[PATCH v1 12/16] xen/domain: introduce domain-emu.h

[dmkhn@xxxxxxxxx]

From: Denis Mukhin <dmukhin@xxxxxxxx> 

Define an architecture-independent location for describing domain emulation
flags.

Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
Original code: 
https://lore.kernel.org/xen-devel/20250103-vuart-ns8250-v3-v1-6-c5d36b31d66c@xxxxxxxx/
---
 xen/arch/x86/include/asm/domain.h | 23 ++++++++++++-----------
 xen/include/xen/domain-emu.h      | 30 ++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 11 deletions(-)
 create mode 100644 xen/include/xen/domain-emu.h

diff --git a/xen/arch/x86/include/asm/domain.h 
b/xen/arch/x86/include/asm/domain.h
index eafd5cfc903d..c6bc83b4abe0 100644
--- a/xen/arch/x86/include/asm/domain.h
+++ b/xen/arch/x86/include/asm/domain.h
@@ -3,6 +3,7 @@
 
 #include <xen/mm.h>
 #include <xen/radix-tree.h>
+#include <xen/domain-emu.h>
 #include <asm/hvm/vcpu.h>
 #include <asm/hvm/domain.h>
 #include <asm/e820.h>
@@ -458,16 +459,16 @@ struct arch_domain
 } __cacheline_aligned;
 
 #ifdef CONFIG_HVM
-#define X86_EMU_LAPIC    XEN_X86_EMU_LAPIC
-#define X86_EMU_HPET     XEN_X86_EMU_HPET
-#define X86_EMU_PM       XEN_X86_EMU_PM
-#define X86_EMU_RTC      XEN_X86_EMU_RTC
-#define X86_EMU_IOAPIC   XEN_X86_EMU_IOAPIC
-#define X86_EMU_PIC      XEN_X86_EMU_PIC
-#define X86_EMU_VGA      XEN_X86_EMU_VGA
-#define X86_EMU_IOMMU    XEN_X86_EMU_IOMMU
-#define X86_EMU_USE_PIRQ XEN_X86_EMU_USE_PIRQ
-#define X86_EMU_VPCI     XEN_X86_EMU_VPCI
+#define X86_EMU_LAPIC    DOMAIN_EMU_LAPIC
+#define X86_EMU_HPET     DOMAIN_EMU_HPET
+#define X86_EMU_PM       DOMAIN_EMU_PM
+#define X86_EMU_RTC      DOMAIN_EMU_RTC
+#define X86_EMU_IOAPIC   DOMAIN_EMU_IOAPIC
+#define X86_EMU_PIC      DOMAIN_EMU_PIC
+#define X86_EMU_VGA      DOMAIN_EMU_VGA
+#define X86_EMU_IOMMU    DOMAIN_EMU_IOMMU
+#define X86_EMU_USE_PIRQ DOMAIN_EMU_PIRQ
+#define X86_EMU_VPCI     DOMAIN_EMU_PCI
 #else
 #define X86_EMU_LAPIC    0
 #define X86_EMU_HPET     0
@@ -481,7 +482,7 @@ struct arch_domain
 #define X86_EMU_VPCI     0
 #endif
 
-#define X86_EMU_PIT     XEN_X86_EMU_PIT
+#define X86_EMU_PIT     DOMAIN_EMU_PIT
 
 /* This must match XEN_X86_EMU_ALL in xen.h */
 #define X86_EMU_ALL             (X86_EMU_LAPIC | X86_EMU_HPET |         \
diff --git a/xen/include/xen/domain-emu.h b/xen/include/xen/domain-emu.h
new file mode 100644
index 000000000000..410963ff480c
--- /dev/null
+++ b/xen/include/xen/domain-emu.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef XEN_DOMAIN_EMU_H
+#define XEN_DOMAIN_EMU_H
+
+/*
+ * Domain emulation flags.
+ */
+#define DOMAIN_EMU_LAPIC            (1U << 0)
+#define DOMAIN_EMU_HPET             (1U << 1)
+#define DOMAIN_EMU_PM               (1U << 2)
+#define DOMAIN_EMU_RTC              (1U << 3)
+#define DOMAIN_EMU_IOAPIC           (1U << 4)
+#define DOMAIN_EMU_PIC              (1U << 5)
+#define DOMAIN_EMU_VGA              (1U << 6)
+#define DOMAIN_EMU_IOMMU            (1U << 7)
+#define DOMAIN_EMU_PIT              (1U << 8)
+#define DOMAIN_EMU_PIRQ             (1U << 9)
+#define DOMAIN_EMU_PCI              (1U << 10)
+
+#endif /* XEN_DOMAIN_EMU_H */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.34.1