[Xen-changelog] [xen-unstable] x86: rename MSI option

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1216905485 -3600
# Node ID 89d05940cc1cac7c2d69a25a2b205222bc6e6234
# Parent  07a44e0d2c52b012c28f3638961ae14a99fb2244
x86: rename MSI option

Also rename the variable and move its declaration to a header.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
---
 xen/arch/x86/io_apic.c        |    8 ++++----
 xen/arch/x86/msi.c            |    2 --
 xen/arch/x86/physdev.c        |    9 ++++-----
 xen/include/asm-x86/io_apic.h |    2 ++
 4 files changed, 10 insertions(+), 11 deletions(-)

diff -r 07a44e0d2c52 -r 89d05940cc1c xen/arch/x86/io_apic.c
--- a/xen/arch/x86/io_apic.c    Thu Jul 24 14:17:14 2008 +0100
+++ b/xen/arch/x86/io_apic.c    Thu Jul 24 14:18:05 2008 +0100
@@ -45,12 +45,12 @@ int (*ioapic_renumber_irq)(int ioapic, i
 int (*ioapic_renumber_irq)(int ioapic, int irq);
 atomic_t irq_mis_count;
 
-int msi_irq_enable = 0;
-boolean_param("msi_irq_enable", msi_irq_enable);
+int msi_enable = 0;
+boolean_param("msi", msi_enable);
 
 int domain_irq_to_vector(struct domain *d, int irq)
 {
-    if ( !msi_irq_enable )
+    if ( !msi_enable )
         return irq_to_vector(irq);
     else
         return d->arch.pirq_vector[irq];
@@ -58,7 +58,7 @@ int domain_irq_to_vector(struct domain *
 
 int domain_vector_to_irq(struct domain *d, int vector)
 {
-    if ( !msi_irq_enable )
+    if ( !msi_enable )
         return vector_to_irq(vector);
     else
         return d->arch.vector_pirq[vector];
diff -r 07a44e0d2c52 -r 89d05940cc1c xen/arch/x86/msi.c
--- a/xen/arch/x86/msi.c        Thu Jul 24 14:17:14 2008 +0100
+++ b/xen/arch/x86/msi.c        Thu Jul 24 14:18:05 2008 +0100
@@ -27,8 +27,6 @@
 #include <public/physdev.h>
 #include <xen/iommu.h>
 
-extern int msi_irq_enable;
-
 /* bitmap indicate which fixed map is free */
 DEFINE_SPINLOCK(msix_fixmap_lock);
 DECLARE_BITMAP(msix_fixmap_pages, MAX_MSIX_PAGES);
diff -r 07a44e0d2c52 -r 89d05940cc1c xen/arch/x86/physdev.c
--- a/xen/arch/x86/physdev.c    Thu Jul 24 14:17:14 2008 +0100
+++ b/xen/arch/x86/physdev.c    Thu Jul 24 14:18:05 2008 +0100
@@ -184,15 +184,14 @@ static int unmap_domain_pirq(struct doma
     return ret;
 }
 
-extern int msi_irq_enable;
 static int physdev_map_pirq(struct physdev_map_pirq *map)
 {
     struct domain *d;
     int vector, pirq, ret = 0;
     unsigned long flags;
 
-    /* if msi_irq_enable is not enabled,map always success */
-    if ( !msi_irq_enable )
+    /* if msi_enable is not enabled, map always succeeds */
+    if ( !msi_enable )
         return 0;
 
     if ( !IS_PRIV(current->domain) )
@@ -304,7 +303,7 @@ static int physdev_unmap_pirq(struct phy
     unsigned long flags;
     int ret;
 
-    if ( !msi_irq_enable )
+    if ( !msi_enable )
         return 0;
 
     if ( !IS_PRIV(current->domain) )
@@ -455,7 +454,7 @@ ret_t do_physdev_op(int cmd, XEN_GUEST_H
 
         ret = 0;
 
-        if ( msi_irq_enable )
+        if ( msi_enable )
         {
             spin_lock_irqsave(&dom0->arch.irq_lock, flags);
             if ( irq != AUTO_ASSIGN )
diff -r 07a44e0d2c52 -r 89d05940cc1c xen/include/asm-x86/io_apic.h
--- a/xen/include/asm-x86/io_apic.h     Thu Jul 24 14:17:14 2008 +0100
+++ b/xen/include/asm-x86/io_apic.h     Thu Jul 24 14:18:05 2008 +0100
@@ -160,6 +160,8 @@ static inline void io_apic_modify(unsign
 /* 1 if "noapic" boot option passed */
 extern int skip_ioapic_setup;
 
+extern int msi_enable;
+
 /*
  * If we use the IO-APIC for IRQ routing, disable automatic
  * assignment of PCI IRQ's.

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