-12-30 21:00 +0100
    [PATCH 07/18] Drivers: hv: vmbus: Move the crash notification function kys@exchange.microsoft.com - 2016-12-30 21:00 +0100

csiph-web