ia64: Move the macro definitions related to MSI to one header file.

For kvm's MSI support, it needs these macros defined in ia64_msi.c, and
to avoid duplicate them, move them to one header file and share with
kvm.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 9 insertions, 46 deletions

diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 890339339035..368ee4e5266d 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -7,44 +7,7 @@
 #include <linux/msi.h>
 #include <linux/dmar.h>
 #include <asm/smp.h>
-
-/*
- * Shifts for APIC-based data
- */
-
-#define MSI_DATA_VECTOR_SHIFT           0
-#define     MSI_DATA_VECTOR(v)          (((u8)v) << MSI_DATA_VECTOR_SHIFT)
-#define MSI_DATA_VECTOR_MASK            0xffffff00
-
-#define MSI_DATA_DELIVERY_SHIFT         8
-#define     MSI_DATA_DELIVERY_FIXED     (0 << MSI_DATA_DELIVERY_SHIFT)
-#define     MSI_DATA_DELIVERY_LOWPRI    (1 << MSI_DATA_DELIVERY_SHIFT)
-
-#define MSI_DATA_LEVEL_SHIFT            14
-#define     MSI_DATA_LEVEL_DEASSERT     (0 << MSI_DATA_LEVEL_SHIFT)
-#define     MSI_DATA_LEVEL_ASSERT       (1 << MSI_DATA_LEVEL_SHIFT)
-
-#define MSI_DATA_TRIGGER_SHIFT          15
-#define     MSI_DATA_TRIGGER_EDGE       (0 << MSI_DATA_TRIGGER_SHIFT)
-#define     MSI_DATA_TRIGGER_LEVEL      (1 << MSI_DATA_TRIGGER_SHIFT)
-
-/*
- * Shift/mask fields for APIC-based bus address
- */
-
-#define MSI_TARGET_CPU_SHIFT            4
-#define MSI_ADDR_HEADER                 0xfee00000
-
-#define MSI_ADDR_DESTID_MASK            0xfff0000f
-#define     MSI_ADDR_DESTID_CPU(cpu)    ((cpu) << MSI_TARGET_CPU_SHIFT)
-
-#define MSI_ADDR_DESTMODE_SHIFT         2
-#define     MSI_ADDR_DESTMODE_PHYS      (0 << MSI_ADDR_DESTMODE_SHIFT)
-#define     MSI_ADDR_DESTMODE_LOGIC     (1 << MSI_ADDR_DESTMODE_SHIFT)
-
-#define MSI_ADDR_REDIRECTION_SHIFT      3
-#define     MSI_ADDR_REDIRECTION_CPU    (0 << MSI_ADDR_REDIRECTION_SHIFT)
-#define     MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
+#include <asm/msidef.h>
 
 static struct irq_chip  ia64_msi_chip;
 
@@ -65,8 +28,8 @@ static void ia64_set_msi_irq_affinity(unsigned int irq,
         read_msi_msg(irq, &msg);
 
         addr = msg.address_lo;
-        addr &= MSI_ADDR_DESTID_MASK;
-        addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+        addr &= MSI_ADDR_DEST_ID_MASK;
+        addr |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
         msg.address_lo = addr;
 
         data = msg.data;
@@ -98,9 +61,9 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
         msg.address_hi = 0;
         msg.address_lo =
                 MSI_ADDR_HEADER |
-                MSI_ADDR_DESTMODE_PHYS |
+                MSI_ADDR_DEST_MODE_PHYS |
                 MSI_ADDR_REDIRECTION_CPU |
-                MSI_ADDR_DESTID_CPU(dest_phys_id);
+                MSI_ADDR_DEST_ID_CPU(dest_phys_id);
 
         msg.data =
                 MSI_DATA_TRIGGER_EDGE |
@@ -183,8 +146,8 @@ static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 
         msg.data &= ~MSI_DATA_VECTOR_MASK;
         msg.data |= MSI_DATA_VECTOR(cfg->vector);
-        msg.address_lo &= ~MSI_ADDR_DESTID_MASK;
-        msg.address_lo |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+        msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
+        msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
 
         dmar_msi_write(irq, &msg);
         irq_desc[irq].affinity = *mask;
@@ -215,9 +178,9 @@ msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
         msg->address_hi = 0;
         msg->address_lo =
                 MSI_ADDR_HEADER |
-                MSI_ADDR_DESTMODE_PHYS |
+                MSI_ADDR_DEST_MODE_PHYS |
                 MSI_ADDR_REDIRECTION_CPU |
-                MSI_ADDR_DESTID_CPU(dest);
+                MSI_ADDR_DEST_ID_CPU(dest);
 
         msg->data =
                 MSI_DATA_TRIGGER_EDGE |